Ben-Bie 



a. Ovo- and spermatogenesis; fertilization and cytology. (Tricladidea, Tut- 

 bellaria) 

 BENAZZI, M. M.I.I.E., Prof. — 1st. di Zool. e Anat. comp. dell'Univ., Via 

 A. Volta 4, PISA, Italia 



a. Fertilization, pseudogamy, polyploidy and heredity. (Tricladidea. Tur- 

 bellaria) 



b. Action of X-rays on development. (Planariidae, Turbellaria) 



c. Hybrids. Triturus vulgaris x T. helveticus (Urodela) 



d. Study of sex. Bacillus rossius (Phasmidae, Orthoptera) 



BENDER, H. A. A.B., M.S., Ph.D. — Dept of Biol., Univ. of Notre Dame, 

 NOTRE DAME, Ind., U.S.A. 

 a. Phenogenetic studies of the ovarian tissue of female-sterile mutants. 

 Drosophila melanogaster (Diptera) 

 BENGMARK, S. — Dept. of Anat., Univ. of Gothenburg, G6TEBORG-SV, 

 Sweden 

 a. Derivation of prostatic gland. Homo sapiens, Rattus spec. (Mammalia) 

 BENIRSCHKE, K. M.D., Prof. — Dept. of Pathol., Dartmouth Med. School, 

 HANOVER, N.H., U.S.A. 



a. Study of fetal adrenal development. Dasypus novemcinctus (Edentata), 

 Oedipomidas oedipus (Primates) 



b. Chromosome studies. Dasypus novemcinctus (Edentata) 



c. Study of placentation, fetal development and drug toxicity on the embryo. 

 Dasypus novemcinctus (Edentata) 



d. Comparative chromosome study; chimerism. (Hapalidae, Anthropoidea, 

 Primates) 



BENOIT, J. Dr.en Med., Dr.es Sci., Prof. — Lab. d'Histophysiol., Coll. de 



France, 4 Avenue Gordon Bennett, PARIS XVIe, France 

 BENOIT, J. A. A. M.I.I.E. — Lab. d'Embryol. et Teratol. exper. du C.N.R.S.. 



49bis Avenue de la Belle Gabrielle, NOGENT sur Marne (Seine), France 

 a. Etude de la chronologie et du mecanisme de l'induction du cartilage otique. 



Gallus gallus (Aves) 

 BER, A. Dr., Prof. — Dept. of Endocrinol., Beilinson Hosp., PETAH-TIKVA, 



Israel 

 a. Development of eye reaction to vitamin Bi. Hyla spec, Bufo spec, Pylo- 



bates spec. (Anura) 

 BERG, G. G. Ph.D. — Dept. of Radiation Biol., School of Med. and Dent., 



Univ. of Rochester, P.O. Box 287, Sta. 3, ROCHESTER 20, N.Y., 



U.S.A. 

 a. Developmental and adaptive changes in enzymes (trimetaphosphatase, 



polyphosphatase) in the embryonic digestive tract. Rattus norvegicus 



(Rodentia), Mus musculus albinus (Rodentia) 

 BERG, K. G. Fil.mag. — Zool. Inst., Univ. of Gothenburg, Fjarde Lang- 



gatan 7B, GGTEBORG-SV, Sweden 

 a. Electronmicroscopical studies on cuticular development. Hydra spec. (Hy~ 



dtoidea) 

 BERG, W. E. Ph.D., M.I.I.E., Prof. — Dept. of Zool., Univ. of California, 



BERKELEY 4, Calif., U.S.A. 

 a. Electron microscopy, cytochemistry and physiology of early develop- 

 ment. Lytechinus spec. (Echinoidea) 

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



Fjarde Langgatan 7B, GOTEBORG-SV, Sweden 



18 



