Ike-Iwa 



b. Dynamics of gastrulation movements. (Acipenseridae, Chondrostei; 

 Urodela) 

 IKEDA, Miss M. Ph.D. — Embryol. Section, Dept. of Biol., Fac. of Sci.. 

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



a. UV-irradiation and SH radicals in eggs. Hemicentrotus pulcherrimus 

 (Echinoidea) 



b. Protein-synthesis in synchronized cultures. Tetrahymena spec. (Holo- 

 t rich a, Ciliata) 



IKUSHIMA, N. D.Sc. — Biol. Lab., Kansai Med. School, HIRAKATA, 

 Osaka Pref., Japan 

 a. Mechanism of gastrulation (experimental morphology). Hynobius spec, 

 Triturus spec. (Urodela) 

 IMAIZUMI, T. D.Sc. — Zool. Inst, Fac. of Sci., Univ. of Kyoto. Sakyo- 

 ku, KYOTO, Japan 

 a. Studies on the hereditary lethals. Drosophila spec. (Diptera) 

 IMBERSKI, R. — Dept. of Biol., Johns Hopkins Univ., Charles and 34th Sts, 

 BALTIMORE, Md. 21218, U.S.A. 

 a. Regulation of macromolecular synthesis. Drosophila spec. (Diptera) 

 IMMERS, J. Fil.Dr. — Wenner-Gren's Inst, for exper. Biol., Norrtullsgatan 

 16, STOCKHOLM Va., Sweden 

 a. Biochemical factors in development, particularly the role of mucopoly- 

 saccharides. (Echinoidea) 

 h. Protein biosynthesis. Paracentrotus lividus, Sphaerechinus granularis. 

 Echinus esculentus, Psammechinus miliaris (Echinoidea) 

 INCE. Miss F. E. M.Sc. — Dept. of Zool.. Bedford Coll., Regent's Park. 

 LONDON N.W.I, England 

 (no embryological work in progress) 

 INGEN, Miss H. C. van Med.Drs. — Anat.-Embryol. Lab.. Fac. of Med, 

 State Univ. of Leiden, Wassenaarseweg. Boerhaavekwartier, LEIDEN, 

 Netherlands 

 INOUE, S. D.Sc. — Dept. of Comp. Endocrinol., Inst, of Endocrinol., Gun- 

 ma Univ., Showa-Machi, MAEBASHI, Japan 



a. Regeneration with special reference to nerve (histology, histochemistry, 

 electronmicroscopy, radioautography). Cambarus clarkii (Decapoda, 

 Crustacea), Triturus pyrrhogaster, T. viridescens (Urodela) 



b. Spontaneous tumorous diseases. Triturus pyrrhogaster, T. viridescens 

 (Urodela) 



ISHIDA. J. Dr.Sci.. M.I.I.E. — Zool. Inst.. Fac. of Sci.. Tokyo Univ., Bun- 



kyo-ku. TOKYO. Japan 

 ISHIHARA. K. M.Sc. Dr.Sc — Dept. of Biochem.. Boston Univ. School of 



Med.. BOSTON 18. Mass.. U.S.A. 

 ISHIKAWA, M. M.A., D.Sc. — Marine Biol. Station. Nagoya Univ.. Suga- 



shima-cho. TOBA. Mie-ken, Japan 

 a. Physiological studies on fertilization and artificial parthenogenesis. 



Hemicentrotus pulcherrimus, Pseudocentrotus depressus (Echinoidea) 



(in collaboration with M. SUGIYAMA) 

 ISHIZAKI. H. D.Sc. — Lab. of Developmental Biol.. Zool. Inst., Fac. of 



Sci., Univ. of Kyoto, KYOTO. Japan 

 a. Extraction and purification of the brain hormone. Bomhyx mori (Le- 



pidoptera) (in collaboration with M. ICHIKAWA) 



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