Asayama 9 Ba^ 



a. Effects of various proteinic and sterolic hormones upon the sex-dif- 

 ferentiation of the gonad. Hynobius nebulosus (Schlegel) (Urodela) 

 h. Histochemical study of gonadogenesis. Ttiturus pyrrhogaster (Boie) 

 and Hynobius nebulosus (Schlegel) (Urodela) 

 ASSENMACHER. I. Dr en Med. — Inst. d'Embryol., Fac. de Med., 1 

 Place de I'Hopital. STRASBOURG. France 

 a. Development of gonads, hypophysis and hypothalamus. Gallus, Anas 

 and Columba (Aves) (in collaboration with J. BENOIT) 

 ATLAS, M. B.S., A.M., Ph.D.. Assoc.Prof. — Dept of Biol., Yeshiva Univ., 

 186th St and Amsterdam Ave, NEW YORK 33, N.Y., U.S.A. 

 (no data received over some years) 

 ATTARDO, Miss C. Dr — 1st. di Zool., Via Archirafi 18, PALERMO, 

 Italia 

 a. Xenoplastic gonad transplantations. (Amphibia) 

 AUBRY, Miss R. Lie. es Sci. — Inst, de Zool., Lab. de Biol, gener., Fac. 

 des Sci. de Strasbourg, 12 Rue de I'Universite. STRASBOURG, France 

 a. Etude de la lignee germinale. (Amphibia) 

 h. Etude de I'hermaphroditisme. (Gastropoda) 

 AUSTIN, C. R. M.Sc, B.V.Sc. — Div. of Animal Health and Production, 

 C.S.I.R.O., McMaster Animal Health Lab., Parramatta Rd.. Glebe, 

 SYDNEY, N.S.W., Australia 



a. Investigation of fertihzation and segmentation by histochemical methods 

 and with phase-contrast microscopy. Rattus rattus and Mus musculus 

 (Rodentia) (in collaboration with A. W. H. BRADEN) 



b. Chemical and physical factors involved in the sperm penetration of the 

 zona pellucida. Rattus rattus (Rodentia) and Oryctolagus cuniculus 

 (Lagomorpha) (in collaboration with A. W. H. BRADEN) 



c. Distribution and passage of sperms through female tract; significance 

 of numbers. Rattus rattus (Rodentia), Oryctolagus cuniculus (Lago- 

 morpha) and Ovis aries (Artiodactyla) (in collaboration with A. W. 

 H. BRADEN) 



AVEL. M. F.I.I.E., Dr, Prof. — Fac. des Sci. de Bordeaux, 40 Rue La- 



martine. TALENCE (Gironde), France 

 AVIS, F. R. A. B. Brown Univ. — Roscoe B. Jackson Memorial Lab., BAR 



HARBOR, Me. U.S.A. (no data received over some years) 



AXIANAS, L. — 1st. di Zool. e Anat. Comp. dell'Univ., Via A. Volta 4, 



PISA. Itaha 

 a. Development of the gonads. Rana graeca (Anura) 

 BACCI, G. Dr, Prof. — Zool. Dept, Zool. Station, NAPLES, Italy 



(no data received) 

 BaCKSTRoM, S. a. a. — Wenner-Grens Inst, for experimental Biology, 



Norrtullsgatan 16, STOCKHOLM Va., Sweden 



(no data received on Nov. 1=', 1953) 

 BAFFONI, G. M. Dr — Lab. di Istol. ed Embriol. della Fac. di Sci., Univ. 



di Roma, Via A. Borelli 50, ROMA, Itaha 



a. Growth and differentiation of the nervous cell. (Amphibia and Insecta) 



b. Action of hormones on gametogenesis. (Amphibia) 



BAGINSKI, S. M.D. — Inst, of Histol. & Embryol., Acad, of Med., Naru- 

 towicza 60, LODZ, Poland 

 a. Influence of sulphonamides on the size of embryos. Gallus (Aves) 



