b Development of the mitotic apparatus and protein synthesis in eggs and embryos. (Echi- 

 noidea) 



IWAMATSU, T. Ph.D. — Biol. Lab., Aichi-Kyoiku Univ.. KARIYA-City, Aichi, Japan 

 — Worcester Found, for Exper. Biol., 222 Maple Ave., SHREWSBURY, Mass. 01545, 

 U.S.A. 



a Maturation of gametes. Oryzias latipes (Teleostei) 



b Fertilization. Mesocricetus auratus, Mus musculus, Rattus norvegicus (Rodentia) 



IWASA, K. D.Sc. — Dept. of Biol.. Coll. of Gen. Educ, Osaka Univ., Toyonaka, OSAKA, 

 560 Japan 



a Physiological, morphological and biochemical studies on the formation of multi-cellular 

 bodies from unicellular stages. Chlamydomonas spec, Chlorella spec. (Chlorophyceae). 

 Phaeodactylum tricornutum ( Diatomeae ) 



b Sexual differentiation and recombination. Chlamydomonas spec. (Chlorophyceae), Phaeo- 

 dactylum tricornutum (Diatomeae) 



IWASAKI, T. Ph.D. — Div. of Biol., Natl. Inst, of Radiol. Sci., Anagawa 4-9-1, CHIBA, 

 (280) Japan 



a Effects of ionizing radiations on embryonic development. Artemia salina (Anostraca, 

 Crustacea) 



b Cytological studies on the radiosensitivity of spermatogenesis. Bombyx mori (Lepidoptera) 



IWASA WA, H. D.Sc. — Biol. Inst., Fac. of Sci., Niigata Univ., NIIGATA, Japan 



a Embryological study on endocrine correlation. (Amphibia) 



b Comparative anatomy of genital system. (Amphibia) 



c Comparative histology of endocrine organs. (Amphibia) 



IWATA, F. D.Sc. — Zool. Inst., Fac. of Sci., Hokkaido Univ., North 10, West 8, SAP- 

 PORO. 060 Japan 



a Studies on the comparative embryology with special reference to taxonomic interrelation- 

 ships. (Nemertea) 



b Development and regeneration. Lineus vegitus (Nemertea) 



c Comparative embryology of some marine animals. Notoplana humilis (Polycladida, Tur- 

 bellaria), Pugettia quadridens (Bcachyura, Decapoda) , Dendrodoris rubra (Opisthobranchia, 

 Gastropoda) 



lYEIRI, Mrs. S. D.Sc. — Dept. of Biol., Fac. of Sci.. Kuyshu Univ., Hakozaki, FUKUOKA, 

 812 Japan 



a RNA metabolism of dissociated embryonic cells being affected by inductive agents. 

 (Amphibia) 



b RNA-polymerase of the egg. Artemia salina (Anostraca, Crustacea) 



IZAWA, K. B. Fish. — Hamajima Marine Biol. Station, c/o Fac. of Fish., Pref. Univ. of 

 Mie, 158 Edobashi 2-chome, TSU, Mie Pref. 514 Japan 



a Postembryonic development: Chalimus and copepodid stages. Caligus spec. (Copepoda, 

 Crustacea) 



JACCARINI, Rev. V. M.A. — Dept. of Zool. and Comp. Anat., Univ. Coll. London, Cower 

 St.. LONDON W.C.I. England 



a Analysis at cellular level of morphogenetic movements in sternum development. Coturnix 

 coturnix japonica; Gallus domesticus (Aves), Mus musculus (Rodentia) 



JACOB, J. Ph.D. — M.R.C. Epigenet. Research Group. Inst, of Anim. Genet.. Univ. of 

 Edinburgh, West Mains Rd., EDINBURGH, EH9 3JN, Scotland, U.K. 



a Uitrastructure and ultrastructural cytochemistry of nucleolus in larval salivary gland cells. 

 Smittia parthenogenetica (Chironomidae, Diptera) 



b Ultrastructural changes and patterns of RNA and protein synthesis in differentiating cells 

 as studied by E. M. autoradiography. Tritunis alpestris (Urodela), Xenopus laevis (Anura) 



c Synthesis and transformations of cellular membranes: nuclear membranes in Hela cells; 

 endoplasmic reticulum in cement gland cells of embryo. Xenopus laevis (Anura) (in col- 

 laboration with C. H. WADDINGTON and Miss M. M .PERRY) 



d Nature of involvcir.ent of nucleolus in virus induced Lucke tumour cells. Rana pipiens 

 (Anura) 



JACOBS, R. M. Ph.D. — Dept. of Oral Biol.. Coll. of Dent. Univ. of Iowa. IOWA CITY, 

 Iowa 52240, U.S.A. 



a Placental transmission of muscle relaxants and their teratogenic effects. Mus musculus. 

 (Rodentia) 



JACOBS, W. P. Ph.D. — Dept. of Biol., Princeton Univ., PRINCETON, N.J. 08540. U.S.A. 



a Experimental developmental morphology, using controlled environment chambers, electronic 

 computer processing of data, and studies of hormonal effects on organ and cell differen- 

 tiation. Caulerpa prolifera (Siphonales. Algae), Coleus blumei (Labiatae). Xanthium penn- 

 sylvanicum (Compositae) 



JACOBSON, A. G. Ph.D.. Prof. — Dept. of Zool.. The Univ. of Texas. AUSTIN, Tex. 

 78712, U.S.A. 



a Induction and positioning of the nose, lens and ear. Taricha tocosa (Urodela) 



b Factors controlling the segregation of the optic vesicle into pigmented retinal epithelium 

 and sensory retina. Taricha torosa (Urodela) 



84 



