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



Tenn. 37830, U.S.A. • 



a In vitro differentiation of lens fibers. Rana pipiens (Anura), Triturus viridescens 



(Ucodela) 

 b Activation of cell replication in Wolffian lens regeneration. Triturus viridescens (Urodela) 

 c Dedifferentiation in Wolffian lens regeneration. Triturus viridescens (Urodela) 

 YAMADA, T. M.Sc. — Div. of Biol., Natl. Inst, of Radiol. Sci., Anagawa 4-9-1, CHIBA, 



(280), Japan 

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



vulgaris (Anura) 

 YAMADORI, T. M.D., Prof. — Dept. of Anat., Hirosaki Univ. School of Med., Zaifucho-5, 



HIROSAKI City, Aomori Pref. 036, Japan 

 a Developmental study of the central nervous system. Homo sapiens (Primates) 

 b Developmental study of the 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., 4-9-1 Anagawa, 



CHIBA, (280) Japan 

 a Regeneration of thymus after radiation-induced involution. Rattus norvegicus, Mus mus- 



culus (Rodentia) 

 h Role of thymus in immunogenesis. Rattus norvegicus, Mus musculus (Rodentia) 

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



Fisheries, Hokkaido Univ., HAKODATE, Japan • 



a Histo-physiological studies of oogenesis. (Teleostei) 

 b Electron microscopical studies of oogenesis. (Teleostei) 

 c Studies on the hormones of reproduction. (Teleostei) 

 YAMAMOTO, T. Dr.Med., Dr.Med.Sci., Prof. — Dept. of Anat., Fac. of Med., Kyushu 



Univ., FUKUOKA, 812 Japan 

 a An electron microscope study of the developing intestinal epithelium. (Mammalia) 

 YAMAMOTO, T. D.Sc. Prof. — Biol. Inst.. Fac. of Sci., Nagoya Univ., Chikusa-ku, 



NAGOYA, Japan • 



YAMAMOTO, T. S. D.Sc. — Zool. Inst., Fac. of Sci., Hokkaido Univ., North 10 West 



8, SAPPORO, 060 Japan 

 a Cytochemical investigation on development. (Teleostei) 

 YAMAMURA, H. M.D. — Dept. of Anat., School of Med., Hiroshima Univ., Kasumi-cho, 



HIROSHIMA, Japan 

 YAMAMURA, S. M.D. — Japan Dental Pathol, and Embryol. Research Inst., c/o Yama- 



mura Dental Office, No. 12 Higashi-Ichi-Bancho, SENDAI, Japan 

 YAMANA, K. D.Sc, Prof. — Dept. of Biol., Fac. of Sci., Kyushu Univ., Hakozaki, 



FUKUOKA, 812 Japan 

 a Regulation of ribosomal RNA synthesis during embryonic development. Xenopus laevis 



(Anura) 

 YANAGIMACHI, R. Ph.D. — Dept. of Anat., Univ. of Hawaii, 1951 East-West Rd.. 



HONOLULU, Hawaii 96822, U.S.A. 

 a In vitro fertilization and development of eggs. Mesocricetus auratus, Rattus nor- 

 vegicus, Mus musculus (Rodentia) 

 h Chromosomes and development. Mesocricetus auratus. Rattus norvegicus, Mus musculus 



(Rodentia) 

 YANAGISAWA, T. D.Sc, Prof. — Embryol. Sect., Dept. of Biol., Tokyo Metropolitan 



Univ., 2-1-1 chome, Fukazawa-machi, Setagaya-ku, TOKYO (158). Japan 

 a Phosphagens in egg and spermatozoa. (Echinodecmata) 



b Ion exchange and paper chromatographic studies on the nature of the acid-soluble nucleo- 

 tides in the egg and their changes during development. Hemicentrotus spec, Anthocidaris 



spec, Pseudocentrotus spec. ( Echinoidea ) , Asterias spec, Asterina spec (Asteroidea) 

 c Tracer experiments on phosphate, sugar and nucleic acid metabolism of embryo. (Echino- 



dermata) 

 YANG, W. T. Ph.D. — Inst, of Marine Sci., Univ. of Miami, 1 Rickenbacker Causeway, 



Virginia Key, MIAMI, Fla. 33149, U.S.A. 

 YASUDA, M. M.D. — Dept. of Anat., Kyoto Univ., Yoshida, Konoe-cho, Sakyo-ku, 



KYOTO 606, Japan 

 a Epidemiological studies on anomalies in embryos. Homo sapiens (Primates) 

 h Chromosome aberrations and the sex ratio in embryos. Homo sapiens (Primates) 

 c Morphogenesis of certain malformations of extremities in embryos. Homo sapiens (Pri- 

 mates) 

 YASUDA, Mrs Y. M.D. — Dept. of Anat., Kyoto Univ., Yoshida, Konoe-cho, Sakyo-ku, 



KYOTO 6L<>. Japan 



190 



