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Geography & Life Sciences: Chapter 446

Chapter 446 provides bibliographic information on scholary research in geography and in the life sciences.



Objectives and constraints of ruminant livestock production. World Review of Animal Production 14(1): 43-48, 6, 8

Objectives and criteria for planting stock production in Ontario. Ontario Ministry of Natural Resources Great Lakes Forest Research Centre, Plantation Establishment Symposium: 16

Objectives and development of wheat and barley breeding in the German Democratic Republic within the framework of socialist integration. Getreidewirtschaft 9(5/6): 115-116

Objectives and general principles of national youth service programs. Rural Africana (30): 13-22

Objectives and methods of national agricultural policy in West European countries. Ekonomicheskie Nauki (7): 80-86

Objectives and research methods in the rooting of apple cuttings. Combined Proceedings of the International Plant Propagators' Society, 1974 24: 308-313

Objectives and scope of a food and nutrition policy. Discussion Paper, Institute for Development Studies, University of Nairobi (210): 18

Objectives for the genetic improvement of beef cattle. Journal of the Australian Institute of Agricultural Science 41(3): 178-191

Objectives in breeding forage maize for improved nutritive value. Eucarpia: 8th International Congress of the maize sorghum section Paris Versailles 15-16-17 September 1975: 8me Congres international de la section mais sorgho Paris Versailles 15-16-17 Septembre 1975: 601-639

Objectives in design of refrigerated storage systems. Nordisk Mejeriindustri 5(3): 101-105

Objectives in pig breeding. Animal Production 23(3): 365-387

Objectives of breeding and seed production of sugar beet in Moldavian SSR. Intensifikatsiya proizvodstva sakharnoi svekly v Moldavii, Tezisy dokladov nauchno prozvodstvennoi konferentsii: 22-24

Objectives of the CAP. Revue du Droit Rural (59): 65-72

Objectives of tomato breeding. Gemuse 14(2): 48-51

Objectives, concepts and principles in grazing management. Tussock Grasslands and Mountain Lands Institute Review (32): 5-15

Objectives, motives, business style, and personal history - how they relate to managerial success. Southern Journal of Agricultural Economics 7(2): 111-116

Objects and characteristics of line breeding of dairy cattle under commercial conditions. Sbornik Nauchnykh Trudov, Vsesoyuznyi Nauchno issledovatel' skii Institut Razvedeniya i Genetiki Sel' skokhozyaistvennykh Zhivotnykh (21): 45-49

Objects of forest policy in the European Community. Bulletin de la Societe Royal Forestiere de Belgique 84(2): 150-154

Objects of forestry in former coppice-with-standards, in relation to the protection of nature and the environment. Allgemeine Forstzeitschrift 31(48): 1071-1073

Objects, weighting of objects and cost-benefit analysis in medium term planning in forestry. Allgemeine Forstzeitschrift 31(32): 675-678, 680-681

Oblachinska - a promising variety of sour cherry. Ovoshcharstvo 55(12): 31-33

Oblachinska, a promising sour cherry cultivar. Ovoshcharstvo 55(12): 31-33

Obligate pathogens of the milkweed vine, Morrenia odorata, as biological control agents. Proceedings of the IV International Symposium on Biological Control of Weeds: ; 241

Obligatory coupling between proton entry and the synthesis of adenosine 5'-triphosphate in Streptococcus lactis. Journal of Bacteriology 132(2): 564-575

Oblongine, a new quaternary alkaloid from Berberis oblonga. Khimiya Prirodnykh Soedinenii (1): 117-118

Obrium brunneum F. (Cerambycidae, Coleoptera) occurring on Abies alba Mill. in the Ojcow National Park. Polskie Pismo Entomologiczne 47(1): 27-30

Obscure points in the biology of Oxypleurus nodieri (Col. Cerambycidae Aseminae). Entomologiste 31(4/5): 149-153

Observation at Dakar, Senegal, of myiasis caused by Cordylobia anthropophaga in sheep. Revue d' Elevage et de Medecine Veterinaire des Pays Tropicaux 29(3): 217-219

Observation of a gradient in the differentiation of the larval tegument of two cyclophyllidean cestodes. Comptes Rendus Hebdomadaires des Seances de l' Academie des Sciences, Paris, D 283(4): 367-370

Observation of a mycoplasma on marigolds (Calendula officinalis) var. Ball's Lemon in the South-East of France. Annales de Phytopathologie 8(4): 477-480

Observation of a new virus disease in the Ivory Coast: groundnut eyespot disease. Oleagineux 33(4): 175-177

Observation of a virus associated with severe chlorosis of Michigan broad bean. Phytopathologische Zeitschrift 84(4): 343-351

Observation of flagellate protozoa in the sieve tubes of diseased oil palms. Comptes Rendus Hebdomadaires des Seances de l' Academie des Sciences, D 284(8): 643-645

Observation of natural nodulation in groundnut cultivars. Bragantia 35(1): xi-xiii

Observation of plant cell walls by scanning electron microscopy. Portugaliae Acta Biologica, A1976; 14: 275-294

Observation of race II of Hemileia vastatrix Berk. & Br. in Jinotepe, Nicaragua. Turrialba 27(1): 99-101

Observation of supplementary division in pollen grains of homozygous wheat (Triticum aestivum) obtained by anther culture in vitro. Comptes Rendus Hebdomadaires des Seances de l' Academie des Sciences, France, D 281(16): 1153-1156

Observation of the susceptibility of the more important Polish tobacco varieties to Lycopersicon virus 3 Smith in infective field conditions. Pamietnik Pulawski 60: 147-153

Observation of the susceptibility of tobacco varieties (Nicotiana tabacum L.) and of wild species of Nicotiana to a new race of Peronospora tabacina under field conditions. Pamietnik Pulawski 60: 155-175

Observation of tuber dormancy in twenty Polish potato varieties. Biuletyn Instytutu Ziemniaka (14): 147-164

Observation on Leishmania enriettii. Transactions of the Royal Society of Tropical Medicine and Hygiene 69(3): 365

Observation on biology of Stethorus gilvifrons Muls., a predator of Tetranychus atlanticus McG. Yearbook of Plant Protection Research, Iraq Ministry of Agriculture and Agrarian Reform1976 recd 1978; 1: Ar 47-50; en p. 9

Observation on bud break and elongation growth in the lowland rainforest and the Southern Guinea savanna in Nigeria. Nigerian Journal of Forestry 3(2): 64-73

Observation on chemotherapy in cows chronically infected with Coxiella burnetii (Q fever). Folia Veterinaria Latina 7(1): 64-70

Observation on college girls' behaviour on taking lunch. Difference between the obese girls and the thin girls. Japanese Journal of Nutrition 35(3): 153-157

Observation on growth and dry matter accumulation in cocoa seedlings as influenced by bean size. Acta Horticulturae (53): 279-285

Observation on penetration of a feeding mosquito by the mouth parts of another mosquito. Mosquito News 37(2): 302

Observation on protein digestion in the digestive tract of dairy cows. 1. Distribution of amino acids in rumen microbes and digesta. Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde 35(6): 337-346

Observation on rupture formation of cell walls at the cellular level in the wood cutting (0-90) process (3). Effects of setting condition of nosebar upon characteristics of cutting surface. Mokuzai Kogyo Wood Industry 30(12): 10-14

Observation on the behaviour of a Glossina swynnertoni Aust. population after an insecticide treatment. International Scientific Council for Trypanosomiasis Research and Control: Organization of African Unity: International Scientific Council for Trypanosomiasis Research and Control Fourteenth Meeting, Dakar, Senegal, 1975: 282-284

Observation on the condition of red clover seeds during storage. Seed Science and Technology 3(3/4): 731-735

Observation on the control of iron deficiency by means of foliar sprays. Deciduous Fruit Grower 25(9): 233, 236-238

Observation on the effect of different diluents on the viable period and activity of sperms in pig semen. Agriculture Hong Kong 1(4): 322-327

Observation on the embryonic development of Zygotylenchus guevarai. Nematologia Mediterranea 5(1): 121-124

Observation on the eye-frequenting behaviour of Pyrgus malvae malvoides Elw. + Edw. (Hesperiidae, Lep.) in Switzerland. Revue Suisse de Zoologie 81(4): 1019-1025

Observation on the incorporation cone in the rat. Gamete Research 1(1): 27-37

Observation on the interaction of peritoneal macrophages with Trypanosoma cruzi. II. Intracellular fate of bloodstream forms. Revista do Instituto de Medicina Tropical de Sao Paulo 19(5): 313-322

Observation on the interval between virulent blood inoculation and acquisition of immunity to piroplasmosis in grazing cows. Journal of the Japan Veterinary Medical Association 29(12): 673-675

Observation on the moulting of soil nematodes in their natural habitat. Journal of Research, Visva Bharati 1(2): 33-36

Observation on the mycetocytes of Periplaneta americana L. Indian Journal of Entomology 1976; 36(2): 162-164

Observation on the pediculicidal effect of Tanderil. Preliminary communication. Vojnosanitetski Pregled, Beogradrecd 1978; 32(1): 11-13

Observation on the periodic concentration of microfilaria of Setaria cervi in experimental host. Abstracts of the 1st National Congress of Parasitology, Baroda, 24-26 February, 1977: 25

Observation on the remarkable stability of transmissible mink encephalopathy virus. Research in Veterinary Science 22(1): 131-132

Observation on ultrastructure and enzyme activity of free-living amoebae. Acid phosphatase and peroxidase. Yonsei Reports on Tropical Medicine 7(1): 40-50

Observations (1969-1975) on the biology and ecology of Pentatomidae (Heteroptera) of cereals in two areas of Greece. Probleme de Protectia Plantelor 4: 161-164

Observations about the effect of oxidatively ammonified lignosulfonates on physical soil properties. Mededelingen van de Faculteit Landbouwwetenschappen, Rijksuniversiteit Gent 41(1): 41-46

Observations and comments on pests of minor or unknown importance, of intermittent occurrence or as vectors of pathogens of cereals and grasses. Proceedings of a symposium on problems of pest and disease control in northern Britain held at the University of Dundee, Scotland 23-24 March 1977: 21-25

Observations and experiments with root parasitic and virus transmitting nematodes on strawberries. Schweizerische Zeitschrift fur Obst und Weinbau 114(13): 342-350

Observations and experiments with root parasitic and virus vector nematodes on strawberries. Schweizerische Zeitschrift fur Obst und Weinbau 114(13): 342-350

Observations and recommendations for improving grain storage and marketing in Colombia. Report, Food and Feed Grain Institute, Kansas State University (20): 78

Observations and research on the use of various growth regulators in the germination of seeds of fruit trees. La Nuova AOPImbre 1975/Giugno 1976): 22

Observations and results of the appearance and taste evaluation of stored sweet cherries and a proposed evaluation scheme. Erwerbsobstbau 18(2): 26-29

Observations at the 54th DLG Exhibition in Munich, 1976. Equipment for milking and milk treatment. Milchpraxis 14(3): 32

Observations concerning butter production and related research in the USA and Canada. Maelkeritidende 90(46; 47): 1199-1202, 1204-1205; 1231-1238

Observations concerning the parasitic load, duration of infection and clinical manifestations in strongyloidiasis. Transactions of the Royal Society of Tropical Medicine and Hygiene 70(2): 162-163

Observations concerning use of soft rubber mats. Suomen Elainlaakarilehti 83(5): 223-227

Observations in a monoculture wheat assortment on the occurrence of foot rot pathogens. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 29(8): 113-114

Observations in connection with an outbreak of cutworms (Agrotis spp.) in the year 1976. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 30(2): 17-19

Observations in northern Scotland on plant base pathogens in cereals and on winter kill in grasses. Proceedings of a Symposium on Problems of Pest and Disease Control in northern Britain, held at University of Dundee 23-24 March 1977 [Fox, RA Editor]: 18-19

Observations made in 1974 on Diptera, Hippoboscidae, at Kaarlela, Tankar, Finnish W. coast. Luonnon Tutkija 81(2): 57-58

Observations made in 1975 based on the collaborative experiment on tobacco powdery mildew (Erysiphe cichoracearum). Bulletin d' Information Coresta (3/4): 20-22

Observations made in 1976 based on the joint experiment on tobacco powdery mildew Erysiphe cichoracearum). Bulletin d' Information Coresta (3/4): 65-66

Observations made on the blue mold trap collection in 1976. Bulletin d' Information Coresta (3/4): 53-56

Observations of Corethrella feeding on tree frogs (Hyla). Mosquito News 37(3): 522-523

Observations of Elm. Bulletin de la Societe Royale Forestiere de Belgique 82(4): 225-227

Observations of PBA-induced bulbil production in onion inflorescences. HortScience 12(4): 323-324

Observations of a case of molybdenosis-copper deficiency in a South Dakota dairy herd. Molybdenum in the environment Volume 1: 85-95

Observations of a colony of Halictus fulvipes Klug. (Apoidea, Hymenoptera). Bulletin of the Natural History Museum in Belgrade, B Biol Sci 23: 153-156

Observations of agricultural productivity in the USA. Rivista di Politica Economica 66(1, Series 3): 90-120

Observations of an unusual oviposition habit in Armigeres (Leicesteria) annulitarsis (Leicester). Mosquito News 35(4): 564-565

Observations of calcium oxalate crystals in low temperature ashed patterns of plant leaves. Technical Bulletin of Faculty of Agriculture, Kagawa University 29(1): 91-98

Observations of candidiasis (crop mycosis) in turkeys in Tokyo. Bulletin of the Azabu Veterinary College 1: 73-79

Observations of cortisol release during insulin-induced hypoglycaemia among Ugandan adults. East African Medical Journal 54(2): 85-87

Observations of density effects on the German cockroach, Blattella germanica (L.). Japanese Journal of Sanitary Zoology 28(4): 409-415

Observations of dermatophyte colonization in neurodermitis constitutionalis. Mykosen 20(3): 107-111

Observations of fungus gnat damage to glasshouse cucurbits. New Zealand Journal of Experimental Agriculture 6(1): 83-84

Observations of hemogregarine-like sporozoa of the Atlantic mackerel, Scomber scombrus. Transactions of the American Microscopical Society 95(2): 269

Observations of infectious keratoconjunctivitis of cattle in Ivory Coast. 1. Bacteriological features. 2. Study of the role of ophthalmotropic Lepidoptera as vectors. Revue d' Elevage et de Medecine Veterinaire des Pays Tropicaux 28(2): 115-124; 125-132

Observations of mating behavior in Culex tarsalis. Annals of the Entomological Society of America 68(5): 777-778

Observations of ova in the pregnancy following delayed ovulation and prolonged diestrus. Acta Obstetrica et Gynaecologica Japonica 1978; 23(4): 379

Observations of predacious organisms in relation to mosquito occurrence in the field. Mosquito News 37(2): 299-300

Observations of resting sites of Glossina morsitans morsitans (Diptera: Muscidae) during the wet season in the republic of Zambia, Africa. Journal of Medical Entomology 13(4-5): 595-599

Observations of soil water and salt movement under drip and flood irrigation in an apple orchard. Agricultural Water Management 1(2): 179-190

Observations of strigeoid trematodes from the eyes of southeastern Wyoming fish. II. Diplostomulum scheuringi Hughes, 1939; Neascus ptychocheilus (Faust, 1917); and other types. Proceedings of the Helminthological Society of Washington 45(1): 64-68

Observations of temperature in winter wheat at Ultuna, Sweden, 1968-1972. Swedish Journal of Agricultural Research 5(4): 223-234

Observations of the Myobiidae of Insectivora with a description of new taxa (Acarina: Prostigmates). Acta Zoologica et Pathologica Antverpiensia (66): 121-188

Observations of the apparent antagonism between meat producing capacity and meat quality in pigs. Meat animals: growth and productivity: 373-388

Observations of the effects of different presprouting procedures and two planting dates on three potato varieties. Potato Research 18(2): 332

Observations of the effects of formaldehyde on cockroaches and their flora: III. The effect of formaldehyde in eliminating the normal gut flora. Journal of Hygiene 80(1): 137-141

Observations of the first service non-return rates of the hypoglycaemic, concentrate-fed dairy herds. Australian Veterinary Journal 54(1): 7-9

Observations of the fleas of small mammals in the Gran Paradiso National Park (Western Italian Alps). Parassitologia 17(1/2/3): 103-119

Observations of the growth rates of some purebed and crossbred broilers. Malaysian Agricultural Research 3(3): 254-256

Observations of the mutualism between Acacia arabica Willd., Camponotus ligniperda Latr., & Oxyrhachis tarandus Fabr. Labdev Journal of Science and Technology, Brecd 1976; 11(3/4): 76-77

Observations of the occurrence of mould fungi in the auditory canal of patients with chronic otitis media. Zeitschrift fur Militarmedizin 16: 32-34

Observations of the penetration of the phloem in leaves of Nerium oleander (Linn.) by stylets of the aphid, Aphis nerii (B. de F.). Protoplasma 86(4): 309-319

Observations of the pre-adult development of Ceratophyllus (Citellophilus) tesquorum Wagn., 1898. Especially dangerous diseases in the Caucasus: abstracts of papers of the Third Scientific Practical Conference of Anti plague Institutions of the Caucasus on the Natural Foci, Epidemiology and Prophylaxis of Especially Dangerous Diseases 14-16 May 1974 No 1: Osobo opasnye infektsii na Kavkaze Tezisy dokladov III nauchno prakticheskoi konferentsii protivochumnykh uchrezhdenii Kavkaza po prirodnoi ochagovosti, epidemiologii i profilaktike osobo opasnykh infektsii 14-16 maya 1974 g No 1:

Observations of the rust Puccinia prostii Mougeot with light and scanning electron microscope. Wissenschaftliche Mitteilungen des Bosnisch Herzegovinischen Landesmuseums, C 6: 67-74

Observations of tuber dormancy in twenty Polish cultivars of potatoes. Biuletyn Instytutu Ziemniaka (14): 147-164

Observations of weed control in minimum tillage corn. Proceedings of the Northeastern Weed Science Society, New York City: 94-95

Observations on big Trichuris eggs in man and their possible significance. Resumenes de trabajos libres Congreso IV Latinoamericano de Parasitologia, etc, San Jose, Costa Rica, 7-11 Dec, 1976: 63

Observations on late onset disease and tumor incidence in different strains of laboratory mice infected congenitally with LCM virus. 1. Experiments with random-bred NMRI mice. 2. Experiments with inbred CBA/J mice. Zentralblatt fur Veterinarmedizin 22B(9): 764-782, 783-792

Observations on 'wintering' in Hevea. RRISL Bulletin 9(1/2): 5-9

Observations on 10-years of rotation trials at Changins Research Station. Mitteilungen fur die Schweizerische Landwirtschaft 23(11): 219-228

Observations on 5-fluorocytosine and Candida albicans. Sabouraudia 12(3): 302-308

Observations on Acer circinatum Pursh. propagation. Plant Propagator 21(4): 11-12

Observations on Adali sheep (Melka Werer, 1974/75). Ethiopia, Institute of Agricultural Research: Results of experiments in animal production from 1966/67 to 1975 Animal Production Report No 1: 55

Observations on Aedes albopictus cell cultures persistently infected with Sindbis virus. Annals of the New York Academy of Sciences 266: 214-231

Observations on Anopheles balabacensis (Diptera: Culicidae) in Thailand. Journal of Medical Entomology, 146: 666-671

Observations on Aonidiella aurantii Mask. and its indigenous parasite Comperiella bifasciata How. (Hymenoptera, Encyrtidae). Bulletin SROP [Section Regionale Ouest Palearctique]recd 1976; (3): 39-50

Observations on Aphelenchoides besseyi on rice from Rhodesia and Zambia. Nematological Society of Southern Africa Newsletter (7): 5

Observations on Araucaria araucana in western Norway. Dansk Dendrologisk Arsskrift 4(2): 28-46

Observations on Ascaris lumbricoides infection in Mwanza, Tanzania. Parasitoses of man and animals in Africa [Proc 1972 Ann Sci Conf E African Med Res Council, Dar es Salaam]: 359-383

Observations on Bucephalus sp. parasitic in Musculista arcuatula. Journal of Invertebrate Pathology 24(1): 63-69

Observations on Cercospora disease of banana in Cameroon in 1974. Evaluation of the possibilities of warning. Fruits, A 31(7/8): 437-458

Observations on Chagas' disease and infection with Trypanosoma rangeli in three huts of the Department of Francisco Morazan, Honduras. Revista de Biologia Tropical 1975; 22(2): 289-303

Observations on Chestnut coppice stands derived from old orchards. Annali dell' Istituto Sperimentale per la Selvicoltura, Arezzo 6: 203-230

Observations on Coccinellidae in corn fields in Essex County, Ontario. Proceedings of the Entomological Society of Ontario 1974; 104: 16-21

Observations on Crypturgus aleutaceus Schwartz (Coleoptera: Scolytidae), an associate of the southern pine beetle. Entomological News 88(3/4): 61-66

Observations on Cydia molesta: its behaviour on quince and a new parasite. Frutticoltura 35(9): 27-31

Observations on Datura meteloides Dunal. Kulturpflanze 23: 131-137

Observations on Disa uniflora. Gartenwelt 75(22): 471-472

Observations on Entedon sp. (Hymenoptera: Eulophidae) parasitising Frauanfeldiella jambooli Grover. Indian Journal of Entomology 1977; 37(2): 197-198

Observations on Escherichia coli infection in unweaned piglets. Lucrarile Institutului de Cercetari Veterinare si Biopreparate "Pasteur" 13: 43-48

Observations on Eutrichopodopsis nitens Blanchard (Diptera, Tachinidae) parasitising Nezara viridula (L.) (Hemiptera, Pentatomidae). Revista Brasileira de Entomologia 20(3/4): 153-157

Observations on Fusarium wilt disease of yellow lupin (Lupinus luteus L.) with regard to infection from soil. Roczniki Nauk Rolniczych, E 5(2): 9-18

Observations on Grapholitha funebrana (Tr.) in Campania, with the use of a synthetic sexual attractant. Bollettino del Laboratorio di Entomologia Agraria ' Filippo Silvestri' , Portici 32: 131-139

Observations on Haematoxenus separatus Uilenberg & Andreasen 1974 in the erythrocytes of Kenyan sheep. Research in Veterinary Science 23(3): 387-388

Observations on Heliothis peltigera (Schiff.) (Lep., Noctuidae) and its natural enemies in Anand (Gujarat State, India). Proceedings of the Indian Academy of Sciences, B 93(2): 55-65

Observations on Hexamermis albicans (Nematoda: Mermithidae) recovered from Lymantria dispar and Stilpnotia salicis (Lep.: Lymantriidae) in West Germany and Austria. Entomophaga 22(2): 141-146

Observations on Holocene soil formation and morphodynamic activity in non-calcareous regions of the Iberian Peninsula. Catena 2(3/4): 365-384

Observations on Ichneumon canadensis, a parasite of noctuid pupae in southern Manitoba. Canadian Entomologist 109(9): 1295-1296

Observations on Isospora suis infection in a minimal disease pig herd. Veterinary Record 98(16): 321-323

Observations on Kochia scoparia (L.) Scop. (Chenopodiaceae), a new weed in Quebec. Canada, Conseil des Recherches Agricoles du Quebec: Recherches Agronomiques Sommaire des Resultats 1971/1972:

Observations on Kraussaria angulifera (Orthoptera) in Katsina North, Northern Nigeria. Nigerian Journal of Plant Protection 1(1): 43-47

Observations on Lamprotatus splendens Westw. and Dacnusa semirugosa Hal. parasites of the fly-Amaurosoma Beck. (Diptera, Cordyluridae). Polskie Pismo Entomologiczne 46(2): 377-383

Observations on Lichnophora auerbachii a ciliate from the eyes of the Queen scallop Chlamys opercularis (Mollusca: Bivalvia). Journal of Protozoology 24(4): 48A

Observations on Lobesia botrana flights by means of synthetic pheromone traps and a control trial. Bollettino del Laboratorio di Entomologia Agraria "Filippo Silvestri" 33: 259-264

Observations on Lutzomyia flaviscutellata (Mangabeira) (Diptera: Psychodidae), a vector of enzootic leishmaniasis in Trinidad, West Indies. Journal of Medical Entomology 12(2): 228-232

Observations on Lymantria ampla Walker (Lymantriidae: Lepidoptera) infesting cotton. Indian Journal of Entomology 1977; 37(2): 213-214

Observations on Myzocallis (Agrioaphis) castanicola Baker (Homoptera Aphididae). Bollettino di Zoologia Agraria e di Bachicoltura73 recd 1975; 11: 89-99

Observations on Obtusiclava oryzae Subba Rao (Hym: Pteromalidae) parasite of Pachydiplosis oryzae (Wood-Mason) Mani (Dipt: Cecidomyiidae). Entomologica 11: 81-86

Observations on Oidium lini Skoric on linseed. Oilseeds Journal 5(2): 19-20

Observations on Pantorhytes biplagiatus (Chevr.) a stem borer of cacao in the British Solomon Islands Protectorate. IV International Cocoa Research Conference, St Augustine, Trinidad, 8-18 January, 1972: recd 1976; 590-596

Observations on Penichroa fasciata (Col., Cerambycidae). Bollettino di Zoologia Agraria e di Bachicoltura73 1975; 11: 83-87

Observations on Penichroa fasciata Steph. (Coleoptera Cerambycidae). Bollettino di Zoologia Agraria e di Bachicoltura73 recd 1975; 11: 83-87

Observations on Pleurotus eryngii in Iran. Iranian Journal of Plant Pathology 10(3/4): 30-32, 71-77

Observations on Populus deltoides provenances grown in Holland. Proceedings: Symposium on eastern cottonwood and related species [1]: ; 126-133

Observations on Saissetia oleae (Oliv.) and its parasites on the island of Corfu. Bollettino del Laboratorio di Entomologia Agraria ' Filippo Silvestri' , Portici 32: 158-167

Observations on Saissetia oleae and its insect predators on the island of Corfu. Bollettino del Laboratorio di Entomologia Agraria "Filippo Silvestri" 32: 156-167

Observations on Sandalus niger Knoch (Coleoptera: Sandalidae) with a description of the triungulin larva. Journal of the Kansas Entomological Society 50(3): 324-328

Observations on Schistosoma mattheei Veglia and Le Roux, 1929 infections in man in Zambia. Annales de la Societe Belge de Medecine Tropicale 55(6): 633-642

Observations on Stefanskostrongylus soricis. Parassitologia 18(1/3): 45-51

Observations on Syngenaspis parlatoriae Sulc and on other scale insects exclusive to conifers. Bollettino di Zoologia Agraria e di Bachicoltura1976 1977; 13: 1-21

Observations on Townesia tenuiventris (Hlmgr.) (Hym., Ichneumonidae) and its hosts Chelostoma maxillosum (L.) (Hym., Megachilidae) and Trypoxylon figulus (L.) (Hym., Sphecidae). Annales Entomologici Fennici 41(3): 81-86

Observations on Trichomonas vaginalis infections in Zambia. Journal of Hygiene, Epidemiology, Microbiology, and Immunology 21(2): 215-224

Observations on Trypanosoma (Trypanozoon) brucei after a brief sojourn in young Glossina morsitans. International Scientific Council for Trypanosomiasis Research and Control: Organization of African Unity: International Scientific Council for Trypanosomiasis Research and Control Fourteenth Meeting, Dakar, Senegal, 1975: 174-186

Observations on a blockboard attacked by powder-post beetles. IPIRI Journal 6(2): 85-89

Observations on a braconid parasite of Cydia ptychora, a pest of mature cowpeas in southern Nigeria. Occasional Publication, Nigerian Society for Plant Protection: 48

Observations on a case of equine hydatidosis. Rivista di Zootecnia e Veterinaria (6): 671-673

Observations on a collection of avocado cultivars in Valle de Guerra (Tenerife). Comunicaciones INIA, Produccion Vegetal (9): 17

Observations on a crop of chlorotic maize at Hofuf, Saudi Arabia. Publication, Joint Agricultural Research and Development Project, University College of North Wales, Bangor and Ministry of Agriculture and Water, Saudi Arabia (62): 14pp

Observations on a foot rot of leek due to Fusarium culmorum (W.G. Smith) Sacc. Rivista di Patologia Vegetale, IV 13(3/4): 70-75

Observations on a granulosis virus of the potato tuberworm, Phthorimaea operculella. Journal of Invertebrate Pathology 26(3): 397-400

Observations on a herd of beef cattle maintained in a tsetse area. I. Assessment of chemotherapy as a method for the control of trypanosomiasis. Tropical Animal Health and Production 7(4): 187-199

Observations on a herd of beef cattle maintained in a tsetse area. II. Assessment of the development of immunity in association with trypanocidal drug treatment. Tropical Animal Health and Production 8(1): 1-12

Observations on a mutation of Camellia X williamsii 'November Pink'. American Camellia Yearbook 1977: 162-166

Observations on a neglected species - Pteroceltis tatarinowii. Year Book 1976, International Dendrology Society, UK: 54-56

Observations on a new wall layer in vessel-associated cells of Robinia and Acer pseudoplatanus. Protoplasma 77(2/3): 211-219

Observations on a preliminary trial of the release of sterile males of Glossina palpalis gambiensis (Upper Volta). Revue d' Elevage et de Medecine Veterinaire des Pays Tropicaux 29(4): 341-351

Observations on a queenless colony of Plebeia saiqui (Friese) (Hymenoptera, Apidae, Meliponinae). Boletim de Zoologia, Universidade de Sao Paulo 1: 299-311

Observations on a resistant and a susceptible variety of tomato in a field heavily infested with Meloidogyne in Senegal. Cahiers ORSTOM, Biologie 10(3): 239-245

Observations on a set of radiation-induced dominant T-like mutations in the mouse. Genetical Research 26(1): 95-108

Observations on a species of the Anopheles funestus subgroup, a suspected exophilic vector of malaria parasites in northeastern Transvaal, South Africa. Mosquito News: 374: 657-661

Observations on a spontaneous case of fatal ovine mastitis due to Klebsiella pneumoniae. Zentralblatt fur Veterinarmedizin 24(2): 168-174

Observations on a swarm of the black cutworm moth in Tohoku District. Bulletin of the Tohoku National Agricultural Experiment Station (51): 51-59

Observations on a trypanosomatid flagellate in a flea, Peromyscopsylla silvatica spectabilis. Annales de Parasitologie Humaine et Comparee 50(3): 265-274

Observations on abdominal actinomycosis. Khirurgiya (7): 110-111

Observations on adult forms and experiments in growth of larvae of the freshwater shrimp: Macrobrachium nipponese (De Hann). Bamidgeh 29(4): 115-124

Observations on an acid sulphate soil in Aso Caldera which developed as a result of land consolidation work. Bulletin of the Kyushu Agricultural Experiment Station 18(4): 271-292

Observations on an actively pigment-producing strain of Trichophyton mentagrophytes. Castellania 4(3): 52

Observations on an outbreak of infestation of dogs with Cheyletiella yasguri and its public health implications. Canadian Veterinary Journal 17(7): 184-191

Observations on an outbreak of ringworm in sheep. Recueil de Medicine Veterinaire de l' Ecole d' Alfort 153(9): 561-564

Observations on anther callus from Hordeum vulgare L. Third International Barley Genetics Symposium, July 7-12, 1975 Authors A G: [Abstracts]: 38

Observations on antigen characteristics of the evolutional forms of Ascaridia galli. Revue Roumaine de Biologie, Biologie Animale 21(2): 141-143

Observations on aphids and their natural enemies on squash. Anais da Sociedade Entomologica do Brasil 5(1): 34-38

Observations on aphids and their predators on cauliflower. Anais da Sociedade Entomologica do Brasil 5(1): 29-33

Observations on apple aphids in the orchards of the Etna zone. Bollettino del Laboratorio di Entomologia Agraria ' Filippo Silvestri' , Portici 34: 87-98

Observations on apple woolly aphid (Eriosoma lanigerum) and trials on its control. Zastita Bilja 26(134): 337-344

Observations on attack by Neotermes tectonae on Teak in Mantingan forest district, central Java, and a trial of chemical control with Phostoxine. Laporan, Lembaga Penelitian Hutan (198): [ii] + 18

Observations on attacks by Cimex lectularius on fowls. Cercetari Agronomico in Moldova 8: 121-124

Observations on azoturia in obese fasting subjects. Bollettino dello Societa Italiana di Biologia Sperimentale 52(20): 1700-1705

Observations on bacteriologic isolation from pairs of quarter-milk samples. Journal of the American Veterinary Medical Association 168(3): 220-222

Observations on banana leaf spot in Cameroon in 1974. Evaluation of warning possibilities. Fruits 31(7-8): 437-458

Observations on behaviour in different strains of laying hens. Deutsche Geflugelwirtschaft und Schweineproduktion 29(6): 132-134

Observations on bites of Chiracanthium japonicum Bos. et Str. (Araneae: Clubionidae) in Japan. Acta Arachnologica 26(2): 64-68

Observations on biting activity in Aedes caspius caspius Pall. Problems of parasitology Proceedings of the VIIIth Scientific Conference of Parasitologists of the Ukrainian SSR Part I: Problemy parazitologii Materialy VIII Nauchnoi Konferentsii Parazitologov USSR Chast' I: recd 1977; 86-88

Observations on bovine leukosis. Behaviour of disophenol in peripheral blood lymphocytes. Atti della Societa Italiana di Buiatria 8: 409-416

Observations on breech strike in scouring sheep. Australian Veterinary Journal 51(12): 586-587

Observations on breeding for resistance to potato cyst nematode. Zaadbelangen 29(8): 262-263

Observations on cereal aphids and their natural enemies in 1972. Entomologists' s Monthly Magazine 1976; 111(1331/33): 69-77

Observations on certain serum enzymes in ducks (Anasplatyrhyncos). Kerala Journal of Veterinary Science 6(1/2): 66-69

Observations on changes in the quality of food eaten by the wild rabbit. Australian Journal of Ecology 2(2): 215-229

Observations on chemical methods for the evaluation of forages. Revista da Sociedade Brasileira de Zootecnia 3(2): 232-244

Observations on chlorophyll and cynarin content and on chloroplast structure in a yellow-leaved mutant of artichoke (Cynara scolymus L.). Annales de l' Amelioration des Plantes 27(5): 587-602

Observations on chlorpyrifos and some other compounds for the insecticidal control of southern armyworm, Persectania ewingii (Westwood). Tasmanian Journal of Agriculture 47(4): 271-274

Observations on chromosome pairing in Coffea arabica L. Cafe Cacao The 19(3): 177-190

Observations on chytridiaceous parasites of phanerogams XXVI. Physoderma gerhardti Schroeter on Phalaris arundinacea L. Archives of Microbiology 114(3): 241-247

Observations on chytridiaceous parasites of phanerogams. XXIII. Notes on Physoderma. Mycologia 67(3): 552-568

Observations on chytridiaceous parasites of phanerogams. XXV. Physoderma johnsii Sparrow a parasite of Caltha palustris L. American Journal of Botany 63(5): 602-607

Observations on chytridiaceous parasites of phanerogams. XXVII. A further study of Physoderma hydrocotylidis Viegas and Teixeira. American Journal of Botany 64(8): 989-993

Observations on citrus leaf drop in South Australia. Journal of the Rio Grande Valley Horticultural Society 27: 67-70

Observations on combining ability between diploid and tetraploid families of sugar beet. Annali dell' Istituto Sperimentale per le Colture Industriali 7(1): 159-162

Observations on commercial farms concerning double cropping with a winter fodder crop followed by fodder maize in Twente in 1976. Rapport, Proefstation voor de Akkerbouw en de Groenteteelt in de Vollegrond (3): 35

Observations on courtship and mating behavior of Meteorus pulchricornis, a gypsy moth parasitoid. Annals of the Entomological Society of America, 713: 364-366

Observations on cover crops and mulching on a steeply sloping orchard. Journal of the Agricultural Association of China (91): 69-76

Observations on crop rotation trials at Changins during the last 10 years. Revue Suisse d' Agriculture 7(4): 113-118

Observations on crystals found in the intestinal cells of Haemonchus contortus and in the intestinal lumen of Ostertagia ostertagi. International Journal for Parasitology 8(1): 69-74

Observations on cyclicity in the multiplication of cereal bugs. Rastitelna Zashchita 26(3): 22-23, 26

Observations on cysticercosis in Rhodesia. 1. The distribution of cysts disclosed in beef carcases at meat inspection. Rhodesian Veterinary Journal 7(1): 2-5

Observations on cysticercosis in Rhodesia. II. The survival time for Cysticercus cellulosae cysts at low temperatures. Rhodesian Veterinary Journal 7(2): 32-35

Observations on cysticercosis in Rhodesia. III. Taenia saginata and Cysticercosis bovis in Rhodesia. Rhodesian Veterinary Journal 7(4): 77-81

Observations on days available for field work in the departement of Meuse, Meuse Valley, Barrois, Argonne, Pays de Montmedy, Woevre, 1962-1974. Observations sur les jours disponibles pour les travaux des champs dans le departement de la Meuse, Vallee de la Meuse, Barrois, Argonne, Pays de Montmedy, Woevre, 1962-1974: 94

Observations on degeneration and performance with different sowing dates of 4 potato cultivars (Solanum tuberosum L.). Anais da Escola de Agronomia e Veterinaria 2(1): 83-89

Observations on destruction of spermatozoa in the cauda epididymidis and proximal vas deferens of non-seasonal male mammals. American Journal of Anatomy 149(1): 93-110

Observations on disease severity among tomato varieties grown commercially in the Tweed river valley in 1975-76. Plant Disease Survey: 1976 1977?; 33-34

Observations on diseases of the fourth upper premolar tooth in the adult dog. Bulletin de la Societe des Sciences Veterinaires et de Medecine Comparee de Lyon 79(5): 221-228

Observations on dog semen. 1. Dilution and conservation in three extenders. Zootecnica e Veterinaria 29(5/6): 117-121

Observations on dry-season moisture profiles at Samaru, Nigeria. Samaru Miscellaneous Paper (51): 9

Observations on embryonic development and some larval stages of Ascaridia galli (Schrank, 1788) with remarks on validity of other species reported from Indian domestic poultry. Indian Journal of Science and Industry, B, Animal Sciences 4(2): 57-60

Observations on emergence, survival and root invasion of second-stage larvae of the cereal cyst-nematode, Heterodera avenae. Nematologica 22(4): 467-474

Observations on environmental contamination in a microbiological laboratory. Journal of Hygiene 76(1): 91-96

Observations on epizootiology and distribution of Elaeophora schneideri in Montana ruminants. Journal of Wildlife Diseases 11(4): 486-488

Observations on experimental infection of calves with Dictyocaulus viviparus. Journal of the Japan Veterinary Medical Association 28(11): 569-574

Observations on experimental mastitis in mice with reference to summer mastitis in cattle. Journal of Comparative Pathology 86(2): 319-327

Observations on experimental perineal exteriorisation of the bovine urinary bladder. Veterinary Record 97(14): 261-262

Observations on factors responsible for varietal resistance to top borer in sugarcane. Plant Science(received 1977); 7: 89-91

Observations on false chamomile in North Dakota. Proceedins of the North Central Weed Control Conference (Vol. 29): 41-42

Observations on feathers formation in peach trees. 3rd contribution. Rivista della Ortoflorofrutticoltura Italiana 60(1): 33-39

Observations on feeding of young grass carp on mosquito larvae. Aquaculture 12(4): 361-363

Observations on fertility and hatchability of eggs. Agriculture Hong Kong 1(4): 357-359

Observations on filariasis and its vectors in Mauritius: past and present. Mauritius Institute Bulletin 6(3): 119-134

Observations on fleas of synanthropic rodents in the system of epidemiological surveillance of plague. International and national aspects of the epidemiological surveillance of plague scientific conference Volume I; Volume II: Mezhdunarodnye i natsional' nye aspekty epidnadzora pri chume k nauchnoi konferentsii Chast' I; Chast' II: 53-55

Observations on flies found in livestock farms in Malta. II - Fly population studies. Miscellaneous Report, Centre for Overseas Pest Research (35): 8

Observations on flies found on livestock farms in Malta. I. - Behaviour of adult flies, breeding sites and farm hygiene in relation to fly control. Miscellaneous Report, Centre for Overseas Pest Research (34): 9

Observations on flights of released tobacco hornworm moths, Manduca sexta (Johannson) order Lepidoptera; family Sphingidae. Ohio Journal of Science 75(2): 83-84

Observations on flower development and flowering of blue honeysuckles. Biologicheskie Nauki 17(3): 57-62

Observations on fluorescent examination for detection of Mycobacterium paratuberculosis in cattle faeces. Annali della Facolta di Medicina Veterinaria di Torino 23: 241-246

Observations on foliar application of fertilizers in beans. II. Bragantia 32: XXVII-XXXI

Observations on foliar application of fertilizers to bean plants (Phaseolus vulgaris L.). 2. Bragantia 32: XXVII-XXXI

Observations on follicular lactate concentrations and the influence of granulosa cells on oocyte maturation in the rat (including data on second polar body formation). Annales de Biologie Animale, Biochimie, Biophysique 18(2B): 529-533

Observations on food and feeding habits of 'Torpedo Trevally' Megalaspis cordyla (Linnaeus) from Vizhinjam Bay. Indian Journal of Fisheries 1975; 21(1): 76-84

Observations on food preference and feeding habits of three important species of Acrididae in the Sudan. Zeitschrift fur Angewandte Entomologie 83(4): 344-350

Observations on food quality in Scottish red deer (Cervus elaphus) as determined by chemical analysis of the rumen contents. Journal of Zoology 185(2): 253-259

Observations on free fatty acids of skim milk. Journal of Dairy Science 60(1): 24-28

Observations on free pollination in Theobroma cacao: mathematical analysis of the data and model construction. Cafe Cacao The 21(4): 253-262

Observations on fruit set and growth in persimmons. Agricoltura Italiana 104: 53-63

Observations on genesis and evolution of arid zone soils. Journal of the Indian Society of Soil Science 25(3): 260-264

Observations on genital abnormalities in dairy cows using slaughterhouse material. Nordisk Veterinaermedicin 29(4-5): 188-193

Observations on group defensive behaviour in the eastern honeybee. Zeitschrift fur Tierpsychologie 29(4): 337-342

Observations on growth and lipid accumulation in the fruit of Corylus avellana cv., Tonda Gentile delle Langhe. Annali della Facolta di Agraria, Universita Cattolica del Sacro Cuore, Milano 13(1/3): 318-338

Observations on growth and morphogenesis in cultured cells of carrot (Daucus carota L.). Philosophical Transactions of the Royal Society of London, B 273(922): 33-53

Observations on growth and yield in wheat. Indian Journal of Genetics and Plant Breeding 34A: 1001-1011

Observations on growth plates in limbs of foals. Veterinary Record 98(22): 443-446

Observations on growth, breeding, and fry survival of Gambusia affinis affinis (Pisces: Poeciliidae) under artificial rearing conditions. Proceedings and Papers of the Forty fourth Annual Conference of the California Mosquito Control Association, Inc January 25-28, 1976, held at the Bakersfield Inn, Bakersfield, California: 48-51

Observations on haustorial development in Striga gesnerioides (Scrophulariaceae). Annals of Botany 39(163): 979-981

Observations on helminth and protozoan parasites of cattle in two ranches of Lualaba-sous-region of Shaba, Republic of Zaire. Bulletin of Animal Health and Production in Africa 25(2): 132-134

Observations on helminthozoonoses in Zambia. East African Medical Journal 53(5): 278-286

Observations on horizontal resistance to yellow rust (Puccinia striiformis f. sp. tritici). Cereal Rusts Bulletin 5(1): 27-32

Observations on hosts of Hymenoptera of the family Ichneumonidae, in Brazil. Anais da Sociedade Entomologica do Brasil 2(1): 31-36

Observations on infection of grapes by Botrytis cinerea Pers. Travaux dedies a Georges Viennot Bourgin: 61-69

Observations on infection process of Helicobasidium mompa Tanaka to mulberry radicle. Annals of the Phytopathological Society of Japan 41(4): 405-407

Observations on infectious keratoconjuctivitis of cattle in Ivory Coast. 2. Study on the eye-frequenting Lepidoptera as vectors. Revue d' Elevage et de Medecine Veterinaire des Pays Tropicaux 28(2): 125-132

Observations on infestation of turkey (Meleagris gallopavo) and fowls (Gallus gallus) with a species of hard tick (Hyalomma excavatum Koch, 1844). Veteriner Fakultesi Dergisi, Istanbul Universitesi 2(1): 49-55

Observations on infestations of fruit-flies on coffee. Revista de Agricultura, Brazil 51(1): 41-45

Observations on inoculations with L. tropica. Journal of Protozoology 24(2, suppl.): Ab. 119

Observations on insect flight in a tropical forest plantation. VI. Flight activity of Elateridae, Eucnemidae, Throscidae and Languriidae (Coleoptera). Pacific Insects 17(4): 405-411

Observations on insects of the alpine zone of the Cibin Mountains. Studii si Cercetari de Biologie, Zoologie 24(4): 347-354

Observations on larval Aedes aegypti (L.) as scavengers. Mosquito News 37(3): 519-521

Observations on less common forms of mastitis. Australia, University of Sydney, Post Graduate Committee in Veterinary Science; Australia, Australian Veterinary Association; Australia, University of Melbourne Veterinary Clinical Centre, Werribee: Proceedings No 28 of refresher course for veterinarians Mastitis: 39-44

Observations on lesser-known flatworms: Udonella. International Journal for Parasitology 5(5): 475-482

Observations on lilac ringspot. Acta Horticulturae (59): 105-111

Observations on lipid metabolism in chronic renal failure, during conservative and haemodialysis therapy. European Journal of Clinical Investigation 6(6): 473-476

Observations on lipolysis in ketosis-resistant, growth-onset diabetes. Diabetes 23(4): 268-275

Observations on living rat spermatogenic cells in different developmental stages. Acta Anatomica 100(4): 557-572

Observations on longevity and fecundity of the sorghum shoot fly, Atherigona soccata (Diptera; Anthomyiidae). Entomologia Experimentalis et Applicata, 232: 131-138

Observations on malaria in Indonesian timor. American Journal of Tropical Medicine and Hygiene 24(3): 393-396

Observations on male territories in a carpenter bee, Xylocopa (Neoxylocopa) hirsutissima Maidl (Hymenoptera, Anthophoridae). Zeitschrift fur Tierpsychologie 38: 409-418

Observations on mating and oviposition behaviour of Priopoda nigricollis (Hymenoptera: Ichneumonidae), a parasite of the birch leaf-miner, Fenusa pusilla (Hymenoptera: Tenthredinidae). Canadian Entomologist 107(11): 1199-1204

Observations on mating behavior and survivorship of Culex tritaeniorhynchus Giles (Diptera: culicidae) during late autumn. Southeast Asian Journal of Tropical Medicine and Public Health 8(4): 537-545

Observations on mating behaviour, parturition, suckling and the mother-young bond in the Bontebok (Damaliscus dorcas dorcas). Journal of Zoology 177(2): 203-223

Observations on mermithid parasites of mosquitoes in Manitoba. Proceedings of the 1st International Colloquium on invertebrate pathology and IXth Annual Meeting, Society for Invertebrate Pathology, Queen' s University at Kingston, Canada, 1976: 227-231

Observations on microfibril organization of Douglas-Fir bordered pit-pair membranes by scanning electron microscopy. Wood and Fiber 6(4): 332-340

Observations on migratory moths in the high mountains of Bulgaria (Lepidoptera). Folia Entomologica Hungarica 27: 205-212

Observations on mildew development in winter cereals: 1968-73. Plant Pathology 25(1): 34-43

Observations on miners (Napomyza spp. Diptera Agromyzidae) on chicory, carrots and chamomile. Verslagen van Landbouwkundige Onderzoekingen (840): 44

Observations on mining flies (Napomyza spp., Diptera, Agromyzidae) on Witloof chicory, carrots and camomile. Verslagen van Landbouwkundige Onderzoekingen (840): [8 +] 44

Observations on morphological and agronomic characters in a barley collection. Rivista di Agronomia 8(4): 363-372

Observations on moths causing damage in the South Holland glasshouse area. Gewasbescherming 5(2): 17-29

Observations on mould allergic asthma in children. Ibid 16: 131

Observations on multiple bee stings and multilocular sclerosis. Medecine Legale et Dommage Corporel 4: 235-237

Observations on mycelial ultrastructure in pleomorphic cultures of Microsporum canis Bodin. Rassegna Medica Sarda 80(4): 243-256

Observations on mycoflora of mouldy food grains and their toxicity. Indian Veterinary Journal 53(6): 401-403

Observations on myxomatosis in a rabbit population with immune adults. Australian Wildlife Research 4(3): 263-280

Observations on natural plasmodial infections in mosquitoes and a brief survey of mosquito fauna in Belu Regency, Indonesian Timor. Journal of Medical Entomology 12(3): 333-337

Observations on nectar feeding and swarming in snowpool Aedes mosquitoes in the mountains of Utah. Proceedings, New Jersey Mosquito Control Association, Inc? recd 1977; 62: 94

Observations on nectar-sucking behaviour and parous rates of five species of blackflies. Japanese Journal of Sanitary Zoology 28(4): 401-407

Observations on neighbouring-tree effects in field trials for forest tree improvement. Beitrage fur die Forstwirtschaft 9(2): 98-100

Observations on new pathological symptoms on early rice varieties in the Ivory Coast. Agronomie Tropicale 32(3): 257-261

Observations on new strawberry cultivars in Emilia-Romagna. Atti dell' Incontro Frutticolo sulla Coltura della Fragola, Societa Orticola Italiana, Sez Frutticoltura, Treviso, November, 1975: 69-78

Observations on nitrate reductase efficiency and on non-enzymatic nitrite reduction in calcicole and calcifuge conifers. Annales des Sciences Forestieres 33(1): 27-45

Observations on nutritional changes in pomegranate fruit during pathogenesis. Comparative Physiology and Ecology 1(3): 97-99

Observations on nutriton education and training in schools of public health. American Journal of Public Health 64(10): 983-990

Observations on oestrus without ovulation in sheep. Theriogenology 8(4): 186

Observations on onchocerciasis in the Sudan Republic prevalence amongst four ethnic groups. Annals of Tropical Medicine and Parasitology 70(4): 481-482

Observations on oocysts and free spores of Sarcocystis in the large intestine of the red fox (Vulpes vulpes) in Bulgaria. Acta Protozoologica 14(3/4): 291-296

Observations on organic volatiles from germinating seeds and seedlings. American Journal of Botany 63(6): 798-805

Observations on ornamental apples. Groen (3): 88

Observations on pancreatic islets of the rabbit subjected to a high-cholesterol diet and metformin. Bollettino della Societa Italiana di Biologia Sperimentale 52(9): 649-650

Observations on parturient paresis of cows. Hellenike Kteniatrike Hellenic Veterinary Medicine 20(2): 59-70

Observations on pathogenicity tests of Pyricularia oryzae. Agriculture and Horticulture Nogyo oyobi Engei 52(2): 327-328

Observations on pear canker caused by Botryodiplodia malorum (Berk.) Petrak & Sydow in Piemonte. Coltivatore e Giornale Vinicolo 122: 1-9

Observations on performance of Costus speciosus Smith, Jammu strain at Lucknow. Indian Journal of Pharmacy 39(5): 120-122

Observations on periodical cicadas (Brood XIV) in Indiana in 1974 (Homoptera-Cicadidae). Proceedings of the Indiana Academy of Science 1975; 84: 289-293

Observations on pest control in China. PANS 22(2): 264-268

Observations on pigs with arthritis of the hock joint. Tierarztliche Umschau 32(1): 13-16

Observations on plasma creatine phosphokinase activity in dogs. Veterinary Record 98(17): 338-340

Observations on pod borer oviposition and infestation of pigeonpea varieties. Journal of Agriculture of the University of Puerto Rico 59(1): 63-68

Observations on predatory wasps of Leucoptera coffeella Guer.-Men. in central and southern Peru. Revista Peruana de Entomologia 1976; 18(1): 82-83

Observations on problems of forestry work, with particular reference to exploitation. Contributi Scientifico Pratici per una Migliore Conoscenza ed Utilizzazione del Legno 18(41): 7-12

Observations on productive life of dairy cows and possibility of improvement. Przeglad Hodowlany (8): 16-18

Observations on progenies from crosses of cucumber varieties from various countries. Berich uber die Arbeitstagung 1974 der Arbeitsgemeinschaft der Saatzuchtleiter: 305-313

Observations on pseudocysts of Tritrichomonas augusta from Rana pipiens. Journal of Protozoology 23(2): 12A

Observations on pumpkin pollination in Illinois. American Bee Journal 115(4): 139-140

Observations on quackgrass control in potatoes. Proceedings of the Northeastern Weed Science Society, Baltimore, 1977 (Volume 31): 195-196

Observations on quality and sale of Malaysian cocoa beans. Planter, Malaysia 51(591): 258-261

Observations on rapid diagnosis of porcine parvovirus in mummified foetuses. Australian Veterinary Journal 53(2): 106-107

Observations on rat and mouse oocyte maturation in vivo and in vitro: morphology and physiology. European Journal of Obstetrics, Gynecology and Reproductive Biology 4(1): 15-24

Observations on reproduction in multiparous Polish Black-and-White Lowland cows bred to Charolais bulls. Zeszyty Problemowe Postepow Rolniczych (172): 93-97

Observations on reproduction in the gayal, Bibos frontalis Lambert, 1837. Zeitschrift fur Saugetierkunde 40(2): 113-127

Observations on reproductive efficiency in dairy cows. 1. Average number of days from parturition to conception. Korean Journal of Veterinary Research 16(2): 115-119

Observations on reproductive performance in the yearling mare. Journal of Reproduction and Fertility. Supplement: 531-536

Observations on research in controlled environments. Revue Roumaine de Biologie, Biologie Vegetale 21(2): 99-106

Observations on saprolegniasis of adult sockeye salmon, Oncorhynchus nerka (Walbaum). Journal of Fish Biology 10(5): 513-522

Observations on sarcosporidiasis in cattle and pig. Indian Journal of Animal Health 16(2): 105-106

Observations on seasonal history and food preferences of Spilostethus macilentus Stal (Hemiptera : Lygaeidae). Indian Journal of Entomology 1976; 36(4): 361-362

Observations on seasonal variations in population of hoppers and adults of Oedaleus abruptus Thunberg (Orthoptera: Acrididae). Indian Journal of Entomology 1975; 35(4): 300-305

Observations on seed germination and early plant development in Macadamia ternifolia. Rivista Agricoltura Subtropicale e Tropicale 69(7-9/10-12): 167-179

Observations on seed germination of Orobanche. Science and Culture 41(6): 296-7

Observations on semi-free training forms for peaches and different planting densities. Frutticoltura 38(1): 25-33

Observations on serum immunoglobulin levels in cattle infected with Trypanosoma brucei, T. vivax and T. congolense. Annals of Tropical Medicine and Parasitology 70(4): 479-480

Observations on sexual activity of zebu heifers during the period of winter functional sexual inactivity and the most characteristic signs of oestrus after this period. Ciencia Animal 1(1): 3-17

Observations on short stumpy forms of Trypanosoma brucei. Journal of Protozoology 24(4): 42A

Observations on small metacarpal and metatarsal fractures with or without associated suspensory desmitis in Standardbred horses. Canadian Veterinary Journal 18(2): 29-32

Observations on snow mould affecting grasses. Revue Suisse d' Agriculture 8(1): 8-15

Observations on snow mould of Gramineae. Revue Suisse d' Agriculture 8(1): 8-14

Observations on sodium retention related to insulin treatment of experimental diabetes. Diabetes 24(7): 645-649

Observations on soil frost phenomena in the Peruvian Andes. Zeitschrift fur Geomorphologie 21(3): 357-362

Observations on soil fungistasis VI Fungistasis of amended soils. Bangladesh Journal of Botany 1977; 5(1/2): 1-7

Observations on soil fungistasis. 1. Survey of fungistasis in U.P. soils. Acta Botanica Indica 5(2): 169-173

Observations on soil fungistasis. Part 4. Fungistasis in relation to soil types, soil amendments and physico-chemical characters of the soils. Technology 12(2): 131-134

Observations on soil fungistasis. V. Fungistasis in relation to rhizosphere effect. Acta Mycologica 13(1): 151-167

Observations on some Mononchoidea and Dorylaimoidea from the Cameroons and Zaire. Revue de Zoologie Africaine 91(3): 766-780

Observations on some Scolytidae on Pinus sylvestris in the Foret de Finges. Beiheft zu den Zeitschriften des Schweizerischen Forstvereins (46): 309-318

Observations on some abnormal forms of Tremiorchis ranarum Mehra et Negi, 1926 (Trematoda: Plagiorchiidae). Marathwada University Journal of Science, Sect B Biol Sci 11(4): 371-373

Observations on some anatomical features used in identification and taxonomy. Wood structure in biological and technological research Leiden Botanical Series No 3: 102-106

Observations on some aspects of the epidemiology of leptospirosis in a herd of pigs. New Zealand Veterinary Journal 25(3): 56, 65-6

Observations on some changes during acute S. gallinarum infection in chicks. Avian Pathology 5(2): 71-80

Observations on some characters of a bud mutation of an early pear variety. Revista della Ortoflorofrutticoltura Italiana 60(4): 230-236

Observations on some findings in the ruminal fluid of cattle with experimental bracken poisoning. Journal of the Japan Veterinary Medical Association 28: 227-232

Observations on some hybrids in the genus Phaseolus. III. P. lunatus: new hybrids and considerations on interspecific affinities. Bulletin des Recherches Agronomiques de Gembloux 11(1/2): 183-200

Observations on some methods of accounting analysis for farms. Rivista Internazionale di Scienze Sociali 79(5): 454-473

Observations on some nematodes of Spanish rodents concerning their discovery in wild murids of Formentera (Balearic Islands). Revista Iberica de Parasitologia 37(1/2): 143-151

Observations on some protein conversion indices in cows in relation to feed from pastures and meadows treated with different fertilizer rates. Zeszyty Naukowe Akademii Rolniczo Technicznej w Olsztynie, Weterynaria (6): 143-153

Observations on some simple peptides and two unknown Pauly-positive components in normal plants, crown-gall tumors and tomato nematode gall. Botanical Bulletin of Academia Sinica 16(2): 101-114

Observations on some species of the genus Lecithodendrium Looss, 1896 from bats in Punjab. Research Bulletin of the Panjab University 1975; 23(3/4): 163-178

Observations on some techniques for the microbiological testing of butter. XX International Dairy Congress, Vol E: 337

Observations on some weeds of malacological importance in the Volta Lake. Bulletin de l' Institut Fondamental d' Afrique Noire, A 35(1): 57-66

Observations on spermatogenesis and sperm morphology in Ditylenchus dipsaci (Kuhn) Filipjev (Nematoda: Tylenchida). Nematologia Mediterranea 3(1): 105-108

Observations on spider predation of early instar larvae of Douglas fir tussock moth, Orgyia pseudotsugata (McDunnough) (Lepidoptera: Lymantriidae). Pan Pacific Entomologist 53(1): 46

Observations on staphylococcal strains with reference to impedin and mastitis. British Veterinary Journal 132(6): 647-648

Observations on stigmatic secretion with the scanning electron microscope and a technique adapted from freeze drying. Comptes Rendus Hebdomadaires des Seances de l' Academie des Sciences, D 280(7): 837-840

Observations on strigeoid trematodes from the eyes of southeastern Wyoming fish. I. Diplostomulum spathaceum (Rudolphi, 1819). Proceedings of the Helminthological Society of Washington 45(1): 60-64

Observations on supplementary divisions in pollen grains of homozygous plants of bread wheat (Triticum aestivium L.) obtained by in vitro anther culture. Comptes Rendus Hebdomadaires des Seances de l' Academie des Sciences, D 281(16): 1153-1156

Observations on teliospore germination and sporidium formation of Gymnosporangium haraeanum P. & H. Sydow by a scanning electron microscope. Annals of the Phytopathological Society of Japan 41(1): 69-72

Observations on temnocephalid hosts and distributions. Zeitschrift fur Zoologische Systematik und Evolutionsforschung 9: 139-143

Observations on the let down of milk among Bos taurus X zebu crossbred cattle. Kajian Veterinar 7(2): 57-62

Observations on the 1976 barley yellow dwarf epidemic in eastern Canada. Canadian Plant Disease Survey 57(3/4): 42-44

Observations on the California Mastitis Test (CMT) reaction. I. The roles of deoxyribonucleic acid (DNA) and milk proteins in the reaction. New Zealand Journal of Dairy Science and Technology 12(1): 44-47

Observations on the California Mastitis Test (CMT) reaction. II. Photomicrographic studies of somatic cells and their reaction with surface active agents. New Zealand Journal of Dairy Science and Technology 12(1): 48-50

Observations on the English goat. Ark 4(3): 79-82

Observations on the Heteroptera injurious to hazel nuts in Campania. Bollettino del Laboratorio di Entomologia Agraria ' Fillippo Silvestri' , Portici 33: 241-258

Observations on the White Fulani (Bunaji) Zebu cattle of Northern Nigeria in a Southern Nigeria environment. VII: Dietary energy and protein utilization during lactation by White Fulani (Bunaji) cows in Ibadan. East African Agricultural and Forestry Journal 42(3): 296-303

Observations on the White Fulani (Bunaji) zebu cattle of Northern Nigeria in a Southern Nigeria environment. V. Blood values in relation to stage of lactation, milk production and nutrient intake of cows at Ibadan. Ghana Journal of Agricultural Science 8(1): 37-43

Observations on the ability of the leaves and roots of young alder to reduce nitrate in the process of nitrogen nutrition. Bulletin de l' Ecole Nationale Superieure d' Agronomie et des Industries Alimentaires 18(1-2): 45-49

Observations on the acid-base balance in cattle during general anaesthesia of animals supported in the standing position. Preliminary results. Atti della Societa Italiana dell Scienze Veterinarie 28: 469-472

Observations on the activity of prostaglandin F2 alpha on the isolated bovine mammary gland. Clinica Veterinaria 97(9): 273-276

Observations on the activity of the tick Ixodes ricinus L. in two recreational areas near the town of Halle. Hercynia 12(3): 325-340

Observations on the adult stage in the species Scotia segetum Den. et Schiff. under laboratory conditions. Probleme de Protectia Plantelorrecd 1976; 2(4): 355-362

Observations on the aerial parts and roots of new coffee plants with possible drought resistance. Ciencia e Cultura 29: 14

Observations on the age and growth, maturity and fecundity of Labeo fimbriatus (Bloch) of the River Godavari. Indian Journal of Fisheries 1976; 21(2): 425-444

Observations on the agronomic and yield performance of 16 cling peach cultivars in the Po area. Annali della Facolta di Agraria, Universita Cattolica del Sacro Cuore 17(1/2): 111-128

Observations on the aleurone layer. 2. Fluorescence microscopy of the aleurone-sub-aleurone junction with emphasis on possible beta -1,3-glucan deposits in barley. Australian Journal of Plant Physiology 4(6): 917-928

Observations on the alimentary tract of gnotobiotic lambs. Research in Veterinary Science 20(1): 70-76

Observations on the appearance of virus diseases of gladiolus in Poland. Zeszyty Problemove Postepow Nauk Rolniczych (156): 167-168

Observations on the application of herbicides to turf. Rasen Turf Gazon 6(2): 38-40

Observations on the application of phosphorus-potassium fertilizer to sunflower. Informations Techniques, CETIOM (47): 29-37

Observations on the aquatic vegetation of Trivandrum, Kerala. Aquatic weeds in S E Asia Proceedings of a Regional Seminar on Noxious Aquatic Vegetation, New Delhi 1973: 99-102

Observations on the asexual regeneration of Eucalyptus X trabutii and E. occidentalis. Annali dell' Instituto Sperimentale per la Selvicoltura, Arezzo 6: 121-147

Observations on the assessment of the scope of inter-cropping in autumn planted sugarcane in Dhuri Mill area. Indian Sugar 26(11): 753-757

Observations on the association between mercury and organic matter dissolved in natural waters. Geochimica et Cosmochimica Acta 39(9): 1253-1258

Observations on the association of Pratylenchus brachyurus with the dry rot of yam, Dioscorea floribunda in the tropical area of Mexico. Nematropica 7(1): 25-26

Observations on the attack by hibernating adults of Eurygaster sp. on wheat. Analele Institutului de Cercetari pentru Cereale si Plante Tehnice, Fundulea, C 1973; 39: 43-50

Observations on the bacterial population of the os cervix of the ewe before and after embryo death. Australian Veterinary Journal 53(11): 542-544

Observations on the basal follicle numbers developed per female of two strains of Aedes aegypti after being fed on hosts with different levels of microfilariae of Brugia pahangi. Journal of Invertebrate Pathology 28(2): 203-207

Observations on the behaviour and factors influencing the sexually-active group in cattle. Proceedings of the New Zealand Society of Animal Production 37: 128-135

Observations on the behaviour in the nursery of certain almond varieties grafted on different rootstocks. Annali dell' Istituto Sperimentale per la Frutticoltura 5: 63-74

Observations on the behaviour of Holstein cows managed on strip-grazing on Napier grass pasture (Pennisetum purpureum Schum) during summer in central Brazil. Cientifica 4(2): 142-147

Observations on the behaviour of Sesamia nonagrioides (Lef.) (Lepidoptera, Noctuidae) with a view to carrying out mass rearings in the laboratory. Studi Sassaresi, III 1974; 21(2): 407-426

Observations on the behaviour of a cyclopic worker honeybee. Journal of Apicultural Research 16(1): 34-40

Observations on the behaviour of bean seeds under different storage conditions. Bragantia 35(38): 443-451

Observations on the behaviour of honeybees on onion and their effects on seed yield. Journal of Apicultural Research 16(4): 194-196

Observations on the behaviour of macrophytes following impoundment of the Kafue River at Kafue Gorge (1974-1976). Transactions of the Rhodesia Scientific Association 58(3): 17-23

Observations on the behaviour of primitive Polish horses living free in a Polish forest reservation area. Saugetierkundliche Mitteilungen 24(3): 184-268

Observations on the behaviour of ten sour-cherry varieties grown in Olsztyn province in 1962-1968. Zeszyty Naukowe Akademii Rolniczo Technicznej w Olsztynie, Rolnictwo (15): 139-149

Observations on the behaviour of the primitively social bee, Evylaeus (= Halictus) calceatus Scop.: 1. Preliminary report on the general life history. Entomologische Berichten Amsterdam 33(7): 121-127

Observations on the behavioural development of suckling and early-weaned piglets during the first six weeks after birth. Animal Behaviour 26(1): 22-30

Observations on the bio-ecology of Saissetia oleae Bern. in orchards of the Aegean region. Bulletin SROP [Section Regionale Ouest Palearctique] (5): 163-165

Observations on the biology and behaviour of the predaceous mite Typhlodromus italicus in peach orchards. Entomophaga 20(2): 171-177

Observations on the biology and control of the pine bark beetles Dendroctonus adjunctus and D. mexicanus in some regions of the state of Mexico. Boletin Tecnico, Instituto Nacional de Investigaciones Forestales, Mexico (40): 35

Observations on the biology and ecology of Pissodes validirostris Gyll (Coleoptera, Curculionidae) in the forest of Fontainebleau. Annales de Zoologie, Ecologie Animale 1977; 8(4): 523-542

Observations on the biology and ecology of an aphid that is useful for apiculture: Buchneria pectinatae (Nordl.) (Homoptera, Lachnidae). Schweizerische Landwirtschaftliche Forschung 14(4): 403

Observations on the biology and fruiting of 12 types of walnut (Juglans regia L.). Annali della Facolta di Agraria, Universita di Bari1975; 27: 373-396

Observations on the biology and habits of Sycanus affinis Reut. (Hemiptera: Reduviidae) and its status as a predator. Journal of the Bombay Natural History Society 1976; 72(2): 589-595

Observations on the biology and kleptoparasitic behaviour of Eurytoma wachtli (Chalc.: Eurytomidae), a parasite of Pissodes validirostris (Col.: Curculioniae) in the cones of Scots pine at Fontainebleau. Entomophaga 21(3): 289-295

Observations on the biology and natural enemies of Coccus pseudomagnoliarum Kuw. in Citrus orchards in the Aegean region. Bulletin SROP [Section Regionale Ouest Palearctique] (5): 255-257

Observations on the biology and natural enemies of Coccus pseudomagnoliarum in citrus orchards in the Aegean region. Fruits 10(4): 255-257

Observations on the biology and seasonal abundance of an encyrtid wasp, a parasite of ticks in Queensland. Journal of Medical Entomology 12(4): 433-447

Observations on the biology of Cerambyx dux Faldermann in the Maltese Islands. Bulletin of Entomological Research 67(1): 107-117

Observations on the biology of Ceutorhynchus trisignatus Gyllenhal (Col. Curculionidae). Entomologische Nachrichten 21(5): 72-73

Observations on the biology of Dioryctria mutatella Fuchs (Lepidoptera Phycitidae), a pest of the shoots and cones of Scots pine in the forest of Fontainebleau. Annales de Zoologie, Ecologie Animale 9(1): 117-131

Observations on the biology of Diptera present in the cones of Scots pine at Fontainebleau (Seine-et-Marne). Bulletin de la Societe Entomologique de France 81(3/4): 65-74

Observations on the biology of Mansonia perturbans (Walker) (Diptera, Culicidae) in Indiana. Proceedings of the Indiana Academy of Science 1974; 83: 216

Observations on the biology of Neoprociphilus aceris (Monell) (Homoptera: Aphididae) in Manitoba. Manitoba Entomologist 1978; 10: 36-37

Observations on the biology of Orthezia insignis Browne, 1887 (Homoptera-Ortheziidae). Anais de Sociedade Entomologica do Brasilrecd 1976; 3(1): 44-48

Observations on the biology of Ostrinia nubilalis Hbn., 'maize borer', in the Guadiana Plains (Badajoz). Boletin Servicio de Defensa contra Plagas e Inspeccion Fitopatologica 1(1): 23-54

Observations on the biology of Plusia oo (Cramer, 1782) in the laboratory, on leaves of soy bean. Biologico 43(3/4): 47-54

Observations on the biology of Subcoccinella vigintiquattuor-punctata (L.) in southern England. Ecological Entomology 1(3): 201-207

Observations on the biology of Xylotrupes gideon (Coleoptera: Scarabaeidae: Dynastinae) in Melanesia. Journal of the Australian Entomological Society 14(3): 213-216

Observations on the biology of sheep tapeworm, Moniezia expansa (Rudolphi, 1810) in India. Indian Journal of Animal Sciences 1977; 46(11): 603-609

Observations on the biology of some armoured scale insects (Homoptera: Diaspididae) on Citrus in Ibadan, Nigeria. Bulletin of the Entomological Society of Nigeriarecd 1975; 3(2): 99-107

Observations on the biology of some tropical rain forest Scolytidae (Coleoptera) from Fiji. II. Subfamily Ipinae - tribe Xyleborini. Journal of Natural History 11(3): 251-272

Observations on the biology of some tropical rain forest Scolytidae (Coleoptera) from Fiji: I. Subfamilies-Hylesininae, Ipinae (excluding Xyleborini). Bulletin of Entomological Research 66(3): 373-388

Observations on the biology of the green bug, Nezara viridula (L.) in the Valle del Fuerte, Sinaloa. Folia Entomologica Mexicana (28): 5-12

Observations on the biology of the potato tuber moth Phthorimaea operculella Zell. (Lepidoptera, Gelechiidae) in Iraq. Zeitschrift fur Angewandte Entomologie 79(4): 345-351

Observations on the biology of the prawns. Macrobrachium lamarrei Edwards and Macrobrachium mirabilis Kemp. Bangladesh Journal of Scientific and Industrial Research 12(3/4): 137-142

Observations on the biology, behaviour and ecology of the house-dust mite, Dermatophagoides pteronyssinus (Trouessart) (Acarina: Pyroglyphidae) in Tasmania. Journal of the Australian Entomological Society 16(3): 281-287

Observations on the biology, ecology and attack of the European corn borer (Ostrinia nubilalis Hbn.) in the conditions of Rasht - Iran. Analele Institutului de Cercetari pentru Cereale si Plante Tehnice Fundulea, C 40: 205-211

Observations on the bionomics of Epicharis (Epicharana) rustica flava (Oliver) including notes on its parasite, Rhathymus sp. (Hymenoptera, Apoidea: Anthophoridae). Studia Entomologica 18(1-4): 313-340

Observations on the bionomics of Pseudolynchia canariensis (Diptera: Hippoboscidae). Parasitology 70(2): 195-202

Observations on the biting activity and flight periodicity of Culex pipiens fatigans in an urban area. Journal of Communicable Diseases 9(1): 22-31

Observations on the black woodpecker (Dryocopus martius) in Aube department. Oiseau et la Revue Francaise d' Ornithologie 45(3): 197-206

Observations on the blood cells of Prodenia litura F. in relation to nuclear polyhedrosis. Indian Journal of Entomology 1974; 34(4): 290-293

Observations on the breeding habitats of Aedes aegypti (L.) in Jakarta, Indonesia. Southeast Asian Journal of Tropical Medicine and Public Health 7(3): 424-429

Observations on the breeding periods of certain interstitial nematodes, gastrotrichs and copepods of the south-west coast of India. Journal of the Marine Biological Association of India 14(1): 402-406

Observations on the bud apex of Cynara scolymus during the transition to flowering. Giornale Botanico Italiano 111(6): 357-358

Observations on the causes of death in piglets. Singapore Veterinary Journal 1: 1-5

Observations on the cephaline gregarine Lepismatophila rhombocephala n.sp. (Protozoa: Sporozoa) from silver fish. Archiv fur Protistenkunde 119(4): 361-366

Observations on the cephaline gregarine, Gregarina cylindrosa sp.n. from Supella supellectilium (Blattodea), found in India. Vestnik Ceskoslovenske Spolecnosti Zoologicke 41(4): 248-252

Observations on the cercaria and metacercaria of Philophthalmus hegeneri (Trematoda). Transactions of the American Microscopical Society 95(1): 86-91

Observations on the cercariae in freshwater snails, Semisulcospira spp., in Hiroshima Prefecture, Japan. Japanese Journal of Parasitology 24(3): 107-113

Observations on the character of very early apple varieties for the off-season. Research Reports of the Office of Rural Development, Horticulture Agr Engineering, S Korea Nong sa Si hum Yen ku Bo ko, Uun yui, Nong kong pyun 17: 49-53

Observations on the characteristics of the economy of the district of Forli with particular reference to the agricultural sector. Previdenza Sociale nell' Agricoltura 26(5/6): 581-587

Observations on the chemotaxonomic study of Festuca glauca var. macrophylla. Annales Scientifiques de l' Universite de Besancon, Botanique 10: 35-41

Observations on the cherry scallop shell moth, Hydria prunivorata (Lepidoptera: Geometridae) in Pennsylvania. Melsheimer Entomological Series (19): 7

Observations on the chromosomes of a lymphosarcoma in a dog. Veterinary Record 99(6): 103-103

Observations on the circadian activity and seasonal prevalence of Telmatoscopus albipunctatus Williston (Psychodidae: Diptera). Japanese Journal of Sanitary Zoology 27(2): 121-126

Observations on the colonization and egg-laying behaviour of Aphis fabae Scop. on various species of Euonymus. Plant Pathology 1977; 25(4): 209-210

Observations on the combined use of pyrimethamine and sulfamono-methoxine against Plasmodium juxtanucleare infection in chickens. Kajian Veterinar 8(1): 18-24

Observations on the conditions of hibernation of the long-tailed suslik and its ectoparasites. Doklady Irkutskogo Protivochumnogo Instituta (10): 218-221

Observations on the control of Panstrongylus megistus with BHC in Bahia State. Revista Brasileira de Malariologia e Doencas Tropicais1975; 26/27: 93-103

Observations on the correlation between the dung disposal systems and the concentration of ammonia in the air of animal houses. British Veterinary Journal 133(6): 629-634

Observations on the course of infestation and the species composition of aphids in large potato plantings. Nachrichtenblatt fur den Pflanzenschutz in der DDR 31(1): 11-14

Observations on the cropping, health and utility value of sugar beet seed from production plantations. Annales Universitatis Mariae Curie Sklodowska, E 30: 67-82

Observations on the cultivation of Brussels sprouts. Gemuse 12(7): 220-221

Observations on the cultivation of forage sunflower in Asturias. Revista Pastos 4(2): 199-207

Observations on the cultivation of the blackberry (Rubus glaucus Benth.) in the Venezuelan Andes. Agronomia Tropical 27(2): 253-260

Observations on the damaging effect of strawberry leaf eelworm (Aphelenchoides fragariae) on strawberries. Nachrichtenblatt fur den Pflanzenschutz in der DDR 31(7): 140-142

Observations on the determination of vitamin C. Sciences Agronomiques Rennes: 53-59

Observations on the development and population density of Pyrausta sticticalis. Rastitelna Zashchita 24(7): 35-37

Observations on the development and ultrastructure of some erinoses. I. Erinose caused by Eriophyes leiosoma on the leaves of Tilia intermedia. Marcellia 38(2/3): 197-209

Observations on the development and ultrastructure of some erinoses. II. Erinose caused by Eriophyes paderineus on the leaves of Prunus padus. Marcellia 38(2/3): 211-221

Observations on the development of Haemonchus contortus in young sheep given a single infection. Parasitology 71(3): 505-515

Observations on the development of Rhabdochona phoxini Moravec, 1968 (Nematoda: Rhabdochonidae). Folia Parasitologica 23(4): 309-320

Observations on the development of Rotylenchulus reniformis. 2 Vortragstagung zu Aktuellen Problemen der Phytonematologie am 2751976 in Rostock Manuskriptdruck der Vortrage Biologische Gesellschaft der Deutschen Demokratischen Re ik, Sektion Phytopathologie und Wilhelm Pieck Universitat, Rostock: 126-136

Observations on the development of apothecia of Sclerotinia minor Jagg. in the field. New Zealand Journal of Agricultural Research 19(3): 383-386

Observations on the development of groundnut rust in Australia. PANS 23(3): 297-299

Observations on the development of ovulate strobili and maturation and ripening of cones of Pinus merkusii. Tropical Forestry Research Note, Papua New Guinea (SR. 29): 12

Observations on the development of the weevil-Meligethes picipes Sturm (Col., Nitidulidae) on the legume - Vicia fabae minor L. Polskie Pismo Entomologiczne 46(2): 353-358

Observations on the diagnosis and treatment of schistosomiasis in an endemic area. South African Medical Journal 51(2): 29-33

Observations on the diel activity patterns of some Punjab mosquitoes (Diptera, Culicidae). Biologia, Pakistan 22(1): 67-77

Observations on the diet and behaviour of the roe deer, Capreolus capreolus, in the eastern Cansiglio. Monti e Boschi 26(5/6): 49-55

Observations on the diet of the red fox (Vulpes vulpes) in South Devon. Journal of Zoology 183(4): 495-504

Observations on the distribution and ecology in Iberia and North Africa of some annual legumes adapted to neutral and acid soils. Australian Plant Introduction Review 11(1/2): 9-23

Observations on the distribution and ecology of subterranean clovers, some other clovers, and medics in Greece and Crete. Australian Plant Introduction Review 12(1): 17-25

Observations on the distribution and intensity of greasy spot (Mycosphaerella citri) in Valencia Late orange. Centro Agricola 2(1): 103-111

Observations on the distribution and survival of the pupae of Dacus oleae Gmelin in the soil. Redia 56: 167-175

Observations on the distribution of Eimeria tenella in the caecum of the domestic fowl. Parasitology 75(2): iii

Observations on the distribution of Meloidogyne spp. in a vineyard soil. Journal of Nematology 8(2): 183-184

Observations on the distribution of the freshwater leeches (Hirudinea) of Ireland. Proceedings of the Royal Irish Academy 75B(21): 401-451

Observations on the distribution of uterine eggs in pseudopregnant rabbits. Journal of the Faculty of Agriculture, Hokkaido University 58: 262-270

Observations on the diurnal and nocturnal movements of the flea Xenopsylla conformis Wagn. parasitising red-tailed gerbils in Azerbaidzhan. Problemy Osobo Opasnykh Infektsii (2 (36)): 42-44

Observations on the drop of pome fruits. Frutticoltura 39(1): 17-25

Observations on the dung breeding fly, Parasarcophaga knabi Parker. Journal of the Australian Entomological Society 14(1): 71-75

Observations on the duration of oestrous cycle and the conception rate at the beginning of the breeding season in the goat. 1eres journees de la recherche ovine et caprine 2-3 et 4 decembre 1975 Tome 1: Espece caprine: 48-55

Observations on the ecological significance of vegetative reproduction in the Katherine-Darwin region of the Northern Territory. Australian Forestry 39(2): 131-139

Observations on the ecology and behaviour of Dacus oleae Gmelin in north-western Sardinia. Bollettino di Zoologia Agraria e di Bachicoltura1976 1977; 13: 49-118

Observations on the ecology of Simuliidae from the River Frome, Dorset. Ecological Entomology 2(3): 197-204

Observations on the ecology of Sporothrix schenckii and Ceratocystis stenoceras in Corsica and Alsace, French provinces free from sporotrichosis. Sabouraudia 13(2): 217-225

Observations on the ecology of noxious weeds on Ganga River banks at Varanasi, India. Proceedings of the 6th Asian Pacific Weed Science Society Conference, Indonesia, 1977me 1): 109-115

Observations on the ecology of the cocoa shield bug Bathycoelia thalassina (H.-S.) (Heteroptera) in Nigeria. Proceedings of the 4th Conference of West African Cocoa Entomologists, Zoology Department, University of Ghana, Legon, Ghana, 9th-13th December 1974: recd 1977; 10

Observations on the ecology of the species Viviania cinerea Fall. (Diptera, Tachinidae). Analele Institutului de Cercetari pentru Cereale si Plante Tehnice Fundulea, C 40: 113-122

Observations on the economics of treatment of Fasciola gigantica infestation in cattle in Rhodesia. Rhodesian Veterinary Journal 8(1): 14-20

Observations on the effect of 2,4-D applied at different growth stages of rice. Agrotecnia de Cuba 9(2): 3-6

Observations on the effect of brinjal mosaic virus on water absorption efficiency in eggplant and tobacco roots. Comparative Physiology and Ecology 1(2): 51-52

Observations on the effect of fusicoccin on the growth of rice seedlings. Phytopathologia Mediterranea 14(1): 25-27

Observations on the effect of liverfluke treatment on milk production in cows. Medycyna Weterynaryjna 32(11): 682-683

Observations on the effect of row spacing on sugar cane yield. Proceedings of the 43rd Conference, Queensland Society of Sugar Cane Technologists: 95-101

Observations on the effect of shortening the dry period on milk yield, body weight, and circulating glucose and FFA levels in dairy cows. Tijdschrift Voor Diergeneeskunde 101(2): 77-82

Observations on the effect of some anthelmintics against mature amphistomes in experimentally infected sheep. Indian Journal of Science and Industry, B 4(2): 53-56

Observations on the effect of temperature and R.H. to the infestibility of various coffees to A. fasciculatus, under Mombasa conditions. Kenya Coffee 42(494): 169-171

Observations on the effect of time of insemination on fertility in the pig. Malaysian Agricultural Journal 50(3): 375-393

Observations on the effect of worming on an intensive pig fattening plant. Medycyna Weterynaryjna 28(8): 476-477

Observations on the effect of zinc feeding in young bulls and cows. Proceedings of the 20th World Veterinary Congress, Thessaloniki 1976; 2: 1117-1122

Observations on the effectiveness of the limitation of Brevicoryne brassicae (L.) by syrphids (Diptera, Syrphidae). Polskie Pismo Entomologiczne 47(1): 147-155

Observations on the effects of 2-chloroethyltrimethylammonium chloride (CCC) on grapevines cvs Anglianico and Sangiovese. Annali della Facolta di Scienze Agrarie della Universita degli Studi di Napoli, Portici 11: 80-87

Observations on the effects of different pelleting processes on the laboratory germination and field emergence of sugar beet seed. Journal of the International Institute for Sugar Beet Research 7(1): 24-32

Observations on the efficacy of mebendazole against equine nematode infections. Magyar Allatorvosok Lapja 32(8): 533-535

Observations on the efficiency of the measles haemagglutination inhibition (MHI) test for detection of rinderpest antibodies. Indian Veterinary Journal 53(9): 653-658

Observations on the efficiency of the measles haemagglutination-inhibition test for detection of antibodies to rinderpest. Indian Veterinary Journal 52(5): 370-378

Observations on the epidemiology and control of schistosomiasis in two rural indicator areas in Mwanza district, Tanzania. Parasitoses of man and animals in Africa [Proc 1972 Ann Sci Conf E African Med Res Council, Dar es Salaam]: 451-470

Observations on the epidemiology and effect on grain yield of brown rust in spring barley. Plant Pathology 25(2): 63-73

Observations on the epidemiology and pathogenicity of Zygotylenchus guevarai. Nematologia Mediterranea 4(2): 183-193

Observations on the epidemiology of Chermes on Spruce (Picea excelsa) as well as on cases of individual resistance to attack by Chermisidae (Adelgidae). Marcellia 39(1): 11-13

Observations on the epidemiology of Dirofilaria immitis in urban Ames, Iowa. Proceedings of the Helminthological Society of Washington 44(2): 226-228

Observations on the epidemiology of Rift Valley fever in Kenya. Journal of Hygiene 75(2): 219-230

Observations on the epidemiology of equine hydatidosis in Ireland. Irish Veterinary Journal 29(10): 155-157

Observations on the epidemiology of malignant catarrhal fever. New Zealand Veterinary Journal 26(4): 86-87

Observations on the epidemiology of porcine parvovirus. Australian Veterinary Journal 52(2): 80-84

Observations on the epidemiology of trichostrongylosis of calves. Mededelingen Landbouwhogeschool Wageningen 71(10): 1-114

Observations on the equine hypophysial portal system. Anatomia Histologia Embryologia 4(2): 149-161

Observations on the establishment, growth, and development of Hymenolepis hopkinsi Schiller, 1951 (Cestoda) in the mallard. Canadian Journal of Zoology 53(12): 1892-1897

Observations on the estimation of vitamin C. (Technical note and application.). Sciences Agronomiques Rennes: 53-59

Observations on the excretory pore of the female of Tylenchulus semipenetrans Cobb through the scanning electron microscope. Nematropica 5(1): 2-5

Observations on the exine sculpture of the pollen of some fruit species. 1. Olive. Rivista della Ortoflorofrutticoltura Italiana 61(3): 157-163

Observations on the fate of cystathionine in rat brain. Life Sciences 19(8): 1217-1244

Observations on the feeding and defecation patterns of three triatomine species (Hemiptera: Reduviidae). Acta Tropica 34(1): 65-77

Observations on the feeding and oviposition behaviour of the pea leaf-miner, Phytomyza horticola Gourea (Diptera, Agromyzidae). Scientific Reports of the Kyoto Prefectural University, Agriculture (27): 37-45

Observations on the feeding habits of Ctenocephalides felis orientis Jordan, 1925 on human host. Cheiron 5(2): 73-77

Observations on the feeding mechanism, structure of the gut, and digestive physiology of the European lobster Homarus gammarus (L.) (Decapoda: Nephropidae). Journal of Experimental Marine Biology and Ecology 26(3): 297-324

Observations on the feeding of Ironus longicaudatus (Enoplida: Ironidae). Nematologica 1978; 23(4): 478-479

Observations on the feeding of Pungentus thornei on the roots of Petunia hybrida. Plant Pathology 25(2): 117-118

Observations on the fertilization process in avocado with fluorescent light. Euphytica 24(2): 531-535

Observations on the field resistance of winter wheat varieties to powdery mildew, Erysiphe graminis f. sp. tritici D.C. Prace Naukowe Instytutu Ochrony Roslin 17(1): 123-131

Observations on the finding of trypanosomatids of the genus Blastocrithidia infecting triatomines naturally in the insectary and in the field. Revista de Saude Publica 11(1): 87-96

Observations on the fine structure of plant cell walls. II. The microfibrillar framework of the parenchymatous cell wall in Cucurbita. Annals of Botany 40(167): 439-442

Observations on the fine structure of plant cell walls. III. The sieve tube wall in Cucurbita. Annals of Botany 40(167): 443-446

Observations on the fine structure of plant cell wells. I. Use of permanganate staining. Annals of Botany 40(167): 433-437

Observations on the fine structure of the haustorium of Melampsora pinitorqua (A.Br.) Rostr. in cells of Pinus pinea L. Caryologia 28(3): 389-405

Observations on the fine structure of the merocyst of Hepatocystis sp. from Malaysian tree squirrels. Journal of Protozoology 24(2, suppl.): Ab. 76

Observations on the flex wearing variations of teat-cup liners in farm usage. New Zealand Journal of Dairy Science and Technology 11(2): 142-143

Observations on the flight activity of the green cereal aphid (Schizaphis graminum Rond.). Analele Institutului de Cercetari pentru Cereale si Plante Tehnice, Fundulea, C 1973; 39: 35-42

Observations on the flight activity of the males of Pseudococcus calceolariae (Mask.) (Homoptera Coccoidea). Bollettino del Laboratorio di Entomologia Agraria ' Filippo Silvestri' , Portici 33: 108-112

Observations on the flights of Lobesia botrana (Schiff.) (Lep. Tortricidae) with synthetic sex-pheromone traps, and tests on control. Bollettino del Laboratorio de Entomologia Agraria ' Filippo Silvestri' , Portici 33: 249-264

Observations on the floral biology of Brazilian Malvaceae. II. Osterreichische Botanische Zeitschrift 120: 439-509

Observations on the flowering of ranunculus as affected by cold treatment and by successive planting. Annali dell' Istituto Sperimentale per la Floricoltura 6(1): 15-26

Observations on the flowering phenology of apple cultivars. Kertgazdasag 8(3): 15-18

Observations on the flowering time of several plum cultivars (at the Rillaar Horticultural Institution). Belgische Fruitrevue (May): 3

Observations on the flying behaviour of the European cherry fruit fly (Rhagoletis cerasi L.). International Atomic Energy Agency; Food and Agriculture Organization: Sterility principle for insect control 1974 Proceedings of the symposium on the sterility principle for insect control jointly organized by the IAEA and the FAO of the United Nations and held in Innsbruck, 22-26 July 1974: 191-198

Observations on the food of the fox, Vulpes vulpes (L.), in Kinchega National Park, Menindee, N.S.W. Australian Wildlife Research 1(2): 89-94

Observations on the food selection and behaviour of Buprestis rustica L. (Co., Buprestidae). Entomologisk Tidskrift 99(1): 35-36

Observations on the food selection of phytophagous beetles (Coleoptera). Polskie Pismo Entomologiczne 46(2): 343-351

Observations on the foraging behavior and avian prey of the neotropical carnivorous bat, Vampyrum spectrum. Journal of Mammalogy 58(4): 469-478

Observations on the founding of a new colony by Trigona cupira (Hymenoptera: Apidae) in Costa Rica. Revista de Biologia Tropical 22(2): 253-287

Observations on the free larval stage of Glossina morsitans morsitans Westw. (Diptera, Glossinidae): the possibility of a larval pheromone. Bulletin of Entomological Research 66(1): 17-24

Observations on the gastro-intestinal helminthiases in sheep and goats in Coimbatore (Tamil Nadu). Indian Journal of Animal Research 11(2): 74-76

Observations on the genus Xenopharynx Nicoll, 1912 and redescription of Xenopharynx piscator Bhalerao, 1926 (Trematoda: Plagiorchidae). Proceedings of the 59th Session of the Indian Science Congress Association, Calcutta, 1972 Part III, Abstracts: 429-430

Observations on the germination of Endogone spores. Transactions of the British Mycological Society 66(2): 189-194

Observations on the grasshopper Chromacris speciosa (Thunberg, 1824) (Orthoptera-Acrididae). Revista de Agricultura, Brazil 51(2): 89-91

Observations on the growth and sexual behaviour of young bucks raised in groups. 1eres journees de la recherche ovine et caprine, 2-3 et 4 decembre, 1975 Tome 1: Espece caprine: 18-22

Observations on the habits and control of Hypsipyla grandella Zeller in Cuba. Baracoa recd 1976; 4(3/4): 3-52

Observations on the heart beat in the larvae of Corcyra cephalonica Staint. Bulletin of Grain Technology 13(2): 110-111

Observations on the histogenesis of nervous tissue in Diphyllobothrium dendriticum Nitzsch, 1824 (Cestoda, Pseudophyllidea). Zeitschrift für Parasitenkunde 50(3): 313-321

Observations on the histopathology of verminous pneumonia of Japanese serow. Bulletin of the Nippon Veterinary and Zootechnical College (24): 76-86

Observations on the histopathology of warble infestation in goats by the larvae of Przhevalskiana silenus. Zentralblatt fur Veterinarmedizin, B 24(8): 648-655

Observations on the honey bees, Apis mellifera L., existed in the New Valley of Egypt. Agricultural Research Review 52(1): 125-136

Observations on the honeybee visitation to the litchi (Nephelium litchi) blossoms at Pusa (Bihar, India). Indian Bee Journal 36(1-4): 9-12

Observations on the hyperglycaemia following a load of glucose in the pigeon. Bollettino della Societa Italiana di Biologia Sperimentale 53(5): 381-384

Observations on the importance of population and ecological genetics as a basis for studies on the genetics and breeding of forest trees. Silvae Genetica 24(4): 118-126

Observations on the in vitro cultivation of Leishmania braziliensis. Journal of Parasitology 63(6): 1118-1119

Observations on the incidence and biology of Oestrus ovis L. Indian Veterinary Journal 53(3): 180-184

Observations on the incidence of Cercospora in cultivars of groundnut (Arachis hypogaea L.). Revista de Agricultura, Brazil 52(1): 39-46

Observations on the incidence of anthropozoonoses in the Krakow district. Medycyna Weterynaryjna 33(9): 517-520

Observations on the incidence of ketosis and milk fever in cattle fed maize (fodder or silage). Clinica Veterinaria 99(2): 52-56

Observations on the incidence of leek rust in NIAB trials. Journal of the National Institute of Agricultural Botany 14(1): 100-104

Observations on the incidence of metacercariae of Paragonimus in crabs in Xi County, Anhui Province. Acta Zoologica Sinica 22(1): 84-88

Observations on the incidence of nosema disease of honey bees. New Zealand Journal of Experimental Agriculture 2: 451-453

Observations on the incidence of spirocercosis in local dogs. Malaysian Veterinary Journal 6(2): 69-71

Observations on the infection sites of apple canker, caused by Valsa ceratosperma. Bulletin of the Fruit Tree Research Station, C Morioka (5): 29-37

Observations on the inflorescence component characters and pollen yield of five coconut populations. Philip J Coconut Stud 2(4): 34-39

Observations on the influence of orchard soil management on simazine movement. Weed Research 16(5): 305-307

Observations on the influence of red, far-red and blue light on the germination of seeds of the radish, Raphanus sativus. Comparative Physiology and Ecology 2(3): 109-110

Observations on the influence of the intermediate host in experimental fascioliasis. Observations on the influence of the intermediate host in experimental fascioliasis: 139

Observations on the inheritance of vegetative characters in rice (Oryza sativa) with a view to improving Arroz-de-Abril. Arquivos da Universidade Federal Rural do Rio de Janeiro 3(1): 45-59

Observations on the insect fauna in apple trees in connection with testing pesticides for integrated control. Vaxtskyddsnotiser 41(2): 39-48

Observations on the insect fauna in apple trees in connection with tests on insecticides for integrated control. Vaxtskyddsnotiser 41(2): 39-48

Observations on the insect fauna of an apple orchard in the light of integrated control. Parasitica 32(3): 109-140

Observations on the interpretation of the second law of increment. Annali, Accademia Italiana di Scienze Forestali 24: 143-186

Observations on the intestinal protozoa infecting man in Rhodesia. South African Medical Journal 50(40): 1547-1550

Observations on the intraarticular use of corticosteroids in the racing thoroughbred. Journal of the American Veterinary Medical Association 168(11): 1039-1041

Observations on the introduction of Canadian Spruce (Picea glauca) in the experimental forest of the Latvian Agricultural Academy. Latvijas Lauksaimniecibas Akademijas Raksti (75): 15-26

Observations on the involvement of wildlife in an epornitic of chlamydiosis in domestic turkeys. Journal of the American Veterinary Medical Association 169(9): 932-935

Observations on the laboratory biology and maintenance of Aedes trivittatus. Mosquito News: 381: 9-14

Observations on the leaching of nitrate, phosphate and potassium in soil colonized by fungi. Plant and Soil 42(3): 711-715

Observations on the lecture by A. Giacobbe: Research on the heliophilous character of forests in a Mediterranean climate. Annali, Accademia Italiana delle Scienze Forestali 24: 277-282

Observations on the life cycle of Carneophallus brevicaeca (Africa et Garcia 1935) comb. n. (Digenea: Microphallidae). Journal of Parasitology 61(5): 910-914

Observations on the life cycle of Prionchulus punctatus (Cobb, 1917) (Nematoda) and some culture conditions. Biologische Jaarboek Dodonaea 43: 197-218

Observations on the life duration of imagos of the fleas Xenopsylla conformis and Ceratophyllus laeviceps in Azerbaidzhan. Problemy Osobo Opasnykh Infektsii (1 (35)): 90-94

Observations on the life history and morphology of Bracon chinensis (Szepl.). Journal of Taiwan Agricultural Research 23(2): 83-90

Observations on the life history of Periploca mimula in Tennessee (Lepidoptera: Walshiidae). Journal of the Georgia Entomological Society 10(3): 259-261

Observations on the life-cycle of the strigeoid trematode, Apatemon (Apatemon) gracilis (Rudolphi, 1819) Szidat, 1928. Journal of Helminthology 50(2): 125-132

Observations on the localization of chlamydospores of Fusarium oxysporum in parasitized plant tissues. Travaux dedies a Georges Viennot Bourgin: 193-197

Observations on the maintenance and diseases of gazelles (Gazella dorcas) in the Tunis zoo. Verhandlungsbericht des XVII Internationalen Symposiums uber die Erkrankungen der Zootiere, Tunis, 4-8 June, 1975: 71-73

Observations on the mass production of Romanomermis culicivorax, a nematode parasite of mosquitoes. Mosquito News: 381: 83-86

Observations on the mastitis-metritis-agalactia syndrome. Revista de Cresterea Animalelor 26(8): 51-55

Observations on the mating behavior of Hyssopus rhyacioniae. Florida Entomologist 59(3): 324

Observations on the mating behaviour of the codling moth, Laspeyresia pomonella (L.). I. Duration of copulation and estimation of mating frequency. Ekologia Polska 25(2): 333-340

Observations on the mating behaviour of the codling moth, Laspeyresia pomonella (L.). II. Temporal patterns of copulatory behaviour in relation to the age of the moths and the time of day. Ekologia Polska 25(2): 341-352

Observations on the mating of Xiphinema diversicaudatum. Nematologica 22(2): 223

Observations on the maturation and dissemination of ascospores of spur blight - Didymella applanata (Niessl.) Sacc. Prace Instytutu Sadownictwa w Skierniewicach, A 18: 157-163

Observations on the maturation of fruits of two grapefruit cultivars in relation to changes in certain juice constituents. Annali della Facolta di Scienze Agrarie della Universita degli Studi di Napoli, Portici1976; 9/10: 225-236

Observations on the metabolic rates of small-for-date infants. Acta Medica Auxologica 7(1/2): 137-140

Observations on the metazoan parasitic infestations of sheep in Tamil Nadu (India). Abstracts of the 1st National Congress of Parasitology, Baroda, 24-26 February, 1977: 45

Observations on the micro-organisms present in larvae of Calliphora vomitoria. Atti della Societa Italiana delle Scienze Veterinarie 1975; 28: 803-806

Observations on the microbial quality of some indigenous concentrated milk products. Indian Journal of Dairy Science 28(4): 304-305

Observations on the microgametogenesis of Eimeria acervulina. Journal of Protozoology 23(4): 3A

Observations on the mode of infection of Phytophthora parasitica var. nicotianae on young roselle roots. Nigerian Journal of Plant Protection 1(1): 38-42

Observations on the morphogenesis and structure of the gall of Trioza alacris Flor (Homoptera-Psyllidae) on Laurus nobilis L. Marcellia 38(1): 49-55

Observations on the morphology and biology of Ptilodactyla exotica Chapin (Coleoptera, Ptilodactylidae) in greenhouses in Lombardy, and a bibliographic contribution to the study of the group. Bollettino di Zoologia Agraria e di Bachicoltura1976 1977; 13: 143-165

Observations on the morphology and life-history of a coccidian Eimeria mecistophori n.sp. from the gut of a centipede Mecistocephalus punctifrons Newp. Proceedings of the Indian Academy of Sciences, B 84(4): 141-147

Observations on the morphology and sporogony of a coccidian Adelina rayi n.sp. from the gut of the centipede, Rhysida longipes. Proceedings of the Indian Academy of Sciences, B 86(4): 239-244

Observations on the morphology and taxonomy of Phycopeltis hawaiiensis King (Chroolepidaceae). Pacific Science 30(2): 187-195

Observations on the morphology of nuclear polyhedrosis viruses from six forest insects. Canadian Entomologist 109(5): 759-762

Observations on the morphs of Macrosiphum avenae and Metopolophium dirhodum on cereals during the summer and autumn. Annals of Applied Biology, 891: 1-7

Observations on the mortality of cereal bugs (Eurygaster sp.) during the diapause. Analele Institutului de Cercetari pentru Cereale si Plante Tehnice, Fundulea 42: 363-367

Observations on the mortality of the grasshopper, Poecilocerus pictus (Fab.) infected by Sarophagous parasite, Blaesoxipha kaestneri. Indian Journal of Entomology 1974; 35(1): 50-52

Observations on the mosquito fauna of Vihanti, central Finland, in the year 1976 (Diptera, Culicidae). Notulae Entomologicae 58(1): 21-25

Observations on the motility and fertilizing ability of ram epididymal spermatozoa. Annales de Biologie Animale, Biochimie, Biophysique 17(6): 987-990

Observations on the mottled lucerne moth - Semiothisa clathrata L. (Lepid. Geometridae). Probleme de Protectia Plantelor 2(3): 292-298

Observations on the moulting of aphids, scales and mealybugs. Acta Phytopathologica Academiae Scientiarum Hungaricae 10(1/2): 141-151

Observations on the mycetome of Idiocerus clypealis Leth. (Hemiptera: Jassidae). Indian Journal of Entomology 1977; 37(2): 194-196

Observations on the mycetomes of Ptyelus sexvittatus (Walker) (Hemiptera: Cercopidae). Mushi 48(4): 21-28

Observations on the natural enemies of Hylemyia brassicae (Bouche) (Diptera, Anthomyiidae). Polskie Pismo Entomologiczne 47(1): 157-160

Observations on the natural enemies of Piezodorus guildinii (Westwood, 1837) (Hemiptera, Pentatomidae) on soy bean. Anais da Sociedade Entomologica do Brasil 5(1): 11-17

Observations on the natural history of atherogenesis. Journal of the American Geriatrics Society 24(2): 58-64

Observations on the nature of resistance in Spodoptera litura (F.) (Noctuidae: Lepidoptera) to infection by Bacillus thuringiensis Berliner. Indian Journal of Experimental Biology 13(6): 548-550

Observations on the nests of Halictus sp. (Hymenoptera: Halictidae). Bulletin de la Societe Entomologique d' Egypte 56: 253-256

Observations on the nomenclature of some European members of the genus Ulmus L. Rocznik Dendrologiczny 29: 121-128

Observations on the normal and abnormal bovine karyotype. Canadian Veterinary Journal 18(6): 143-149

Observations on the normal and abnormal karyotype of cattle. Informations Veterinaires 18(2): 2-4

Observations on the normal fecal bacterial flora of pigs. Journal of the Chinese Society of Veterinary Science 1(1): 7-15

Observations on the notions of propagule and unit of dissemination in plant epidemiology: case of fungi parasitic on aerial organs of plants. Annales de Phytopathologie 9(2): 161-176

Observations on the nuclear polyhedrosis virus of the cotton bollworm and its field tests in bollworm control. Acta Entomologica Sinica 19(2): 167-172

Observations on the nucleic acids of Isospora lacazei (Labbe) and Eimeria labbeana (Labbe). Indian Journal of Animal Health 16(1): 5-8

Observations on the occurrence and behaviour of live-wood termites (Glyptotermes dilatatus) in low-country tea fields. PANS 23(1): 5-8

Observations on the occurrence and ecology of Loxosceles laeta (Araneae: Scytodidae) in Los Angeles County, California. California Vector Views 22(4): 29-36

Observations on the occurrence and injuriousness of the raspberry beetle - Byturus tomentosus F. (Col., Byturidae) and the raspberry blossom weevil - Anthonomus rubi Hbst. (Col., Curculionidae) in raspberry plantations in the Wroclaw area. Polskie Pismo Entomologiczne 44(2): 413-424

Observations on the occurrence and specificity of antibodies produced by infected hosts against the acetylcholinesterase present in some common gastrointestinal nematode parasites. Veterinary Parasitology 1(3): 221-230

Observations on the occurrence and structure of cardenolides in tissue cultures of Digitalis purpurea and Digitalis lanata. Part 1. Cardenolides in surface tissue cultures of cotyledon and foliage leaves of Digitalis purpurea. Planta Medica 29(3): 275-282

Observations on the occurrence and the formation of cardenolides in tissue cultures of Digitalis purpurea and Digitalis lanata. 2. Cardenolides in submerged cultures of Digitalis purpurea leaves. Planta Medica 31(3): 221-227

Observations on the occurrence of Colotois (Himera) pennaria L. in the Wienerwald in the years 1971-1973. Anzeiger fur Schadlingskunde, Pflanzen und Umweltschutz 47(2): 20-24

Observations on the occurrence of Myzus persicae on beet, aphid infestation and aphid control in 1976. Nachrichtenblatt fur den Pflanzenschutz in der DDR 31(4): 84-87

Observations on the occurrence of Sipha (Rungsia) agropyrella H.R.L. (Homoptera: Aphidina) on cereals. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 29(12): 185-187

Observations on the occurrence of diseases of caraway. Nachrichtenblatt fur den Pflanzenschutz in der DDR 30(9): 186

Observations on the occurrence of polyembryony in two species of orchids. Current Science 46(17): 607

Observations on the occurrence of the parasitic ciliate Synophrya in decapods in coastal waters off the southeastern United States. Journal of Protozoology 23(2): 252-256

Observations on the occurrence of the rice gall midge Orseolia oryzae (Wood-Mason) and its parasites in Java during wet seasons 1975 and 1976. Contributions, Central Research Institute for Agriculture, Bogor, Indonesia (20): 11

Observations on the occurrence of the rice gall midge, Pachydiplosis oryzae, and its parasites in Java, Indonesia. Rice Entomology Newsletter (4): 32

Observations on the occurrence of the tachinid Leskia aurea Fall. (Diptera, Tachinidae) in the Upper Silesia Industrial District. Polskie Pismo Entomologiczne 46(1): 155-164

Observations on the ontogeny and habits of Lytta nuttalli, L. viridana, and L. cyanipennis (Coleoptera: Meloidae): the adults and eggs. Canadian Entomologist 109(4): 565-573

Observations on the organisation of a unit improved peasant farm at the institute of agriculture, Ambo, Shoa Province, Ethiopia, 1969-1974. Agricultural Administration 2(4): 307-319

Observations on the parasites of Capua. Brochure, Section Regionale Ouest Palearctique, Organisation Internationale de Lutte Biologique contre les Animaux et les Plantes Nuisiblesrecd 1976; (3): 49-52

Observations on the parasitic behaviour of Thesium Vahl. (Santalaceae). (a) hosts and mode of attachment of haustorial structure. Comptes Rendus du Ve Colloque International sur l' Ecologie et la Biologie des Mauvaises Herbes, Dijon, 1976: ; 367-376

Observations on the parasitic bumble bee Psithyrus norvegicus in a nest of the bumble bee Bombus hypnorum. Mitteilungen des Badischen Landesvereins fur Naturkunde und Naturschutz 10(3): 579-581

Observations on the parasitology and histopathology of the oyster, Crassostrea angulata Lmk. of the South Atlantic coast of Spain. Investigacion Pesquera 41(3): 543-567

Observations on the pasture beetle, Saulostomus villosus Waterhouse (Scarabaeidae: Rutelinae). Journal of the Australian Entomological Society 15(3): 281-284

Observations on the pathogenesis of porcine parvovirus infection. Archives of Virology 51(1/2): 123-129

Observations on the pathogenicity of Serratia marcescens Bizio for certain Lepidopteran insects. Madras Agricultural Journal 61(3/4): 92-95

Observations on the pathology of Eperythrozoon ovis infection in sheep. New Zealand Veterinary Journal 26(9): 224, 229-30

Observations on the pathology of tracheal collapse in dogs. Journal of Small Animal Practice 17(12): 783-791

Observations on the penetration of root nematode larvae in the roots of young sugar beet plants and their effect on yield. Gesunde Pflanzen 28(6): 126-129

Observations on the performance of Narthecium ossifragum (L.) Huds. and Phragmites, communis Trin. Journal of Ecology 63(3): 965-977

Observations on the performance of bean seeds under different storage conditions. Bragantia 35(38): 443-451

Observations on the performance of winter wheat in the conditions in Moldavia in the year 1973/1974. Productia Vegetala, Cereale si Plante Tehnice 26(10): 8-12

Observations on the peritrophic membrane of Locusta migratoria migratorioides (R. & F.) nymphs. Acrida 7(1): 11-21

Observations on the permanent rearing of Epistrophe balteata Deg. (Diptera: Syrphidae). Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 28(4): 55-56

Observations on the phenology of flowering in apple varieties. Kertgazdasag 8(3): 15-28

Observations on the phenology of raspberry cane midge (Resseliella theobaldi (Barnes), Diptera Cecidomyiidae) in the west of Scotland. Horticultural Research 17(2): 99-105

Observations on the phi-thickenings and casparian strips in Pelargonium roots. American Journal of Botany 63(6): 863-867

Observations on the physiology of the gut of Schistosoma mansoni. Biochemistry of parasites and host parasite relationships: 335-342

Observations on the phytotoxicity and plant stand due to disulfoton and phorate seed treatment in Vigna radiata ('moong'). Entomologists' Newsletter 7(9/10): 44-45

Observations on the pollen grains of Gyrocarpus americanus Jacq. Current Science 46(5): 163-164

Observations on the pollination of Chinese gooseberries variety Hayward. New Zealand Journal of Experimental Agriculture 2: 455-458

Observations on the pollination of Coffea arabica L. in the central coffee-growing region of Colombia. Cenicafe 27(2): 51-66

Observations on the population dynamics of Ceratitis capitata Wied. in some peach and citrus orchards of Sardinia. Informatore Fitopatologico 27(6/7): 59-60

Observations on the preference of jute species to the attack of the ash weevils, Myllocerus spp. Madras Agricultural Journal 61(5): 134

Observations on the present status of Chestnut blight in Italy. Annali, Accademia Italiana di Scienze Forestali 24: 15-28

Observations on the prevalence of Necator americanus and Ancylostoma duodenale in Paraguay. Revista Paraguaya de Microbiologia 11(1): 27-29

Observations on the prevalence of potato diseases during the vegetative phase in relation to fertilizer dose and planting density in the varieties Krab, Notec, Nysa and Prosna. Zeszyty Naukowe Akademii Rolniczej w Szczecinie, Rolnictwo (66): 95-105

Observations on the primary phase of milk coagulation by rennet under standardized conditions. Journal of Dairy Research 44(2): 363-366

Observations on the principal fungus diseases of Kalanchoe in Italy. Rivista di Economia Agraria (6): 14-19

Observations on the protandry character in maize. Sementi Elette 23(1): 9-13

Observations on the protein and carbohydrate requirements of carps. Aquaculture 13(3): 245-255

Observations on the protoplasmic streaming in the cells of crop plants. 2. Relation between stoppage of protoplasmic streaming and abnormal phenomena in protoplasm of the root hair cells of wheat. Bulletin of the Faculty of Agriculture, Yamaguti University (27): 1-8

Observations on the re-establishment of Aedes aegypti population in Poona city and suburbs, Maharashtra State, India. Indian Journal of Medical Research 63(8): 1155-1163

Observations on the re-secretion of radioactive phosphorus taken in by mouth in the saliva of flies. Zeitschrift fur Angewandte Zoologie 62(1): 83-87

Observations on the reaction of grape varieties to drought at the Pietroasa viticultural centre. Anale, Institutul de Cercetari pentru Viticultura si Vinificatie 1975; 6: 107-124

Observations on the rearing of and the rate of parasitism by Ascogaster quadridentatus Wesm. (Hymenoptera: Braconidae), an important parasite of the codling moth (Laspeyresia pomonella L.). Zeitschrift fur Angewandte Zoologie 63(3): 267-272

Observations on the recent incidence of malaria. Journal of the Indian Medical Association 65(6): 177-178

Observations on the regression process of weeds in crops and the consequences for the biocoenosis. 4e Colloque International sur l' Ecologie et la Biologie des Mauvaises Herbes, Marseille, 1973: ; 105-115

Observations on the relationship between Ascaris suum burdens in pigs and faecal egg counts. Acta Pathologica et Microbiologica Scandinavica, B, Microbiology and Immunology 82(6): 879-884

Observations on the relationship between inter-rural migration and achievement motivation in Merida State, Venezuela. Journal of Latin American Studies 7(2): 305-327

Observations on the relationship between milk fever and sun-spot activity. Dansk Veterinaertidsskrift 58(17): 645-651

Observations on the relationship between varietal susceptibility to gangrene and mechanical damage. Abstracts of conference papers, 7th triennial conference of the European Association for Potato Research, Warsaw, Poland, 26 June 1 July 1978 Pathology Virology: 221-222

Observations on the relationship of parathyroid hormone and calcitonin to plasma and liver phosphate. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine 153(1): 131-137

Observations on the repeated treatment for fascioliasis of stock on a farm in south-west England. Veterinary Record 98(1): 5-9

Observations on the repeated-sequence DNA of genotypes within the Triticinae having contrasting degrees of meiotic chromosome pairing. Heredity 35(1): 144

Observations on the reproductive biology of Aedes (Ochlerotatus) fryeri (Theo.) (Diptera, Culicidae). Bulletin of Entomological Research 65(2): 285-293

Observations on the reproductive performance of ewe lambs synchronised for oestrus. Veterinary Record 100(18): 380-382

Observations on the resistance of carnation cultivars to Phialophora cinerescens and Fusarium oxysporum f. sp. dianthi. Annali dell' Istituto Sperimentale per la Floricoltura 5(2): 59-66

Observations on the response of cattle to a skin test using infectious bovine rhinotracheitis (IBR) inactivated antigen. Proceedings of the 18th Annual Meeting of the American Association of Veterinary Laboratory Diagnosticians: 49-60

Observations on the response of cultivars of sweet pepper (Capsicum annuum L.) and paprika (Capsicum sp.) in relation to attack by red spider (Tetranychus urticae Koch, 1836) in pot-grown plants. Ciencia e Cultura 28: 776

Observations on the resting habits and diel changes in the ovarian condition of some Punjab mosquitoes (Diptera, Culicidae). Biologia, Pakistan 22(1): 79-88

Observations on the resting sites of Tabanidae in a Miombo woodland in the Republic of Zambia. Journal of Medical Entomology 14(2): 195-197

Observations on the resumed development of arrested Ostertagia ostertagi in naturally infected yearling cattle. Journal of Comparative Pathology 86(1): 73-80

Observations on the rhizomes and roots of Vaccinium membranaceum. USDA Forest Service Research Note, Pacific Northwest Forest and Range Experiment Station (PNW-261): 5

Observations on the risk of occurrence of foot-and-mouth disease. Boletin del Centro Panamericano de Fiebre Aftosa (23/24): 51-66

Observations on the role of the honey bee in the pollination of blackcurrants variety 'Magnus'. New Zealand Journal of Experimental Agriculture 4: 399-402

Observations on the root growth of strawberry plants grown on bare soil and on soil covered with black plastic film. Kerteszeti Kutato Intezet Kozlemenyei (5): 9-21

Observations on the root system of peaches under different cultural treatments. Pubblicazione, Centro Regionale Agrario Sperimentale, Cagliari (48): 15

Observations on the rooting capacity of 34 Olea europea cultivars treated with IBA and mist in a greenhouse. Olea (June): 11-25

Observations on the seasonal flight period of chestnut pests: a comparison of methods. XXIIIrd Plant Protection Conference: Forecasting in Plant Protection, Budapest, March 30-31, 1976: XXIII Novenyvedelmi Tudomanyos Ertekezlet: Novenyvedelmi Elorejelzes, Budapest, Marcius 30-31, 1976: 203-211

Observations on the seasonal incidence of Mecistocirrus digitatus and its transmission in homologous and heterologous hosts. Indian Journal of Animal Sciences 1977; 45(7): 446-450

Observations on the seasonal prevalence, pathology and transmission of Dracunculus insignis (Nematoda: Dracunculoidea) in the raccoon (Procyon lotor (L.) in Ontario. Journal of Wildlife Diseases 13(3): 273-280

Observations on the seasonality of fodder production in Lolium perenne L. in central Italy and the possibilities of its improvement. Genetica Agraria 29(1/2): 179-198

Observations on the seasonality of forage production in Lolium perenne L. in central Italy and possibilities of improvement. Genetica Agraria 29(1/2): 179-198

Observations on the second moult of the larvae of Ascaridia galli. Annales de Parasitologie Humaine et Comparee 52(5): 531-537

Observations on the sectioning characteristics of normal and gamma-irradiated conifer wood. IAWA Bulletin (1): 12-16

Observations on the seminal volume of Tharparkar bulls. Orissa Veterinary Journal 11(1): 19-22

Observations on the sheep tapeworms Moniezia expansa and Moniezia benedeni. Parasitology 75(2): xx

Observations on the sites of hibernation of weevils (Curculionidae). Biuletyn Instytutu Ochrony Roslin 56: 221-231

Observations on the sites of respiratory evaporation in the fowl during thermal panting. Respiration Physiology 25(1): 39-52

Observations on the smut infection of flowers and fruit development of Triplochiton scleroxylon K. Schum. Proceedings of the symposium on variation and breeding systems of Triplochiton scleroxylon KSchum: ; 53-56

Observations on the soil-borne wheat mosaic virus in Italy. EPPO Bulletin 5: 449-453

Observations on the soils of the Agricultural Research Centre, Hofuf, Saudi Arabia. Publication, Joint Agricultural Research and Development Project, University College of North Wales, Bangor and Ministry of Agriculture and Water, Saudi Arabia (66): 30

Observations on the somatic variability of Sardinian populations of Apis mellifera ligustica. Apicoltore Moderno 67(3): 77-80

Observations on the specificity of mites of the family Myobiidae. Correlation between the evolution of parasites and that of their hosts. Annales de Parasitologie Humaine et Comparee 52(3): 339-351

Observations on the sporogony of Plasmodium circumflexum Kikuth and Plasmodium polare Manwell in New Brunswick. Canadian Journal of Zoology 54(2): 133-141

Observations on the spread and detection of Sharka virus in a peach orchard in Aquitaine. Phytoma 28(280): 20-24

Observations on the stability of the oedema disease principle. Veterinary Record 97(4): 73-74

Observations on the storage of apples under plastic film in relation to quality and storage diseases. Erwerbsobstbau 17(7): 97-100

Observations on the structure of particles of white clover mosaic virus. Journal of General Virology 39(2): 361-364

Observations on the structure of the larval ocelli (stemmates) of certain Lepidoptera. Canadian Entomologist 107(10): 1073-1080

Observations on the subfamily Aetholaiminae Jairajpuri, 1965 (Nygolaimidae: Nematoda). Proceedings of the Helminthological Society of Washington, 451: 82-92

Observations on the subgenus Argas (Ixodoidea: Argasidae : Argas). A. (A.) dalei, new species, parasitizing the burrowing owl in Peru. Annals of the Entomological Society of America 69(5): 917-925

Observations on the subgenus Argas (Ixodoidea: Argasidae: Argas). 12. Argas (A.) africolumbae: variation, bird hosts, and distribution in Kenya, Tanzania, and South and South-West Africa. Journal of Medical Entomology 13(4-5): 441-445

Observations on the subspecific identification of Trypanosoma (Trypanozoon) brucei isolates from non-human hosts by the blood incubation infectivity test (BIIT). Transactions of the Royal Society of Tropical Medicine and Hygiene 70(3): 262-264

Observations on the suitability of male-sterile and restorer lines for the production of hybrid durum wheats. Genetica Agraria 31(1/2): 181-189

Observations on the suitability of mixing dry sludge with subsoils for the polybag cultivation of Carica papaya, Lactuca sativa, Brassica chinensis and Brassica alboglabra. Singapore Journal of Primary Industries 3(1): 68-74

Observations on the survival and longevity of Culex and Aedes mosquitoes fed on the flowers of nectar plants (IV Supplement). Japanese Journal of Sanitary Zoology 27(3): 307-309

Observations on the survival of potato groundkeepers in Scotland. Potato Research 18(2): 205-215

Observations on the susceptibility of Oncomelania spp. to Schistosoma japonicum, Yamanashi strain. 1. The rates of infection and survival of laboratory colonies of Oncomelania hupensis nosophora, Yamanashi strain. Japanese Journal of Parasitology 25(2): 59-68

Observations on the susceptibility of Oncomelania spp. to Schistosoma japonicum, Yamanashi strain. 2. The susceptibility of Oncomelania spp. of the different geographical strains to S. japonicum. Japanese Journal of Parasitology 25(2): 69-79

Observations on the susceptibility of an Aegilops collection to Cercosporella herpotrichoides Fron, cause of eyespot. Parasitica 30(2): 58-62

Observations on the susceptibility of certain culicine mosquito species to infection by Lankesteria culicis (Ross). Mosquito News 36(2): 154-160

Observations on the susceptibility of rice varieties to Chilo suppressalis. Taiwan Agriculture Quarterly Tai wan Nung yeh 11(4): 110-118

Observations on the susceptibility of various members of the Rutaceae to epigeal infection by Phoma tracheiphila. Annali dell' Istituto Sperimentale per l' Agrumicoltura 1975; 5: 29-49

Observations on the teaching of nutrition at maternal and child health centres in some tropical communities. Journal of Tropical Pediatrics and Environmental Child Health 20(5): 232-238

Observations on the techniques of dorsal laminectomy and hemilaminectomy in the dog. (Summary of thesis.). Arquivos da Escola de Veterinaria, Universidade Federal de Minas Gerais 26(3): 393-395

Observations on the technological characteristics of various almond cultivars. Rivista della Ortoflorofrutticoltura Italiana 62(2): 147-154

Observations on the threshold of damage by Heterodera avenae on cereals under different rates of nitrogen fertilization. 2 Vortragstagung zu Aktuellen Problemen der Phytonematologie am 2751976 in Rostock Manuskriptdruck der Vortrage Biologische Gesselschaft der Deutschen Demokratischen Re ik, Sektion Phytopathologie und Wilhelm Pieck Universitat, Rostock: 11-30

Observations on the time course of wall development at the surface of isolated protoplasts. Planta 139(1): 85-91

Observations on the time of attraction of some Pakistan mosquitoes to light traps. Mosquito News 37(3): 531-533

Observations on the time of foaling in thoroughbred mares in Australia. Journal of Reproduction and Fertility. Supplement: 545-546

Observations on the toxicity of zearalenone in the rat. Toxicology and Applied Pharmacology 41(1): 133

Observations on the transmission of cutaneous leishmaniasis in the State of Sao Paulo, Brazil. Revista de Saude Publica 10(1): 31-43

Observations on the transmission of some phytoreoviruses by different lines of vector planthoppers. Annales de Phytopathologie 9: 307-311

Observations on the turnover of thylakoids and their prenyl lipids in Hordeum vulgare L. Proceedings of the Third International Congress on Photosynthesis Volume III: 2007-2015

Observations on the type specimens of two species described by Lauro Travassos. Journal of Parasitology 63(2): 343-343

Observations on the ultrastructure and genesis of urinary calculi. Journal of Urology 117(3): 336-341

Observations on the ultrastructure of papillae and associated sensilla on the scolex of Monoecocestus americanus (Stiles, 1895) (Cestoda: Anoplocephalidae). Canadian Journal of Zoology 54(5): 802-806

Observations on the ultrastructure of the kidneys of mice infected with Trypanosoma musculi. Transactions of the Royal Society of Tropical Medicine and Hygiene 1977; 70(5/6): 538-539

Observations on the use of 1 alpha -hydroxycholecalciferol in the prevention of bovine parturient paresis 'milk fever). Refuah Veterinarith 33(3/4): 157-158

Observations on the use of Tordon 101 in Msasa/Mu Nhondo woodland. Rhodesia Agricultural Journal 73(2): 45-51

Observations on the use of cement bags as a mulching material for advanced planting materials. Planters' Bulletin of the Rubber Research Institute of Malaysia (149): 61-68

Observations on the use of cloprostenol in a large dairy herd in Cheshire. Veterinary Record 99(14): 272-273

Observations on the use of dalapon for the control of Phragmites australis (Cav.) Trin. ex Steud. in Saudi Arabia. Joint Agricultural Research and Development Project, University College of North Wales, Bangor, UK [and] Ministry of Agriculture and Water, Saudi Arabia (Publication 54): 6

Observations on the use of diaveridine/sulfaquinoxaline and trimethoprim/sulfaquinoxaline against Plasmodium juxtanucleare infections in chickens. Kajian Veterinar 10(1): 41-48

Observations on the use of etorphine alone and in combination with acepromazine maleate for immobilisation of aggressive Asian elephants (Elephas maximus). Veterinary Record 102(15): 339-340

Observations on the use of hycanthone in a split dosage in the treatment of Schistosomiasis mansoni. Egyptian Journal of Bilharziasis 1(2): 203-207

Observations on the use of inactivated foot and mouth disease vaccine in pregnant cows. Revista da Faculdade de Medicina Veterinaria e Zootecnia da Universidade de Sao Paulo 13(1): 209-211

Observations on the use of soil-acting herbicides in cereals in connection with the official testing of pesticides. Gesunde Pflanzen 27(11): 240-243

Observations on the use of sulfadoxine-pyrimethamine against Plasmodium juxtanucleare infections in chickens. Kajian Veterinar 9(1): 14-18

Observations on the use of the double diffusion test in the diagnosis of vaginal candidiasis. Journal of Clinical Pathology 30(3): 262-265

Observations on the vaccination of turkeys and chickens against pasteurellosis (fowl cholera) with inactivated autogenous bacterins. Refuah Veterinarith 33(3/4): 117-126

Observations on the vapourer moth (Orgyia antiqua L.) and its parasites. Anzeiger fur Schadlingskunde, Pflanzen und Umweltschutz 46(2): 24-30

Observations on the variable oak leaf caterpillar, Heterocampa manteo (Doubleday) (Lepidoptera: Notodontidae) in Maryland. Proceedings of the Entomological Society of Washington 79(3): 343-345

Observations on the vegetation and ecology of Poa violacea communities on Mount Ciucas. Lucrarile Gradinii Botanice din Bucaresti: 1973; 501-510

Observations on the vegetation of the alpine stage of Haute-Ubaye southern alps. Bulletin de la Societe Neuchateloise des Sciences Naturelles 98: 89-112

Observations on the vegetation of the island of Djerba (Southern Tunisia). 1. Introduction an and vegetation of the coastal sands. Bulletin de la Societe Royale de Botanique de Belgique 110(1-2): 217-227

Observations on the vertical distribution of Tylenchulus semipenetrans Cobb in volcanic soil. Nematologia Mediterranea 3(1): 43-47

Observations on the vertical distribution of soil Oribatei in a woodland soil. Transactions of the Royal Entomological Society 127(3): 259-275

Observations on the virulence of Entamoeba histolytica proceeding from an axenic medium and incubated with herpes simplex viruses. Sepulveda, B; Diamond, LS Editors Proceedings of the International Conference on amebiasis, organized by the Centro de Estudios sobre Amibiasis, Mexico City, 27-29 October, 1975: 146-157

Observations on the virulence of strains of Cryptococcus neoformans of animal and soil origin towards the mouse. Beollettino dell' Istituto Sieroterapico Milanese 56(4): 365-383

Observations on the wild oat (Avena fatua L.). Berichte aus dem Fachgebiet Herbologie der Universitat Hohenheim (10): 71