Bal-Bau 



a. Various aspects of the development and endocrinology of pigmentation. 

 Many spp. (Amphibia) 



b. Functional development of pineal; extirpation, transplantation, and ex- 

 plantation of epiphysis. Xenopus laevis (Anura) 



c. Lens induction and lens regeneration. Pleurodeles waltlii (Urodela) 

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



Postal 362, CORDOBA, Argentina 

 a. Chemical composition and mitogenic action of "fluid yolk". Gallus domes- 

 ticus (Aves) ( in collaboration with L. M. RINALDINI and A. GOMEZ) 

 BALINSKY, B. I. Dr.Biol.Sci., F.I.I.E., Prof. — Dept. of Zool., Univ. of the 

 Witwatersrand, Milner Park, JOHANNESBURG, Republic of South 

 Africa 

 a. An electron microscopic study of early development. (Anura) 

 BALLS, M. B.A. — Station de Zool. exper., Univ. de Geneve, Route de Ma- 

 lagnou 154, Chene-Bougeries, GENfiVE, Suisse 



a. Spontaneous and induced tumours. Xenopus laevis (Anura) 



b. Nuclear and cytoplasmic factors in differentiation. Xenopus laevis (Anura) 

 BALON, E. K. Prom.biol., C.Sc. — Lab. of Fishery Science, Zelezna Stu- 



dienka 806, BRATISLAVA, Czechoslovakia 



a. Development of ossification. Esox lucius (Teleostei) 



b. Embryology and eco-morphology. Alburnus alburnus, Rutilus rutilus car- 

 pathorossicus and their hybrids, Hucho hucho, Thymallus thymallus and 

 their hybrids (Teleostei) 



c. Further studies on development. Tilapia spec. (Cichlidae, Teleostei) 



d. Normal and hybrid development. (Acheilognathinae, Teleostei) (in collab- 

 oration with J. J. DUYVENE DE WIT, Bloemfontein, J. FABER, 

 Utrecht, J. HOLCIK, Prague, and Y. HONMA, Niigata) 



BALTUS, Miss E. J. Dr.en Sci. — Lab. de Morphol. anim., Univ. libre de 

 Bruxelles, 1850 Chaussee deWavre.BRUXELLES-Auderghem, Belgique 



a. Study on isolated nucleoli. Asterias rubens (Asteroidea, Echinodermata) 



b. Nucleo-cytoplasmic relations. Acetabularia mediterranea (Dasycladaceae) 

 BALTZER, F. Dr., Dr.h.c. Strasb., Dr.h.c. Freiburg (Baden), F.I. I.E., 



Prof. (Emer.) —Zool. Inst, der Univ. Bern, Sahlistr. 8, BERN, Schweiz 

 BANARJEE, M. — Cell Research Unit, Dept. of Zool., Calcutta Univ., 35 



Ballygunje Circular Road, CALCUTTA 19, India 

 BANARJEE, P. — Cell Research Unit, Dept. of Zool., Calcutta Univ., 35 



Ballygunje Circular Road, CALCUTTA 19, India 

 BANERJEE, B. M.Sc. — Dept. of Biol., Scottish Church Coll., 4 Cornwallis 



Square, CALCUTTA 6, India 

 BARASA, A. — 1st. di Anat. degli Animali domestici con Istol. ed Embriol., 



Univ. di Torino, Via Nizza 52, TORINO, Italia 



a. Morphogenetic processes of the wing following removal of some parts. 

 Gallus domesticus (Aves) 



b. Mitochondria and lipochondria in cells cultured in vitro in various 

 experimental conditions. Gallus domesticus (Aves) 



c. Researches on bone structure. Capra ibex (Artiodactyla) 

 BARBIERI, F. D. Dr., Prof. — Inst, de Biol. Gener. y Embriol. Exper., Buenos 



Aires 289, TUCUMAN, Argentina 

 a. Cytochemical effects of ultraviolet radiation on the developing embryo. 

 Gallus spec. (Aves) 



14 



