Woo-Yam 



a. Tissue homotransplantation (skin, internal organs, embryonic tissues) 

 Triturus viridescens (Urodela) 



b. Effect of anti-metabolites and antibiotics (especially actinomycin) on 

 development and regeneration. Paracentrotus lividus, Arbacia punctu- 

 lata (Echinoidea), Triturus viridescens, Rana pipiens (Amphibia) 



c. The effect of X-ray and long wave ultraviolet irradiation of gametes, 

 alone and in combination with actinomycin treatment, on early develop- 

 ment and regeneration. Arbacia punctulata, Lytechinus pictus, Diadema 

 atra (Echinoidea), Triturus viridescens, Rana pipiens (Amphibia) 



d. A re-investigation of the influence of neurogenesis on the development 

 of the compound eye. Bomyx mori (Lepidoptera) 



WOOLLAM, D. H. M. M.A., M.D., Sc.D. — Anat. School, Univ. of Cam- 

 bridge, CAMBRIDGE. England 

 a. Teratology. (Mammalia) 



WOYKE, J. Dr., Dozent habil. — Bee Lab., Agricultural Coll., Ursynow, 

 WARSZAWA 25, Poland 

 a. Developmental genetics; sex determination and development of diploid 

 drones. Apis mellifica (Hymenoptera) 

 WRATHALL, A. E. B.Sc, M.C.V.S. — A.R.C. Poultry Research Centre, 

 Kings Buildings, West Mains Rd.. EDINBURGH 9, Scotland 

 a. Analysis of chemically induced abnormahties in development. (Aves) 



WRBA, H. Dr.med., Dr.rer.nat., Prof. — Inst, fiir exp. Pathol, Deutsches 

 Krebsforschungszentrum, Stiftung des Offenthchen Rechts, Berliner 

 Str. 29, 69 HEIDELBERG, Deutsche Bundesrepublik 



a. Stof fwechsel in vitro. (Rodentia) 



b. Eihautbildung und Differenzierung in vitro. (Rodentia) 



c. Heterotransplantation von Tumoren. (Rodentia) 



d. Missbildungen explantierter Keime. (Rodentia) 



WROBLEWSKI, R. Dr.med., Prof. — Dept. of Gener. Biol., Silesian Acad. 



of Med., Rokitnica, ZABRZE 8, Poland 

 a. Regeneration of the thyroid gland. Cavia cobaya (Rodentia) 

 h. Cytological and histochemical investigations on the regenerating tail. 



Xenopus laevis (Anura) 



WU, Ching-Keong B.Sc. — Dept. of Anat. and Histol., Univ. of Adelaide, 

 ADELAIDE, S. Austr., Australia 

 a. Homografting of foetal tissues (experimental morphology). Rattus rat- 

 tus albinus (Rodentia) 



WURMBACH, H. Dr., Prof. — Entwicklungsgeschichtl.Abt.. Zool. Inst, der 

 Univ., Poppelsdorfer Schloss, 53 BONN, Deutsche Bundesrepublik 



a. Beeinflussung des Wachstums und der Differenzierung durch Wirk- 

 stoffe (Schilddrijsenhormon, Steroide, Thymuswirkstoffe). Lebistes 

 spec, Xenopus laevis, Bufo bufo, Gallus domesticus (Vertebrata) 



b. Formbildende Krafte beim Wachstum (Wachstumsdynamik); formbil- 

 dende Bedeutung der Gewebe. Bufo spec, Xenopus laevis (Anura), 

 Gallus domesticus (Aves) 



WYATT. G. R. B.A.. Ph.D.. Prof. — Dept. of Biol. Gibbs Research Lab.. 

 Yale Univ., NEW HAVEN 11, Conn., U.S.A. 



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