HUNT, Miss D. M. B.A., — Worcester Foundation for Exp.Biol.. 222 

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

 a. Fertilization in vivo and in vitro, gonadogenesis, and irradia- 

 tional effects on early embryological stages (morphology and physio- 

 logy). Oryctolagus cuniculus, Lepus americanus, Sylvilagus transitio- 

 nalis (Lagomorpha) , Cavia porcellus. Mus musculus, Rattus rattus, 

 Mustela furio, Mesocricetus auratus, (Rodentia) 



HUNT, E. L. Ph.D., Prof. — Dept. of Biol., Emory Univ., ATLANTA 22, 

 Ga., U.S.A. 



a. Studies on the estrus cycle and gestation in alloxan-diabetic animals. 

 Rattus norvegicus (Rodentia) 



b. Developmental pathology of the endocrine pancreas. Gallus domesticus 

 (Aues) 



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., Prof. — Dept. of ZooL, Coll. of Biol. 



Sci., Univ. of Minnesota, MINNEAPOLIS, Minn. 55455, U.S.A. 



a. Cytology of fertilization. Fundulus heteroclitus (Teleostei) 



b. Mechanism of blastodisc formation; site and origin of blastodisc. (Tele- 

 ostei) 



c. Sex differentiation. Anguilla bostoniensis (Teleostei) 



d. Hermaphroditism. Gasterosteus aculeatus (Teleostei) 



e. Cytochemistry of spermatogenesis. Fundulus diaphanus (Teleostei) 



f. Growth. Perca flavescens (Teleostei) 



g. Chromosome numbers. Fundulus heteroclitus, F. diaphanus (Teleostei) 

 HYODO, Miss Y. B.Sc. — Div. of Biol, Nat. Inst, of Radiol. Scis., Anaga- 



wa 4-9, 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 col- 

 laboration with N. EGAMI) 



c. Change in radiosensitivity of germ cells during embryonic development. 

 Oryzias latipes (Teleostei) 



d. Embryology of reproductive organs. Oryzias latipes (Teleostei) 

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

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



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



parasitic Isopoda; Crustacea) 

 h. Regeneration. (Turbellaria) 

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



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

 a. Hormonal mechanism of metamorphosis. Philosamia cynthia ricini, 



Bombyx mori (Lepidoptera) 

 h. Purification of the brain hormone. Bombyx mori and other spp. (Le- 

 pidoptera) (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.. Vavilov 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) 



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