Yamada 96 Zaa 



c. Regional induction by some fractions of adult tissue tested on the 

 isolated ectoderm. Triturus pyrrhogaster (Urodela) 



d. Behaviour of some phosphorous compounds in developing embryos, 

 studied quantitatively. (Amphibia) (in collaboration with K. TAKATA) 



e. Significance of glycogen utilization in developing embryos, studied 

 quantitatively. (Amphibia) (in collaboration with S. OSAWA) 



YAMAMOTO, K. Rigakushi (M.S.). Asst Prof. — Akkeshi Marine Biol. 

 Stat., Hokkaido Univ., AKKESHI, Japan, (attached to the Sci. Fac. of 

 Hokkaido Univ.) 

 a. Study on the fertilization. Limandra schrenki, Oncorhynchus keta (Te- 



leostei) 

 h. Study on the fertilization. Venerupis philippinatum (Bivalvia, MoU 

 lusca) 

 YAMAMOTO, T. DrSc. Prof. — Biol. Inst., Fac. Sci., Nagoya Univ., 

 Chigusa-Ku, NAGOYA, Japan, 

 a. On the mechanism of fertilization and activation. Otyzias latipes (Te- 



leostei) 

 h. Experimental analysis of the development of sexual characters. Oryzias 



latipes (Teleostei) 

 c. Experimental sex-reversal in the genetic males. Oryzias latipes (Te- 

 leostei) 

 YANAGIMACHI, R. Rigakushi (M.S.) — Zool. Inst.. Fac. of Sci., 

 Hokkaido Univ., North 8. West 5, SAPPORO, Japan, 

 a. Experimental analysis of fertilization process. Clupea pallasii C. & V. 

 (Teleostei) (in collaboration with Y. KANOH) 

 YANG FU YU B.Sc. — Lab. for Developm. Physiol., Inst, of Exper. Biol., 

 Acad. Sinica, 865 Chang Ning Rd, SHANGHAI, China, 

 (no data received on Nov. 1^*, 1952) 

 YAO T. Ph.D. — Lab. of Developm. Physiol., Inst, for Exper. Biol.. Acad. 

 Sinica, 865 Chang Ning Rd. SHANGHAI, China, 

 (no data received on Nov. l^S 1952) 

 YASHIKA, K. — Lab. of Embryol. and Exp. Morphol., Zool. Inst., Dept 

 of Sci., Kyoto Univ., KYOTO, Japan, 

 a. Hormonal mechanism of metamorphosis. Bombyx mod, Luehdorfia japo- 

 nica (Lepidoptera) and Lucillia (Diptera) 

 YNTEMA, C. L. F.I.I.E.. Ph.D.. Prof. — Dept of Anat., School of Med., 

 State Univ. of New York, SYRACUSE 10, N.Y., U.S.A. 



a. Induction and differentiation of ear ectoderm. Ambystoma punctatum 



b. Regeneration of aneural limbs. Ambystoma punctatum (Urodela) 



c. Development of autonomic nervous system. Gallus domesticus (Aves) 

 (in collaboration with W. S. HAMMOND) 



d. Effect of sulfa drugs on the embryo. Mus musculus (Rodentia) (in 

 collaboration with W. S. HAMMOND) 



YOUNG, W. C. Ph.D., Prof. — Dept of Anat., Univ. of Kansas, Med. 

 School, LAWRENCE, Kan.. U.S.A. 

 a. Reproduction as influenced by hypothyroidism and hyperthyroidism in 



both males and females. Cavia porcellus (Rodentia) 

 h. Sexual behavior in the male. Cavia porcellus (Rodentia) 

 ZAAIJER. Miss J. J. P. M.Sc. — Lab. for Exper. Histol., Fac. of Med., 

 Univ. of Leyden, Wassenaarseweg, Boerhaavekwartier, LEIDEN, 

 Holland. 



