a. Histochemical studies on development. Melasoma populi (Coleoptera) (in 

 collaboration with Cz. JURA and A. KRZYSTOFOWICZ) 



b. Spermatogenesis. Quadraspidiotus ostraeformis (Homoptera, Rhyncho- 

 ta) 



WEGMANN, R. — Inst. Histochimie Med., Fac. de Med., 45 Rue des Sts. 



Peres, PARIS Vie, France 

 a. Enzymology and metabolic pathways of morphogenesis. 

 WEHRMAKER, A. Dr.rer.nat. — Heiligenberg-Inst., HEILIGENBERG 



7799, Baden, Deutsche Bundesrepublik 

 WEISHEIT (SCHULTZ), Mrs. P. J. B.A., M.S., Ph.D. — Dept. of Biol., 



Univ. of Colorado, Denver Center, 1100 14th St., DENVER, Colo., U.S.A 



a. Ultrastructure of embryos. Mus norvegicus albinus (Rodentia) 



b. Normal and abnormal protein formation in the embryo. Mus norvegicus 

 albinus (Rodentia) 



WEISS, P. A. Ph.D., M.D.(Hon.c), F.I.I.E., Prof. — Dept. of developm. 



Biol., Rockefeller Inst, for Med. Res., 66th St. and York Ave., NEW 



YORK 21, N.Y., U.S.A. 

 WEISS, R. A. B.Sc. — Dept. of Anat. and Embryol., Univ. Coll. London, 



Gower St., LONDON W.C. 1, England 

 a. Investigations of the morphology and behaviour of fibroblasts and their 



transformation in vitro by infection with Rous sarcoma virus. Gallus 



domesticus (Aves) 

 WEISZ, P. B. B.S., Ph.D. — Arnold Biol. Lab., Brown Univ., PROVIDENCE 



12, R.I., U.S.A. 



a. Study of morphogenesis. Stentor spec, Blepharisma spec. (Ciliata) 



b. Study of cell division. Stentor spec. (Ciliata), Rana pipiens (Anura), 

 Mus norvegicus albinus (Rodentia) 



WELANDER, A. D. B.S., M.S., Ph.D., Prof. — Coll. of Fisheries, Univ. of 

 Washington, SEATTLE 5, Wash., U.S.A. 



a. Effects of graded sublethal doses of X-rays on several different stages of 

 the embryo. Oncorhynchus kisutch, O. tshawytscha, Salmo gairdnevii 

 (Teleostei) 



b. Experimental embryology. Salmo gairdnerii, Oncorhynchus kisutch, O. 

 tshawytscha (Teleostei) 



WELLS, L. J. Ph.D., M.I.I.E., Prof. — Dept. of Anat., School of Med., Univ. 

 of Minnesota, MINNEAPOLIS 14, Minn.. U.S.A. 



a. Growth of fetal pancreas in vitro. Mus musculus (Rodentia) 



b. Pregnancy and experimental diabetes. Rattus norvegicus (Rodentia) 

 WENDER, M. B. M.D. — Neurol. Clinic, Med. Acad., ul.Przybyszewskiego 



49, POZNAN, Poland 



a. The chemical composition of developing nervous tissue, with special refer- 

 ence to the period of myelination. 



b. The influence of ionizing radiation on developing nervous system. 

 WENGER, B. S. B.S., M.S., Ph.D. — Dept. of Anat., Med. School, Univ. of 



Kansas, LAWRENCE, Kansas, U.S.A. 

 WENGER, Mrs. E. L. B.A., M.A., Ph.D. — Dept. of Anat., Med. School, 



Univ. of Kansas, LAWRENCE, Kansas, U.S.A. 

 WENIGER, J. P. Dr. es Sci. — Lab. de Zool. et d'Embryol. exper., Inst, de 



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

 a. Associations d'organes embryonnaires de meme espece et d'especes dif- 



ferentes en culture in vitro; gonades, intestin. (Aves; Mammalia) 



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