c Origin of binucleate cells in cultures. (Aves) 



d Effect of subnormal temperatures on mitosis of cells cultured in vitro. (Aves) 



e Mitoses of binucleate cells. (Aves) 



BARBERA (PARR). Mrs. M. Ph.D. — Rockefeller Univ.. 500 E. 66th St., NEW YORK. 



N.Y. 10021. U.S.A. 



(no embryological work in progress) 

 BARBIERI, F. D. Dr.. Prof. — Inst, de Biol., Fac. de Bioquim., Quim. y Farm., Univ. Nac. de 



Tucuman, Buenos Aires 289, TUCUMaN. Argentina 

 a Chemistry and biological properties of fertilizin. Bu^o arenarum (Anura) 

 b Nuclear transplantation. Buio arenarum (Anura) 

 BARBOSA AYUCAR, E. Dr.en Med. — Serv. de Embriol. Exper., Dept. Anat. Prof. Dr. P. 



Gomes Bosque. Fac. de Med.. VALLADOLID. Spain 

 a Effect of puromycin on morphogenesis. Gallus domesticus (Aves) 

 BARCH, Mrs. S. H. Ph.D. — Zool. Dept., Biol. Research Center, Michigan State Univ., 



EAST LANSING. Mich. 48823. U.S.A. 

 a Investigations of specificity of jelly-coat in fertilization (immunology, biochemistry). 



Rana pipiens, R. clamitans (Anura) 

 b Studies on cleavage-block produced by antibodies. Rana spec. (Anura) 

 c Development of tissue specificity of antigens (immunology). Rana pipiens (Anura) 



• BARIGOZZI. C. Dr.Sci., Prof. — 1st. di Genet.. Univ. di Milano. Via Celoria 10, MILA- 



NO, Italia 

 a Development of melanomes with different genotypes. Drosophila spec. (Diptera) 

 b DNA replication in cells cultured in vitro. Drosophila melanogastec (Diptera) 

 BARKER, Mrs. J. NORTHROP Ph.D. — Dept. of Physiol.. Jefferson Med. Coll., 1025 



Walnut St., PHILADELPHIA 7. Pa.. U.S.A. 

 BARR. Miss G. B.Sc. — Dept. of Zool., The University, GLASGOW W.2, Scotland. U.K. 

 a Control of cell migration of neural crest. Xenopus laevis (Anura) 

 BARRA, H. — Inst, de Biol. Celular. Univ. Nac. de Cordoba, Casilla Postal 362, CORDOBA, 



Argentina 

 BARSACCHI. Miss G. Dr.Biol.Sci. — 1st. di Zool. e Anat. comp. dell'Univ., Via A. Volta 4. 



PISA. Italia 

 a Lampbrush chromosomes. (Urodela) 

 BARTELMEZ, G. W. Ph.D. — Dept. of Embryol., Carnegie Inst, of Washington, 115 W. 



University Parkway. BALTIMORE, Md. 21210, U.S.A. 



— personal address: 224 Agnes Ave., MISSOULA, Montana, U.S.A. 

 a Blood supply of uterus. Macaca mulatta (Primates) 

 b Early development of optic vesicle. (Rodentia; Primates) 

 c Earliest development of oral hypophysis. (Primates) 

 d Effects of rubella on foetus. Homo sapiens (Primates) 



• BARTH. L. G. Ph.D., Prof. — Marine Biol. Lab.. Box 665, WOODS HOLE, Mass. 



02543, U.S.A. 

 BARTH, Mrs. L. J. Ph.D. — Marine Biol. Lab., Box 665, WOODS HOLE, Mass. 02543, 



U.S.A. 

 BARTH, R. H.. Jr. Ph.D. — Dept. of Zool., The Univ. of Texas. AUSTIN, Tex. 78712, 



U.S.A. 

 a Physiology of reproduction: role of corpora allata and neurosecretory system in control 



of reproductive behavior and physiology and regulation of the reproductive cycle of the 



female. Byrsotria fumigata, Leucophaea maderae, Nauphoeta cinerea and other spp. 



(Blattaria) 

 h Effect of insect hormones on RNA metabolism during pupal diapause and adult develop- 

 ment. Antheraea pernyi. Hyalophora cecropia and other spp. (Saturniidae) 

 BARTONE, J. C. Ph.D. — Dept. of Anat., Howard Univ., Coll. of Med., WASHINGTON, 



D.C., U.S.A. 

 BARTOS, F. — Dept. of Gen. Biol., Med. Fac, Charles Univ.. gimkova 870. HRADEC 



KRALOVfi. Czechoslovakia 

 a Cytology of granulation tissue. Rattus norvegicus. Mus musculus (Rodentia) 

 BARUA. D. N. Ph.D. — Bot. Branch, Tea Research Assoc, Tocklai Exper. Station. CINNA- 



MARA, P.O., Assam, India 

 BATEMAN, A. J. Ph.D., D.Sc — Cytogenet. Dept., Paterson Labs., Christie Hosp. and 



Holt Radium Inst., Wilmslow Rd., MANCHESTER 20, England 

 a The development of embryos with genotypes which are lethal because of aneuploidy or 



partial aneuploidy (progeny of translocation heterozygotes). Mus musculus (Rodentia) 

 b Development of testis with special reference to Sertoli cells. Mus musculus (Rodentia) 

 c Effect of X-rays on immature testis. Mus musculus (Rodentia) 

 BATTAGLIA, B. D.Sc, Prof. — 1st. di Zool., Anat. comp. e Genet., Fac. di Sci., Via Loredan 



10, PADOVA, Italia 

 BATTLE. Miss H. I. Ph.D.. Prof. — Dept. of Zool., Coll. of Sci.. Univ. of Western Ontario, 



LONDON. Ont., Canada 

 a Effects of chloramphenicol on early developmental processes. (Teleostei) 



15 



