Wino 97 Wolff 



WINOWSKA, Mrs J. M.Sc. — Zakfad Anat. Porownawczej, Inst. Zool. 

 Uniw., ul. Sienkiewicza 21, WROCLAW. Poland, 

 a. Development of the air-bladder in the Teleost, Xiphophorus. (Fishes) 



WIRTH, Miss P. B.S. — Dept of Biol. Sci.. Univ. of Pittsburgh, PITTS- 

 BURGH 13. Pa, U.S.A. 



a. The stages and normal development of metamorphosing R. sylvatica 

 larvae under natural conditions. (Compared to animals grown in 

 "standard" laboratory environment) (Amphibia, Anuca) (in collaboration 

 with J. F. GENNARO Jr. and D. B. GOODMAN) 



b. The effect of X-irradiation on tail resorption in Anura. (Resorption of 

 tail irradiated entirely and in isolated areas) R. clamitans (in collabo- 

 ration with J. F. GENNARO Jr.) 



WISKONT, E. H. — Inst, of Histol. and Embryol. Med. Acad., GDANSK, 

 Poland, 

 a. Regeneration in Amphibians. The influence of inanition on that pheno- 

 menon, (in collaboration with S. HILLER and T. KROTKIEWICZ) 

 WISLOCKI, G. B. M.D., A.M., Prof. — Dept of Anat., Harvard Med. 

 School, 25, Shattuck Sir., BOSTON 15. Mass., U.S.A. 

 a. The cytology and histochemistry of the uterus and placenta. (Mammals) 

 WITSCHI, E. Ph.D.. Prof. — Dept of Zool., State Univ. of Iowa, IOWA 

 CITY, Iowa, U.S.A. 



a. Neoplastic development of overripe frog eggs. (Anurans) 



b. Metamorphosis of the amphibian ear. (Anurans) 



c. Nutritional conditions in the incubating bird's egg. 



WITTEK, Mile M. — Lab. d'Anat. et d'Embryol., Fac. de Med. de l'Univ., 

 97, Rue aux Laines, BRUXELLES, Belgique. 



a. Oogenesis and vitellogenesis of various Amphibians, (under direction 

 of J. PASTEELS) 



b. Oogenesis of Reptiles. Lacerta vivipara (under direction of J. PAS- 

 TEELS) 



WOELLWARTH, C. v. Dr Phil. — Heiligenberg-Inst. (Abtlg. Mangold), 

 (17b) HEILIGENBERG, Kreis Oberlingen/Bodensee, Deutschland 

 (Franzosische Zone), 

 a. Determination des Gehirns (Isolations- und Transplantations-experi- 

 mente). Triton (Amphibia) 



WOERDEMAN, M. W. M.D., D.Sc. (Oxon). Prof. — Anat.-Embryol. 

 Inst.. Univ. van Amsterdam. Mauritskade 61, AMSTERDAM O., Hol- 

 land. 



a. Lensregeneration. (Birds and Mammals) 



b. Induction in tissue cultures and potencies of cells in tissue culture. (Birds 

 and Mammals) 



c. Development of specific substances during induction and regeneration. 

 (Amphibia and Birds) 



WOLFF. Mme Em. Dr es Sc. — Lab. de Zool. de la Fac. des Sci. et Lab. 

 d'Embryol. et Teratol. exper. du C.N.R.S., Institut de Zool. et de Biol, 

 generale. 12, Rue de l'Universite, STRASBOURG. France, 

 a. Role des hormones dans la differenciation du sexe par les methodes 

 d'injections d'hormones et des castrations embryonnaires. Determination 

 des caracteres somatiques precoces — syrinx et tubercule genital — 

 du Canard. Anas boschas (Aves) (En collaboration avec Et. WOLFF) 



