Yamamoto - Z wi 



a. Studies on the fertilization. Limanda schrenki. Oncorhynchus keta 

 (Tclcostci) 



b. Studies on the formation of eggs. (Teleostei) 



YAMAMOTO, T. D.Sc, Prof. — Biol. Inst., Fac. of Sci., Nagoya Univ.. 

 Chigusa-Ku, NAGOYA. Japan 



a. On the mechanism of fertihzation and activation. Oryzias latipes (Telc' 

 ostci) 



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



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

 collaboration with T. HISHIDA and H. TOMITA) 



YANAGIMACHI, R. — Dept of Zool., Fac. of Sci., Hokkaido Univ.. 

 North 8. West 5. SAPPORO. Japan 

 a. Development and life-history of Japanese forms. (Rhizocephalia, Crusta- 

 cea) (in collaboration with A. ICHIKAWA) 



YANAI, T. Ph.D. — Dept of Biol., Shimanc Univ.. MATSUE, Shimane- 

 ken. Japan 



a. Comparative embryology of hatching gland. (Pisces and Amphibia) 



b. Experimental embryology of hatching gland. (Amphibia) 



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



Sinica, 865 Chang Ning Rd. SHANGHAI. China 

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



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



U.S.A. 



a. Induction and differentiation of ear ectoderm. Ambystoma punctatum 

 (Urodela) 



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



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

 (in collaboration with W. S. HAMMOND) 



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

 laboration with W. S. HAMMOND) 



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

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

 a. Reproduction as influenced by hypothyroidism and hyperthyroidism in 



both males and females. Cavia porcelhis (Rodentia) 

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

 ZAAIJER. Miss J. J. P. Ph.D. — Lab. for Cytol. and exper. Histol.. Fac. of 

 Med., Univ. of Leyden, Rijnsburgerweg 10. Boerhaavekwart.. LEIDEN. 

 Holland 

 a. Cartilage and bone formation i n v i t r o. Homo sapiens (Primates) 

 ZAHND. J. P. — Inst. d'Embryol., Fac. de Med., 1 Place de I'Hopital, 

 STRASBOURG, France 

 a. Developpement du squelette. Facteurs influencjant le developpement. 

 Anas (Aves) 

 ZELLER. Ch. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Zurich, 

 KiJnstlergasse 16, ZuRICH. Schweiz 

 a. Nucleic acids in merogonic hybrids. Triton (Urodela) 

 ZEUTHEN, E. Dr Phil. — Lab. of Zoophysiol.. Nat. Sci. Fac. Univ. of 

 Copenhagen. Juliane Mariesvej 32. COPENHAGEN 0. Denmark 

 a. Study with Cartesian divers of mitotic rhythm in oxygen uptake and in 

 carbon dioxide output during cleavage period. (Echinoidea) 



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