Yani'Zaf 



b. Regional differences in the ^^p^jncorporation activity in embryos. 

 Salmo gairdnerii irideus (Teleostei) 



YAMAMOTO, K. M.Sc. D.Sc, Prof. — Lab. of Fresh-water Fish Culture, 

 Dept. of Biol., Fac. of Fisheries, Hokkaido Univ., HAKODATE, Japan 

 a. Histo-physiological studies of oogenesis. (Teleostei) 

 h. Electron microscopical studies of oogenesis. (Teleostei) 



c. Studies on the hormones of reproduction. (Teleostei) 

 YAMAMOTO, T. D.Sc, M.I. I.E., Prof. — Biol. Inst., Fac. of Sci., Nagoya 



Univ., Chikusa-ku, NAGOYA, Japan 



a. On the mechanism of fertilization and activation. Oryzias latipes (Te- 

 leostei) 



b. Artificial induction of functional sex-reversal. Oryzias latipes (Teleos- 

 tei) 



c. Developmental genetics. Oryzias latipes (Teleostei) 



d. Sex determination and sex reversal. Carassius c. auratus, C.c. langs- 

 dorfii (Teleostei) 



YAMAMOTO, T.S. M.Sc, D.Sc. — Dept. of Zool., Fac. of Sci., Hokkaido 

 Univ. North 8, West 5, SAPPORO, Japan 

 a. Cytochemical investigation on development. (Teleostei) 



YAMAMURA, H. M.D. — Dept. of Anat., Kyoto Univ., Sakyo-ku, KYO- 

 TO, Japan 



a. Antigenic molecules with esterase activity contained in the embryo. 

 Homo sapiens (Primates) 



b. Organ culture of the limb bud. Mus musculus (Rodentia) 

 YAMAMURA, S. M.D. — Japan Dental Pathol, and Embryol. Res. Inst., 



c/o Yamamura Dental Office, No. 12 Higashi-Ichi-Bancho, SENDAI 

 Japan 

 a. Development of teeth, alveolar wall, lateral frenulum, enamel knot, 

 primary cement, and palate (studies conducted on large numbers of 

 embryos and infants, length 0.3 - 70 cm). Homo sapiens (Primates) (in 

 collaboration with other members of the staff) 

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

 FUKUOKA, Japan 



a. Nucleic acid metabolism in developing embryos. Rana japonica. Xeno- 

 pus laevis (Anura) 



b. Teratogenic effects on developing embryos of some nucleic acid-base 

 analogues. Xenopus laevis (Anura) 



YANAGISAWA, T. — Embryol. Section, Dept. of Biol, Fac. of Sci., Tokyo 

 Metropolitan Univ., Setagaya-ku, TOKYO, Japan 



a. Phosphagens in egg and spermatozoa. ( Echinodermata) 



h. Ion exchange and paper chromatographic studies on the nature of the 

 acid-soluble nucleotides in the egg and their changes during develop- 

 ment. Hemicentrotus spec, Anthocidaris spec, Pseudocentrotus spec. 

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



c Phosphagen and guanidine phosphoryltransferase in spermatozoa. 

 (Mammalia) 

 YANG, W.T. B.S., M.S. — Inst, of Marine Sci., Univ. of Miami, 1 Ricken- 

 backer Causeway, MIAMI, Fla.33149, U.S.A. 



a. Larval and juvenile development of some forms from the Western Atlan- 

 tic. (Oxyrhyncha, Decapoda, Crustacea) 



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