Vas-Vog 



VASSETZKY S. G. — Inst, of Animal Morphol., Acad, of Sci. of the 

 U.S.S.R., VavUov St. 12, MOSCOW V-133, U.S.S.R. 

 a. Thermosensibility of oocytes and eggs during metaphases of matura- 

 tion and cleavage divisions. Acipenser giildenstadti, A. stellatus (Chon- 

 drostei) , Misgurnus fossilis (Cobitidae, Teleostei) 



VAUPEL. M. R. A.B.. Ph.D. — Dept. of Anat., Tulane Univ., NEW OR- 

 LEANS 18, La., U.S.A. 



VENEZIANO, P. P. M.S., Ph.D. — Dept. of Biol., Illinois Inst, of Technol., 

 CHICAGO 16, III, U.S.A. 



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

 State Univ., 1900 Coffey Rd., 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. Ph.D. — Zool. Lab., State Univ. of Utrecht, Janskerk- 



hof 3, UTRECHT, Netheriands 



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

 naea stagnalis (Gastropoda) 



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

 stagnalis (Gastropoda) 



c. Determination of bilateral symmetry in the head region. Limnaea stag- 

 nalis (Gastropoda) 

 VEREJSKAYA, Miss V. N. Cand.biol.sci. — Filatov Lab. of Exp. Embry- 

 ol., Inst, of Animal Morphol., Acad, of Sci. of the U.S.S.R., Vavilov 

 St. 12-a, MOSCOW V-133, U.S.S.R. 



a. Cytology and cytogenetics of experimental polyploids in two species and 

 in their hybrids; male meiosis and spermatogenesis; egg maturation; 

 embryogenesis. Bombyx mod, B. mandarina (Lepidoptera) 



b. Induction of amphidiploidy in interspecific hybrids. Bombyx mori, B. 

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



VERHOFSTAD, A. J. Med.Drs. — Lab. for Anat. and Embryol., R. K. 



Univ., Kapittelweg 40, NIJMEGEN, Netherlands 

 a. Differentiation of epinephrine- and nor-epinephrine-containing cells in 



the adrenal medulla, studied by histochemical methods. Mus rattus 



(Rodentia) 

 VERNET, G. — Lab. de Biol, gener., Fac. des Sci., B.P.347, REIMS 



(Mame), France 



a. Regeneration of the eyes. Lineus ruber (Anopla, Nemertini) 



b. Activity of the brain during regeneraton of the eyes. Lineus ruber 

 (Anopla, Nemertini) 



c. Action of phenylthiourea on the regeneration of the eyes. Lineus ruber 

 (Anopla, Nemertini) 



VERNON, G. A. Dr. — Dept. of Chemistry, Univ. Coll. London, Gower 



St., LONDON W.C.I, England 

 a. The study of various proteins in the growth of cells in tissue culture. 



Gallus domesticus (Aves) (in collaboration with D. V. BANTHORPE, 



B. BANKS, and Miss D. M. LAMONT) 

 VERWOERD. C. D. A. Med.drs. — Div. of exper.Morphol., Dept. of Anat. 



and Embryol., Univ. of Amsterdam, Mauritskade 61, AMSTERDAM 



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