Hur-Iwa 



HUREAU, J. Prof. — Lab. d'Anat.. Fac. de Med.. 45 Rue des Sts. Peres, 



PARIS Vie, France 

 a. Developpement du rein. Homo sapiens (Primates) 

 HUVER, C. W. B.S., M.S., Ph.D. — Dept. of Anat, Coll. of Med., Univ. of 



Illinois, 1853 W. Polk St., CHICAGO 12, 111., U.S.A. 



a. Cytology of fertilization. Fundulus heteroclitus, Catostomus commersonnii 

 (Teleostei) 



b. Mechanism of blastodisc formation; site and origin of blastodisc. (Teleostei) 



c. A chemical means of dechorionating eggs. Fundulus heteroclitus (Tele- 

 ostei) 



d. Hermaphroditism. Gasterosteus aculeatus (Teleostei) 



e. Sex differentiation. Anguilla bostoniensis (Teleostei) 



HYODO, Miss Y. B.Sc. — Div. of Biol., Nat. Inst, of Radiol. Sci., CHIBA, 

 Japan 



a. Change in radiation-sensitivity during embryonic development. Oryzias 

 latipes (Teleostei) (in collaboration with N. EGAMI) 



b. Embryology of endocrine organs. Oryzias latipes (Teleostei) (in collab- 

 oration with N. EGAMI) 



ICHIKAWA, A. M.Sc, D.Sc, Prof. — Dept. of Zool, Fac. of Sci., Hokkaido 

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



a. Development and life-history of Japanese forms. (Rhizocephala, and para- 

 sitic Isopoda; Crustacea) 



b. Regeneration. (Turbellaria) 



ICHIKAWA, M. D.Sc, M.I.I.E., Prof. — Lab. of Developmental Biol., Zool. 

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



a. Hormonal mechanism of metamorphosis. Philosamia cynthia ricini, Bom- 

 byx mod, Luehdorfia japonica (Lepidoptera) 



b. Purification of the brain hormone. Bombyx mod and other spp. (Lepi- 

 doptera) (in collaboration with H. ISHIZAKI) 



IGNATJEVA, Mrs. G. M. Cand.biol.sci. — Inst, of Animal Morphol., Acad, 

 of Sci. of the U.S.S.R., First Academic St. 12, MOSCOW V-133. 

 U.S.S.R. 



a. Regional induction capacities of the chorda-mesoderm. Huso huso, Aci- 

 penser giildenstadti, A. stellatus (Acipenseridae, Chondrostei) dela) 



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

 IKEDA, Miss M. M.A. — 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) 

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



Osaka Pref., Japan 

 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) 

 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) 



b. Protein biosynthesis. Paracentrotus lividus, Sphaerechinus granulans, 

 Echinus esculentus, Psammechinus miliaris (Echinoidea) 



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