Wengcr-Wit 



b. Histochcmical patterns associated with the central nervous system in 

 developmental behaviour. Ambijstoma macidatum (Urodela) (in colla- 

 boration with P. G. ROOFE and L. KELLER) 

 d. Histochcmical localization of glycogen associated with the central nervous 

 system in developmental behaviour. Ambystorna maculatiim (Urodela) 

 (in collaboration with P. G. ROOFE and L. JANOSKY) 

 WENIGER. J. P. — Lab. de Zool.. Inst, de Zool. et de Biol. gen.. Fac. des 

 Sci., 12 Rue de I'Universite, STRASBOURG, France 

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

 fercntes en culture in vitro; gonades. intestin. (Aues, Mammalia) 

 WESTHUIZEN, C. M. v. d. M.Sc. — Zool. Inst.. Univ. of Stellenbosch. 

 STELLENBOSCH. South Africa, 

 a. Ontogenesis of the skull. Heleophryne purcelli (Aniira) 

 WEY— SCHUfi. Mrs M. Lie. es Sci. — Lab. de Zool., Inst, de Zool. et de 

 Biol. gen.. Fac. des Sci.. 12 Rue de I'Universite. STRASBOURG, France 



a. Problemes relatifs a I'origine des cellules de regeneration. Triturus 

 (Urodela) 



b. Probleme de la reduction de la taille et du nombre de doigts du membre 

 posterieur de I'embryon, sous I'influence des rayons X. Gallus domesticus 

 (Aves) 



WHITING. H. P. M.A.. Ph. D. — Dept of Zool.. The Univ.. BRISTOL 8. 

 England (U.K.) 

 a. Development of the nervous system and behaviour pattern. Scyllio- 

 rhinus canicula, Petromyzon fluviatilis. Salmo spp. (Pisces) (in collabo- 

 ration with J. E. HARRIS) 



WICKLUND, Miss E. W. Ph. lie. — Wenner-Grens Inst, for experim. 

 Biol., Norrtullsgatan 16, STOCKHOLM Va., Sweden 



WILDE. Jr.. C. E. A.B., A.M.. Ph.D. — Dept of Pathol.. School of Den- 

 tistry. Univ. of Pennsylvania. PHILADELPHIA 4, Pa. U.S.A. 



a. Organogenesis in vitro (limb bud. gills, cranial neural crest). Am- 

 by stoma maculatum (Shaw) (Urodela) 



b. Cellular differentiation (pigment cell, ectomesenchyme). Ambystorna 

 maculatum (Shaw) (Urodela) 



1. causal biochemistry of cellular differentiation. 



2. differentiation of cytoplasmic fragments. 



WILENS. Miss S. W. A.B. — Osborn Zool. Lab.. Yale Univ.. NEW 



HAVEN 11. Conn.. U.S.A. 

 a. The movements of the endoderm in early stages studied with the use of 



vital dyes. (Urodela) 

 WILLIAMS, C. M. Prof. — Biol. Lab., Harvard Univ., Divinity Ave. 



CAMBRIDGE 38, Mass., U.S.A. 

 WILLIAMS. R. G. A.B., M.S., M.D.. Prof. — Dept of Anat.. School of 



Med.. Univ. of Pennsylvania. PHILADELPHIA 4. Pa. U.S.A. 

 WILLIAMS, S. C. B.S., Ph.D. — Dept of Anat., School of Med., Univ. of 



Pennsylvania. PHILADELPHIA 4. Pa. U.S.A. 

 a. Tissue culture of young isolated neuroblasts from special areas of brain, 



esp. cerebellum, medulla. Gallus domesticus (Aves) 

 WILLIER. B. H. F.I.I.E.. B.S.. Ph.D., Sc.D., Prof. — Dept of Biol.. The 



Johns Hopkins Univ.. Charles and 34th Sts, BALTIMORE 18. Md, 



U.S.A. 



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