Ben-Bla 



BENOIT, J. A. A. — Lab. d'Embryol. exper. du Coll. de France, 11 Place 

 Marcelin Berthelot, PARIS Ve, France 



— Lab. d'Embryol. et Teratol. exper. du C.N.R.S., 49bis Avenue de la 

 Belle Gabrielle, NOGENT sur Marne (Seine), France 



BENZ, G. A. Ph.D. — Zool. Inst, der Univ., Sahlistr. 8, BERN, Schweiz 



BER, A. Dr., Prof. — Beilinson Hospital, PETAH-TIKVA, Israel 



a. Development of eye reaction to vitamin B^ Hyla spec, Bufo spec. 

 (Anura) 



BERG, G. G. Ph.D. — Dept. of Pharmacol, School of Med., Univ. of Ro- 

 chester, P.O. Box 287, Sta. 3, ROCHESTER 20, N.Y., U.S.A. 



BERG, W. E. A.B., M.S., Ph.D., M.I.I.E., Prof. — Dept. of Zool., Univ. 

 of California, BERKELEY 4, Cal., U.S.A. 



BERGQUIST, H. Ph.D., M.I.I.E. — Zool. Inst., Univ. of Gothenburg, 

 Postgatan 35, G5TEBORG-C, Sweden 



a. Experimental investigations on the neural tube. (Vertebrata) 



b. Ultramicroscopical investigations on the integument. Homatus astacus 

 (Crustacea) 



BERMANN, F. Lie. es Sci. — Lab. d'Embryol. exper. du Coll. de France, 

 11 Place Marcelin Berthelot, PARIS Ve, France 



— Lab. d'Embryol. et Teratol. exper. du C.N.R.S., 49 bis Avenue de 

 la Belle Gabrielle, NOGENT sur Marne (Seine), France 



a. Recherches sur les heterogreffes embryonnaires, la compatibility et les 

 affinites des tissus embryonnairs en associations xenoplastiques. Gallus 

 gallus (Aves), Mus musculus albinus (Rodentia) 

 BERNSTEIN, G. S. B.A., M.A., Ph.D. — Dept. of Pharmacol., School of 

 Med., Univ. of Southern California, LOS ANGELES, Cal, U.S.A. 



a. Life-span, motility and metabolism of spermatozoa. (Echinodermata, 

 Amphibia, Mammalia) 



b. Physiology of fertilization. (Amphibia) 



BERRILL, N. J. Ph.D., D. So, Prof. — Dept. of Zool., McGill Univ.. 

 MONTREAL, Quebec, Canada 



BERTMAR, G. Fil.lic. — Zootom. Inst., Univ. of Stockholm, 70A Radmans- 

 gatan, STOCKHOLM, Sweden 

 a. Development and morphology of the skeleton of the head. (Characidae, 

 Teleostei) 



BIEBER, S. B.A., M.S., Ph.D. — Section of Biol., The Wellcome Research 

 Labs., TUCKAHOE 7, Westchester County, N.Y., U.S.A. 

 a. Nucleic acid metabolism during gametogenesis, embryogenesis and rege- 

 neration; studies carried out with aid of analogues of purines and pyri- 

 midines, and with radioisotope-labeled nucleic acid derivatives. Rana 

 pipiens (Anura) 



BIELANSKA (OSUCHOWSKA), Mrs. Z. Dr. — Inst, of Histol. and 

 Embryo!., Veter. Fac, ul. Grochowska 272, WARSZAWA, Poland 



a. Histochemical studies on differentiation of gonads. Sus domestica (At- 

 tiodactyla) 



b. Histochemical studies on oogenesis and embryonic development. Cor~ 

 dylophora lacustris (Hydroidea) 



BIELIAVSKY, N. Lie. en Sci. Zool. — Lab. de Morphol. anim., Univ. libre 

 de Bruxelles, 1850 Chaussee de Wavre, BRUXELLES-Auderghem, 

 Belgique 



16 



