a Fruiting body initiation and development: 1. role of self -inhibitory compounds; 2. factors con- 

 trolling initiation in axenic culture (pH, temperature, C02, nutrient limitation); 3. effect of 

 metabolic inhibitors, including fungicides, on morphogenesis; 4. nutrient requirements and 

 development of a defined medium for fruiting. Agaricus bisporus (Fungi) 

 b Changes in activity of extracellular enzymes during development, particularly oxidases and 



cellulases. Same species as a 

 c Intracellular proteases: change in activity during life cycle; role in morphogenesis; lignin degrada- 

 tion. Same species as a 



d Fruiting initiation, nutrient effects; changes in extracellular enzymes and volatile compounds 

 during fruiting. Agaricus bitorquis, Pleurotus ostreatus, Schizophyllum commune (Basidio- 

 mycetes, Fungi) 

 WOODING, F. B. P.; Ph.D. - A.R.C. Inst, of Anim. Physiol., Babraham, CAMBRIDGE CB2 4AT, 

 England . 



a Role of binucleate cells in placenta (electron microscopy, autoradiography). Ovis aries. Bos 

 taurus (Artiodactyla) ^ 



WOOLLAM, D. H. M.; M.D., Sc.D., F.R.CJ. - Anat. School, Univ. of Cambridge, Downing St., 

 CAMBRIDGE CB2 3DY, England 



a Mechanics and treatment of hydrocephalus. Oryctolagus cuniculus (Lagomorpha), Homo sapiens 

 (Primates) 



b Investigation on reasons for malfunction of Spitz -Holter valve 



c Ciicum ventricular organs and Reissner's fibre. (Mammalia) 



d Teratology , especially effects of alcohol and drugs. (Mammalia) 



e Scanning electron microscopy study of and production of atlases of normal and abnormal devel- 

 opment. (Mammalia) 



f Retrospective study of parents of undiagnosed cases of mental defect to determine whether 

 maternal alcohoUsm in the early stages of human pregnancy is in fact the third commonest cause 

 of mental defect. Homo sapiens (Primates) a „ o^ a «; a i -> 



WOYKE, J.; Dr.habil., Prof. - Bee Div., Agric Univ., Nowoursynowska 166, 02-766 WARSZAWA 13, 

 Poland . 



a Developmental genetics; sex determination and development of diploid drones. Apis mellitera 

 (Hymenoptera) 



b Development of reproductive organs and spermatogenesis of diploid drones (larval and pupal 

 stage). Same species as a 



c Polyploidization of tissues during development of haploid and diploid drones and ot queens and 

 workers. Same species as a 



d Developmental genetics. Apis cerana (Hymenoptera) 



e Comparative study of embryonic development and hatching. Apis florea, A. cerana indica, A. 

 dorsata (Hymenoptera) 



f Developmental genetics; survival rate of brood produced by laying workers, sex of larvae, con- 

 nection with sex determination and thelytoky. Same species as a 



WRBA, H.; Dr.med., Dr.rer.nat., Prof. - Inst, fur Krebsforsch., Univ. Wien, Borschkegasse 8a, Post- 

 fa'ch 72, 1090 WIEN, Austria 



a Heterotransplantation. (Rodentia) 



b Diaplacentare Carcinogenese. (Rodentia) 



WROBLEWSKI R ; Dr.med., Prof. - Dept. of Gen. Biol., Inst, of Biol, and Morphol., Silesian Acad, 

 of Med.,ul.K.Marksa 19,41-808 ZABRZE, Poland 



WUHRMANN, P.; Dr.chem. - Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberg, 8093 

 ZURICH, Switzerland 



a Ion determination. (Chironomidae, Dip tera) ^^-,« r.^^itiTii* 



WURM, F.; Dipl.biol. - Abt. Biol., Arb.gr. Entw.physiol. der Tiere, Ruhr Univ., 4630 BOCHUM, 

 B.R.D. (Germany) 



a Isolation of gene transcripts of the W-chromosome. Ephestia kuehniella (Lepidoptera) 



b Isolation of the W-chromosome and/or its DNA. Same species as a 



WURSTER, B.; Dr.rer.nat. - Fachber. Biol., Univ., Postfach 7733, 7750 KONSTANZ, B.R.D. 

 (Germany) . . 



a Stimulation of cell development by chemical signals; signal processing, chemotaxis, oscillations. 

 Dictyostelium discoideum,Polysphondylium violaceum (Acrasiales) 



WYLIE, C. C; Ph.D. - Dept. of Struct. Biol., St.George's Hosp. Med. School, Cranmer Terrace, 

 LONDON SWl 7 ORE, England 



a RNA and DNA metabolism during oogenesis and in early embryos. Gallus domesticus (Aves) 



b Differentiation of primordial germ cells. Xenopus laevis (Anura) 



c Ontogeny of proteins in early embryos. Same species as b 



WYSS, Ch.; PhD. - Inst, of Cell Biol., Swiss Fed. Inst, of Technol., Honggerberg, 8093 ZURICH, 

 Switzerland 



a Somatic cell genetics. Drosophila spec. (Diptera) 



WYSS U R ; Dr., Prof. - Lehrgeb. Entomol. und Okol., Inst, fur Pflanzenkrankh. und Ptlanzen- 

 schutz, Univ.,'Herrenhauser Str. 2, 3000 HANNOVER 21, B.R.D. (Germany) 



a Film analysis of embryonic development, especially cleavage pattern and hatching behaviour. 

 Trichodorus similis, Longidorus elongatus (Nematoda) 



YACOB, A. Y.;M.Sc. - Unit Devi. Biol., Dept. of Zool., Univ. Coll., Belfield, Stillorgan Rd., DUBLIN 

 4, Ireland 



YAMADA, T.; D.Sc, Prof. - Unite de Biol, du Devel., Inst. Suisse de Rech. Exp. sur le Cancer, 

 ch.Boveresses, 1066 EPALINGES, Switzerland 



a Factors controlUng dedifferentiation and redifferentiation of cultured iris epithelial cells, studied 



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