Ohm-Ors 



OHMORI. K. — Res. Inst, of Environmental Med., Naqoya Univ., Furo-cho. 

 Chikusa-ku. NAGOYA, Japan 

 a. Effects of some external agents upon the regional differentiation of the 

 vertebrae. Mus musculus (Rodentia) (in collaboration with U. MURA- 

 KAMI and Y. KAMEYAMA) 



OHNO. S. D. V.M., Ph.D.. D.Sc. — Dept. of Biol., City of Hope Med Center, 

 DUARTE, Cahf., U.S.A. 

 a. Oogenesis. Mus musculus, Microtus oregoni (Rodentia) , Bos taurus 

 (Artiodactyla) 



OHSAKI, K. — Biol. Inst., Fac. of Sci., Univ. of Kanazawa, Marunouchi -l, 

 KANAZAWA, Japan 



a. Development of egg. Dugesia japonica (Turbellaria) 



b. Reaggregation of dissociated cells. Callyspongia elongata (Porifera) 

 OJEDA SAHAGUN, J.L. Dr. en Med. — Servicio de Embriol. Exper.. 



Depto Anat. Prof. Dr. P. Gomes Bosque, Fac. de Med. de Valladolid. 

 VALLADOLID, Spain 



a. Experimental malformations of the ocular apparatus, and their repercus- 

 sions on the nervous system. Gallus domesticus (Aves) 



b. Biochemical and ultrastructural effects of barbituric compounds on the 

 embryo. Gallus domesticus (Aves) 



OJIMA. Y. D.Sc. — Biol. Lab., Fac. of Sci.. Kwansei Gakuin Univ., NISHI- 



NOMIYA, Japan 

 OKA, H. Ph.D., M.I.I.E.. Prof. — Inst, of Zool.. Tokyo Kyoiku Univ., Ot- 

 suka-Kubo-machi 24, Bunkyo-ku, TOKYO, Japan 

 a. Metamorphosis of compound forms. Pevophora japonica (Ascidia) 

 h. Colony-specificity and selective fertilization in compound forms. BotryU 

 lus primigenus (Ascidia) (in collaboration with H. WATANABE) 



c. Transplantation experiments with the egg. Tachypleus tridentatus (Xi- 

 phosura. Arachnida) (in collaboration with K. SEKIGUCHI) 



OKADA, M. Ph.D. — Inst, of Zool.. Tokyo Kyoiku Univ., Otsuka-Kubo- 



machi 24, Bunkyo-ku, TOKYO, Japan 

 a. The development of pole cells and polar granules studied by electron 



microscopy. Chironomus dorsalis (Diptera) 

 OKADA, T.S. D.Sc, M.I.I.E. — Lab. of Developmental Biol., Zool. Inst. 



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

 a. Immunological studies on the synthesis of tissue proteins in embryos. 



Gallus domesticus (Aves) 

 OKADA, Y.K. M.J.A., Dr., M.I.I.E., Prof. — National Science Museum. 



Ueno Park, Daito-ku, TOKYO, Japan 

 a. Histo- and cytological studies on sex-reversal. Halichoeres poecilopterus 



(Labridae) , Oryzias latipes, Gambusia af finis (Cyprinodontidae) , Mylio 



macrocephalus (Sparidae), Fluta alba (Symbranchi) , Sacura margarita- 



cea (Serranidae, Teleostei) 

 h Origin of bisexual gonad and its sexual conversion. Mylio macrocepha- 

 lus (Sparidae, Teleostei) 

 OKAZAKI, Miss K. O. Dr., M.I.I.E. — Embryol. Section, Dept. of Biol, 



Fac. of Sci., Tokyo Metropolitan Univ., Setagaya-ku, TOKYO, Japan 

 OKSCHE. A. Dr.med., Prof. — Anat. Inst., Justus-Liebig-Univ., Frie- 



drichstr. 24, GIESSEN, Deutsche Bundesrepublik 



152 



