b A study of protein synthesis and utilisation in differentiating nerve cells cultured i n 



vitro. Callus domesticus (Aves) 

 ODA, S. D.Sc, Prof. — Biol. Lab., Coll. of Gener. Educ, St. Paul's Univ., 3 Nishi-Ikebu- 



kuro, Toshima-ku, TOKYO, (171) Japan 

 a Germination of statoblasts. Lophopodella carted ( Phylactolaemata. Bryozoa) 

 O'DAY, D. H. B.Sc. — Dept. of Zool., Univ. of British Columbia, VANCOUVER 8. B.C.. 



Canada 

 a Development of alkaline phosphatase activity in embryos; biochemical analysis (specific 



activity, gel electrophoresis) and histochemical analysis. Amby stoma gracile, Taricha torosa 



(Urodela) (in collaboration with C. V. FINNEGAN) 

 O'FARRELL, A. P. A.R.C.S., Prof. — Dept. of Zool., Fac. of Sci., Univ. of New England, 



ARMIDALE, N.S.W. 2351, Australia 

 a Regeneration and the endocrine system. Blattella germanica (Dictyoptera) (in collab- 

 oration with A. STOCK) 

 OGREN, R. E. Ph.D. — Dept. of Biol., Wilkes Coll., WILKES-BARRE, Pa. 18703, U.S.A. 

 a Embryonic development (maturation, cleavage). Hymenolepis diminuta (Cestodes) 

 h Structure and development of hexacanth embryos (oncospheres). Hymenolepis diminuta 



(Cestodes) 

 c Differentiation of hooks in onconblasts of immature embryos. Hymenolepis diminuta (Ces- 

 todes) 

 d Differentiation and movement of embryonic myoblasts. Hymenolepis diminuta (Cestodes) 

 OHASHI, T. M.Sc. — Dept. of Anat., School of Med., Mie Pref. Univ., 100, Torii-Cho, 



TSU, Japan 

 a Developmental mechanism of the central and peripheral nervous system. Hynobius nebw 



losus (Urodela) 

 OHNO, S. Ph.D., D.Sc. — Dept. of Biol., City of Hope Med. Center, 1500 E. Duarte Rd.. 



DUARTE, Cahf. 91010, U.S.A. 

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

 h Embryonic blastema for somatic elements of the gonad. Epitatretus stoutii (Cyclostomata), 



Salmo irideus (Teleostei), Lepus californicus (Lagomorpha). Peromyscus maniculatus 



(Rodentia), Bos taurus (Artiodactyla) 

 c The gene activation mechanism in development, using the 6-PGD and ADH loci as 



markers. Coturnix coturnix (Aves) 

 d Preferential activation of maternally derived alleles in development of extreme inter- 

 specific hybrids, using the LDH, ADH, and 6-PGD loci as markers. Coturnix coturnix x 



Callus domesticus (Aves), Salmo gairdneri x S. trutta (Teleostei) 

 OHSAKI, K. — Biol. Inst., Fac. of Sci., Univ. of Kanazawa, Marunouchi-1, KANAZAWA, 



Japan 

 a Development of egg. Dugesia japonica (Tucbellaria) 

 h Reaggregation of dissociated cells. Callyspongia elongata (Porifera) 

 OJEDA SAHAGUN, J. L. Dr.en Med. — Serv. de Embriol. Exper., Cat. de Anat., Fac. de 



Med., VALLADOLID. Spain 

 a Biochemical and ultrastructural effects of barbituric compounds on the embryo. Callus 



domesticus (Aves) 

 h Effect of peripheric innervation area on cellular kinetics in the CNS (autoradiography). 



Callus domesticus (Aves) 

 OJIMA. Y. D.Sc, Prof. — Dept. of Biol., Kwansei Gakuin Univ., Uegahara 1, NISHI- 



NOMIYA, Hyogo-ken 662, Japan 

 a Developmental genetics. Cacassius auratus, Cyprinus carpio (Teleostei) 

 b Developmental cytogenetics. Misgurnus anguillicaudatus, Cobitis biwae and other Japanese 



species (Teleostei) 

 c Electron microscopy of fertilization. Mus musculus (Rodentia) 

 OKA, H. Ph.D.. Prof. (Emer.) — Inst, of Zool., Fac. of Sci., Tokyo Kyoiku Univ., Otsuka 



3-29-1, Bunkyo-ku, TOKYO, Japan • 



OKADA. M. Ph.D. — Inst, of Zool., Fac. of Sci., Tokyo Kyoiku Univ., Otsuka 3-29-1, 



Bunkyo-ku, TOKYO, Japan 

 a Electron microscopical and biochemical analyses of embryonic diapause. Bombyx mori 



(Lepidopfera) 

 OKADA, T. S. D.Sc, Prof. — Lab. of Developm. Biol., Zool. Inst., Fac. of Sci., Univ. 



of Kyoto, KYOTO, Japan • 



OKADA, Y. K. Dr.. Prof. (Emer.) — Div. of Zool., Natl. Sci. Museum, Ueno Park, Daito- 



ku, TOKYO. Japan • 



OKAZAKI. Miss K. D.Sc. — Embryol. Sect., Biol. Dept., Tokyo Metropolitan Univ., 2-1-1 



chome. Fukazawa-machi, Setagaya-ku, TOKYO (158), Japan • 



a Mechanism of spicule formation. (Echinoidea) 

 b Myogenesis. (Aves; Mammalia) 

 OKSCHE, A. Dr.med., Prof. — Anat. Inst, der Univ. Giessen, Friedrichstr. 24, 63 GIESSEN, 



W. Germany 



130 



