Yam-Zeu 



YAMAGAMI, K. B.Sc, M.A. — Biol. Inst., Coll. of Gener. Education, Univ. 



of Tokyo, Komaba, Meguro-ku, TOKYO, Japan 

 a. Phosphorus metabolism in eggs (embryonic nutrition of phosphorus during 



development). Oryzias latipes, Salmo spec. (Teleostei) 

 YAMAMOTO, K. M.Sc, D.Sc, M.I.I.E., Prof. — Lab. of Fresh-water Fish 



Culture, Dept. of Biol., Fac. of Fisheries, Hokkaido Univ., HAKODATE, 



Japan 



a. Histo-physiological studies of oogenesis. (Teleostei) 



b. Electron microscopical studies of oogenesis. (Teleostei) 



c. Studies on the hormones of reproduction. (Teleostei) 

 YAMAMOTO, T. D.Sc, M.I.I.E., Prof. — Biol. Inst., Fac. of Sci.. Nagoya 



Univ., Chikusa-ku, NAGOYA, Japan 



a. On the mechanism of fertilization and activation. Oryzias latipes (Tele- 

 ostei) 



b. Artificial induction of functional sex-reversal. Oryzias latipes (Teleostei) 



c. Melanin formation in color phenotypes. Oryzias latipes (Teleostei) (in 

 collaboration with H. TOMITA) 



d. Developmental genetics. Oryzias latipes (Teleostei) 

 YAMAMOTO, T. S. M.Sc, D.Sc. — Dept. of Zool.. Fac. of Sci., Hokkaido 



Univ., NORTH 8, West 5, SAPPORO, Japan 

 a. Cytochemical investigation on development. (Teleostei) (in collaboration 

 withY. KANOH) 

 YAMANA, K. M.Sc, D.Sc. — Dept. of Biol., Fac. of Sci., Kyushu Univ., 

 FUKUOKA, Japan 



a. Two kinds of RNA in embryos and cancer tissues. (Amphibia; Mammalia) 



b. Biochemical investigation on induction mechanism. Tciturus pyrrhogaster 

 (Urodela) 



YANAGIMACHI, R. Ph.D. — Worcester Foundation for Exp. Biol., 222 

 Maple Avenue, SHREWSBURY, Mass., U.S.A. 



a. Ovulation, fertilization. Mesocricetus auratus (Rodentia) 



b. Sex determination. Pettogasterella gracilis, Sacculina senta (Rhizocepha- 

 la, Crustacea) 



YANAGISAWA, T. — Embryol. Section. Dept. of Biol., Fac. of Sci., Tokyo 



Metropolitan Univ., Setagaya-ku, TOKYO, Japan 

 YASUMASU, I. B.Sc, D.Sc. — Biol. Inst., Coll. of Gener. Education. Univ. 



of Tokyo, Komaba, Meguro-ku, TOKYO, Japan 

 a. Biochemical studies on differentiation. (Echinoidea) 

 YAZAKI. Miss I. M.A. — Embryol. Section, Dept. of Biol., Fac. of Sci., 



Tokyo Metropolitan Univ., Setagaya-ku, TOKYO, Japan 

 a. Physical studies on the contractile proteins from eggs. Hemicenttotus 



pulcherrimus (Echinoidea) 

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



State Univ. of New York, 766 Irving Ave.. SYRACUSE 10, N.Y., 



U.S.A. 



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



b. Development of the visceral skeleton. Gallus domesticus (Aves) (in col- 

 laboration with W. S. HAMMOND) 



c Stages in embryonic development. Chelydra serpentina (Chelonia) 

 YONEDA, M. — Embryol. Section, Dept. of Biol., Fac. of Sci., Tokyo Metro- 

 politan Univ., Setagaya-ku, TOKYO, Japan 

 a. Mechanical properties of egg cells during cleavage. (Echinodermata) 



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