b. Larval and juvenile development. Bathynectes superba (Portunidae, 



Decapoda, Crustacea) 

 YASUDA, M. M.D. — Dept. of Anat.. Kyoto Univ.. Sakyo-ku. KYOTO, 



Japan 

 a. Effects of antimetabolites upon the embryonic development. Mus mas- 



cuius (Rodentia) , Cotuvnix coturnix japonica (Aves) 

 h. Incidence of anomalies in early embryos. Homo sapiens (Primates) 

 YAZAKI, Miss I. M.A. — Embryol. Section, Dept. of Biol.. Fac. of Sci.. 



Tokyo Metropolitan Univ., Setagaya-ku, TOKYO, Japan 

 a. Physical studies on the contractile proteins from eggs. Hemicentrotus 



pulcherrimus (Echinoidea) 

 h. Immunological staining for localization of proteins. (Echinoidea) 

 YNTEMA, C.L. Ph.D., M.I.I.E., Prof. — Dept. of Anat., School of Med., 



State Univ. of New York. 766 Irving Ave., SYRACUSE 10. N.Y., 



U.S.A. 



a. Regeneration of aneural limbs. Ambystoma punctatum (Urodela) 



b. Development of the visceral skeleton. (Jallus domesticus (Aves) (in 

 collaboraUon with W.S.HAMMOND) 



c. Stages in embryonic development. Chelydra serpentina (Chelonia) 

 YONEDA, M. Ph.D. — Embryol. Section, Dept. of Biol.. Fac. of Sci., To- 

 kyo Metropolitan Univ., Setagaya-ku, TOKYO, Japan 



a. Mechanical properties of egg ceils during cleavage. ( Echinodermata) 

 YOSHIKURA, M. D.Sc. — Dept. of Biol., Fac. of Sci., Kumamoto Univ., 



Kurokami-machi, KUMAMOTO. Japan 

 YOUNG, B.A. M.B., B.S.. Ph.D. — Anat. Dept.. London Hosp. Med. CoU., 

 Turner St., LONDON E.l. England 

 a. Fine structure of foetal thyroid. Homo sapiens (Primates) 

 h. Fine structure of placenta. (Cervidae. Phocidae) 

 YOUNG, W. C. Ph.D., Prof. — Dept. of Anat. and Zool., Univ. of Kansas, 



102a Haworth Hall, LAWRENCE, Kansas 66045, U.S.A. 

 YOW, F. W. B.S.. M.S., Ph.D. — Kenyon Coll., GAMBIER, Ohio, U.S.A. 

 ZAAIj;^ER. Miss J.J.P. Ph.D., M.I.I.E. — Lab. for Cell biol. and Histol., 

 Fac. of Med., State Univ., Rijnsburgerweg 10. Boerhaavekwartier. LEI- 

 DEN, Netherlands 



a. Limb development (organ culture). (Vertebrata) 



b. Development of hormonal activity of gonads and adrenal glands during 

 embryogenesis (organ culture). (Vertebrata) 



ZABInSKI, J. M.Sc. — Dept. of Exper. Zoo!.. Polish Acad, of Sci., ul. Ko- 

 pernika 7, KRAKOW, Poland 



ZAFFAGNINI, F. Dr. — 1st. di Zool., Via S.Giacomo 9, BOLOGNA, Ita- 

 lia 



a. Cytochemical and electron microscopical study of the nurse-cells and 

 oocyte differentiation. Daphnia magna (Cladoceca) 



b. Endocrine centres, growth, moulting and gametogenesis. Daphnia 

 magna (Cladocera) 



ZAFIRATOS, K. Dipl.sc.nat. — Zool. Lab. and Museum, Univ. of Athens, 

 Panepistimiopolis (Kouponia), ATHENS (621), Greece 

 a. Notochord implants into the developing and regenerating hind limb of 

 tadpoles. Bu[o bufo, B. viridis, Rana ridibunda (Anura) 



225 



