Veneziano-Wal 



c. The effects of respiratory inhibitors on spina bifida. Gallus domesticus 

 (Aves) 



d. Transplantation of neural tube to different levels of the midline axis. Gal" 

 lus domesticus (Aves) 



e. The local effect of thyroxin on transplanted pancreas in vivo. Rana 

 sylvatica (Anura) 



f. The effect of enheptin on testis and ovary formation. Gallus domesticus 

 (Aves) 



g. Alpha-lipoic acid as a growth factor in embryos. Gallus domesticus 

 (Aves) 



VENZKE, W. G. D.V.M., M.Sc, Ph.D. — Dept. of Veter. Anat., Ohio 

 State Univ., COLUMBUS 10, Ohio, U.S.A. 



a. Morphogenesis and physiology of pineal gland. (Aves) 



b. Morphogenesis and physiology of blood. (Aves) 



c. Experimental morphology of pineal gland. (Bovidae, Mammalia) 

 VERDONK, N. H. M.Sc — Zool. Lab. der Rijks Univ., Janskerkhof 3, 



UTRECHT, Holland 



a. Cell-lineage and head-pattern in normal and Li-treated embryos. Lim- 

 naea stagnalis (Gastropoda) 



b. Cell-lineage and head-pattern in heat-shock treated embryos. Limnaea 

 stagnalis (Gastropoda) (in collaboration with Chr. P. RAVEN) 



VEREJSKAJA, Miss V. N. Cand.Biol.Sci. — Inst, of Animal Morphol. of 

 the Acad, of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW V-71, 

 U.S.S.R. 



a. Influence of high temperature on developmental processes. Bombyx mod 

 (Lepidoptera) 



b. Analysis of sterilizing effect of sublethal high temperatures on eggs 

 infected with Nosema bombycis. Bombyx mod (Lepidoptera) (in colla- 

 boration with Mrs. T. A. BEDNJAKOVA) 



c Induction of amphidiploidy in interspecific hybrids. Bombyx mod, B. 

 mandarina (Lepidoptera) (in collaboration with B. L. ASTAUROV) 



VERWOERD, C. D. A. — Div. of exp. Morphol., Anat.-Embryol. Inst., Mu- 

 nicipal Univ. of Amsterdam, Mauritskade 61, AMSTERDAM O, Hol- 

 land 

 a. Effect of X-rays on the pattern of nucleic acids in the regenerate. Am~ 

 by stoma mexicanum (Urodela) (in collaboration with H. A. L. TRAM- 

 PUSCH) 



VIGH, B. Dr. — Inst, of Histol. and Embryol., Med. Univ., Tuzolto u. 58, 

 BUDAPEST IX, Hungary 

 a. Investigation of eye-lens regeneration. Pleurodeles Waltlii (Urodela) 



VILLAFRANCA, G. W. de Ph.D. — Dept. of Zool., Smith Coll., NORT- 

 HAMPTON, Mass., U.S.A. 



VIVIEN, J. H. Dr. es Sci., Prof. — Lab. de Zool. et d'Embryol. exper., Inst, 

 de Zool. et de Biol, gener., 12 Rue de l'Universite, STRASBOURG, 

 France 



a. Morphogenese des gonades et du tractus genital. (Selachii; Teleostei) 

 (en collaboration avec J. J. THIEBOLD et Th. MOHSEN) 



b. Morphogenese et physiologie embryonnaire des glandes endocrines. (Se- 

 lachii; Teleostei; Amphibia) (en collaboration avec Miss J. SCHOTT et 

 Miss D. HAY) 



128 



