OBi 



70 Oli 



c. Radioscnsitivity in relation to temperature prevailing during exposure. 

 Rana catcshiana, Rana pipicns. Triturus viridescens (Amphibia); Mus 

 rattus (Rodcntia) and On/ctolagus cuniculus (Lagomorpha) 

 O'CONNOR R. J. M.D.. D.T.M. — Westminster Med. School. Horsferry 

 Rd. LONDON S.W.I. England (U.K.) 



a. The metabolism of cell division and cell differentiation. (Vertebrata) 



b. Metabolic measurement during ontogenesis. (Aves) 



OKA. H. Ph.D. (Tokyo). Prof. — Inst, of Zool.. Univ. of Education. 

 Otsuka-Kubomachi 24. Bunkyoku. TOKYO. Japan 



a. Limb induction. Hynobius tokyoensis (Urodela) 



b. Budding in various species, f.. Compound" Ascidiae) 



c. Experimental studies on metamorphosis in various species. ('..Compound" 

 Ascidiae) 



OKADA. T. — Lab. of Embryol. and Exper. Morphol., Zool. Inst.. Dept of 

 Sci.. Kyoto Univ.. KYOTO. Japan 



a. Developmental mechanism of entoderm differentiation. Triturus pyrrho- 

 gastcr and Hynobius nebulosus (Urodela) 



b. kole of the yolk mass in early morphogenetic movement. Triturus pyrrho- 

 gaster and Hynobius nebulosus (Urodela) 



c. Regional differences of induced structure. 



OKADA. Y. K. F.I. I.E., Dr. Prof. — Zool. Inst.. Fac. of Sci., Tokyo Univ., 



TOKYO. Japan 

 OKAZAKI, Miss K. — Embryol. Section, Dept of Biol.. Tokyo Metropolitan 



Univ.. Setagaya-ku. TOKYO. Japan 



a. Metamorphosis of partial larvae. Peronella (Clypeastroidea, Echinoidea) 



b. A study of skeleton formation. (Echinodermata) 



OKAZAKI. R. M.A. (Rigakushi) — Biol. Inst., Fac. of Sci.. Nagoya Univ.. 

 Chigusa-Ku. NAGOYA. Japan 



a. Studies on the proteins of the early embryo. ( 1 ) Fractionation and 

 'physico-chemical characterization of the proteins; (2) Inducing capacity 



of the various proteins; (3) Regional and temporal changes of the protein 

 fractions; (4) Physical effects of Li and SCN on the proteins; (5) In- 

 ducing capacity of the organizer region free from nucleic acids. Triturus 

 (Urodela) (in collaboration with S. OSAWA) 



b. Role of energy-rich phosphate bond in the cortical change of eggs. Va- 

 rious species (Echinodermata) 



c. Effect of dinitrophenol on the organizer action. Triturus (Urodela) 

 OKSCHE. A. A. Dr Med. — Anat. Inst, der Univ., Robert Kochstr. 6. 



MARBURGLahn. Deutschland 



a. Anderungcn dcs Kaulquappen-Wachstums nach beiderseitiger Augen- 

 Extirpation. Es soil hierbei die Rolle des Hypophysen-Zwischenhirn- 

 Systems und der Epiphyse untersucht werden. Bu[o vulgaris (Anura) 



b. Die Feinstruktur der Sinneszellen des Organon frontale bei qualitativ 

 und quantitativ modifiziertem Lichtreiz. Verhalten der spezifischen, mit 

 Eisen-Haemotoxylin farbbaren Zellstrukturen wahrend des Individual- 

 zyklus. Bufo vulgaris (Larven) (Anura) 



OLIVO. O. M. Med.Dr. Ord.Prof. — 1st. di Istol. e Fisiol. gen.. Fac. di 

 Med.. Via Belmeloro 8. BOLOGNA. Italia 

 (no data received over some years) 



