b. Sulfhydril groups, deoxyribonucleic acids and glycogen in early devel- 

 opment. Bufo arenarum (Anura) 



c. Nuclear transplantation. Bufo arenarum (Anura) 



BARBIN, Y. — Lab. d'Anat. fonctionnelle et de Neuro-anat., Fac. de Med., 



45 Rue des Sts. Peres, PARIS Vie, France 

 BARIGOZZI, C. Dr.Sci., M.I. I.E.. Prof. — 1st. di Genet., Univ. di Milano, 



Via Celoria 10, MILANO, Italia 

 a. Development of melanomes with different genotypes. Drosophila spec. 



(Dipt era) 

 BARKER, Mrs. J. NORTHROP B.S.. M.A., Ph.D. — Dept. of Physiol.. 



Jefferson Med. Coll., 1025 Walnut Street, PHILADELPHIA 7, Pa.,U.S.A. 

 a. Regulation of fetal fluid environment, circulation, gaseous, and carbo- 

 hydrate metabolism, especially of brain, during the last third of gestation. 



Rattus rattus (Rodentia) , Oryctolagus cuniculus ( Lagomorpha) 

 BARRA, H. — Inst, de Biol. Celular, Univ. Nacional de Cordoba, Casilla 



Postal 362, CORDOBA, Argentina 



a. Synthesis of aminoacids in the embryo in vivo and in vitro 

 using radioactive precursors. Gallus domesticus (Aves) (in collaboration 

 with L. M. RINALDINI and J. SANCHEZ) 



b. Sulphur metabolism in the embryo. Gallus domesticus (Aves) (in collab- 

 oration with L. M. RINALDINI and R. DE MEIO) 



BARRON, Miss P. B.Sc.(Hons.) — Dept. of Embryol., Marischal Coll., 

 Univ. of Aberdeen, ABERDEEN, Scotland 

 a. The effect of insulin on the early embryo. Gallus gallus (Aves) 



BARTELMEZ, G. W. Ph.D. — Dept. of Embryol., Carnegie Inst, of Wash- 

 ington, 115 W. University Parkway, BALTIMORE 10, Md., 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. A.B., Ph.D., F.I.I.E., Prof. — Dept. of Zool., Columbia 

 Univ., Broadwav and 1 16th St., NEW YORK 27, N.Y., U.S.A. 



BARTH, Mrs. L. JAEGER A.B., M.A., Ph.D. — Dept. of Zool., Columbia 

 Univ., Broadway and 1 16th St., NEW YORK 27, N.Y., U.S.A. 



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

 di Sci., Via Loredan 10, PADOVA, Italia 



a. Sex differentiation. (Harpaticoida, Copepoda) 



b. General embryology. (Harpaticoida, Copepoda) 



BATTLE, Miss H. I. Ph.D., Prof. — Dept. of Zool., Univ. of Western Onta- 

 rio, LONDON, Ontario, Canada 



a. Effects of purine antagonists on early developmental processes. Salmo 

 trutta fario, Brachydanio rerio (Teleostei) 



b. Effects of vital dyes on early developmental processes. Salmo trutta fario, 

 Brachydanio rerio (Teleostei) 



c. Gonadal development (spermatogenesis and oogenesis). Crassostrea virgi- 

 nica (Ostreidae, Eulamellibranchiata) 



d. Comparative effects of selective inhibitors of amino acid synthesis, protein 

 synthesis and R.N. A. synthesis on early developmental processes. Salmo 

 trutta fario, Brachydanio rerio (Teleostei) 



BAUMANN, J. A. Dr., Prof. — Inst. d'Anat., Fac. de Med., Univ. de Geneve, 

 20 Rue de l'Ecole de Medecine, GENfiVE, Suisse 



15 



