a Protein synthesis, RNA and ribosomes; changes during hormone action and metamorphosis. 



Hyalophora cecropia, Manduca sexta (Lepidoptera) 

 b Protein synthesis and transport in oogenesis; regulation by hormones. Hyalophora cecropia 



(Lepidoptera) and other spp. (Insecta) 

 WYLIE, C. C. B.Sc. — Dept. of Anat. and Embryol., Univ. Coll. London, Gower St., 



LONDON WC1E 6BT, England 

 WYSOCKA, Miss B. B.Sc. — Dept. of Histol. and Embryol., Acad, of Med., ul. Narutowicza 



60, EODz, Poland 

 a Comparative histochemistry and biochemistry of amounts and distribution of some in- 

 organic salts in spodograms of lungs and of livers in relation to the level of Na, K, and 



Ca in blood plasma during embryogenesis. Xenopus laevis (Anura), Rattus nocvegicus, 



Cavia poccellus (Rodentia) 

 WYTTENBACH, Ch. R. Ph.D. — Dept. of Physiol, and Cell Biol., Univ. of Kansas, 



LAWRENCE. Kansas 66044, U.S.A. 

 a Mechanics and physiological regulation of annulated and unannulated growth in pedicels 



and stolons (microlaser beam irradiation, metabolic inhibitors, electron microscopy). 



Campanularia flexuosa and other spp. (Hydrozoa) 

 XAVIER MORATO, M. J. Prof. — Inst, de Histol. e Embriol., Fac. de Med., Av. Prof. 



Egas Moniz, LISBOA 4, Portugal 

 a Histogenesis of the area postrema. Felis catus (Carnivora) 

 b Histogenesis of the neurohypophysis, at microscopical level. Felis catus (Carnivora), 



Oryctolagus cuniculus (Lagomorpha) 

 c Action of ionizing radiations upon the embryonated egg. Gallus domesticus (Aves) (with 



M. J. RODRIGUES CORREIA) 

 YAFFE, D. Dr. — Dept. of Cell Biol., The Weizman Inst, of Sci., REHOVOTH, Israel • 

 YAJIMA, H. Ph.D. — Dept. of Biol., Fac. of Sci., Ibaraki Univ., Bunkyo-2-chome, MITO, 



Japan 

 a Malformations induced by irradiation with monochromatic ultraviolet light. Chironomus 



dorsalis (Diptera) 

 b Effects of temperature during and after centrifugation of eggs on the production of double 



malformations. Chironomus dorsalis (Diptera) 

 c Effect of ultraviolet irradiation upon the re-entry of pole cells (electron microscopy) . 



Chironomus dorsalis (Diptera) 

 d Electron microscopy of eggs centrifuged at early and middle pre-migration stages. 



Chironomus dorsalis (Diptera) 

 YAMADA, J. D.Agr., Prof. — Lab. of Physiol, and Ecol., Fac. of Fish., Hokkaido Univ., 



HAKODATE, Hokkaido, Japan • 



a Development and growth of hard tissues. (Teleostei) 

 b Yolk absorption during embryogenesis. (Teleostei) 

 YAMADA, K. M. B.A. — Dept. of Biol. Sci., Stanford Univ., STANFORD, Calif. 94305, 



U.S.A. 

 YAMADA, T. D.Sc, Prof. — Biol. Div., Oak Ridge Natl. Lab., P.O.Box Y, OAK RIDGE, 



Tenn. 37830, U.S.A. • 



a The mechanism of dedifferentiation in Wolffian lens regeneration (ultrastructure, biochem- 

 istry) . Notophthalmus (Triturus) viridescens (Urodela) 

 b The factor of redifferentiation in Wolffian lens regeneration (tissue and cell culture). 



Same species as a 

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



CHIBA, 280 Japan 

 a Biochemical studies on effect of radiation on the embryo. Oryzias latipes (Teleostei), Bufo 



vulgaris (Anura) 

 YAMADORI, T. M.D., Prof. — Dept. of Anat.. Div. I, School of Med., Hirosaki Univ., 



Zaifucho 5, HIROSAKI-City, Aomori-ken, 036 Japan 

 a Development of nerve cells in the spinal ganglia. Rattus norvegicus (Rodentia) 

 YAMAGAMI, K. Ph.D. — Zool. Inst., Univ. of Tokyo, Hongo 7-3, Bunkyo-ku, TOKYO. 



113 Japan 

 a Biochemical studies on embryonic and yolk proteins. (Teleostei) 

 b Partial purification of chorionase. Oryzias latipes (Teleostei) 

 c Ontogeny of hemoglobins in embryos and larvae before complete absorption of yolk 



material. Salmo gairdnerii syn. irideus (Teleostei) 

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



CHIBA, 280 Japan 

 a Regeneration of cell renewal systems after radiation injury. Mus musculus, Cavia porcellus 



(Rodentia) 

 YAMAMOTO, K. D.Sc, Prof. — Lab. of Fresh-water Fish Cult., Dept. of Biol., Fac. of 



Fish., Hokkaido Univ., HAKODATE, Japan • 



a Histo-physiological studies of oogenesis. (Teleostei) 

 b Electron microscopy of oogenesis. (Teleostei) 

 c Studies on the hormones of reproduction. (Teleostei) 



197 



