5 



Changes or address, and new addresses of collaborators 



New data from the U.S.S.R. 



ASTAUROV, B. L. Dr. Biol. Sci., Prof, (address see p. 7) 



a. Artificial parthenogenesis and experimental polyploidy. Bombyx mori L. 

 (Lepidoptera) 



b. Androgenesis, especially interspecific. Bombyx mori L., B. mandarina 

 Moore (Lepidoptera) 



c. Influence of high temperature on developmental processes; heat denatu- 

 ration of proteins. Bombyx mori L. (Lepidoptera) and many othet 

 organisms 



AZOUBEL, R. M.B. — Dept 1 - Histol., Fac. de Med., Univ. do Recife, 



Inst. Alvaro Ozorio de Almeida, Caixa Postal 616, RECIFE, Brazil 

 BEDNJAKOVA, Mrs. T. A. Cand. Biol. Sci. (address see p. 7) 



a. Influence of high temperatures on developmental processes. Bombyx mori 

 L. (Lepidoptera) 



b. Analysis of sterilizing effect of sublethal high temperature on eggs in- 

 fected with Nosema bombycis. Bombyx mori L. (Lepidoptera) 



BERGQUIST, H. Ph.D. — Zool. Inst., Univ. of Gothenburg, Postgatan 35. 



GoTEBORG-C, Sweden 

 f BOEKE, J. F.I.I.E., Dr, Prof. (Emer.) — UTRECHT, Holland 



(Deceased Sept. 12, 1956) 

 BRIGGS, R. W. Ph.D. — Dept of Zool., Indiana Univ., BLOOMINGTON, 



Ind., U.S.A. 

 BUYuKoZER, Miss I. M.D. — Histol. ve Embriol. Enstitiisii, Tip Fa- 



kultesi, Cebeci, ANKARA, Turkey 

 f CELESTINO DA COSTA, A. F.I.I.E., Dr hon. causa, Prof. — LISBOA, 



Portugal 



(Deceased April 1956) 

 DETTLAFF, Mrs. T. A. Dr. Biol. Sci., Prof, (address see p. 7) 



a. Physiology of activation of the egg: the role of Ca-ions, the process of 

 secretion. Huso huso, Acipenser guldenst'adti, A. stellatus ( Acipenseri- 

 formes, Chondrostei) 



b. The fate of the polysaccharides in the period of fertilization. (Acipenseri- 

 formes, Chondrostei) 



FOOTE, Ch. L. Prof. — Zool. Dept, Southern Illinois Univ., CARBON- 

 DALE, 111., U.S.A. 



GANGULY, D. N. Prof. — Dept of Zool., Calcutta Univ., 35 Ballygunj 

 Circular Road, CALCUTTA 19, India 



GINSBURG, Mrs. A. S. Cand. Biol. Sci. (address see p. 7) 



a. Cytology of fertilization; experimental polyspermy. Huso huso, Acipenser 

 guldenst'adti, A. stellatus ( Acipenseriformes, Chondrostei) 



GROENENDIJK— HUIJBERS, Mrs M. M. M.D., Lect. — Dept of Anat.. 

 Univ. of Saskatchewan, SASKATOON, Canada 



HARTE, Miss C. Dr, Prof. — Inst, fur Entwicklungsphysiologie der Univ. 

 Koln, Amsterdamerstr. 36, KoLN/Riehl, Deutschland 



f HENKE, K. F.I.I.E., Dr Phil., Prof. — GoTTINGEN, Deutschland 

 (Deceased Sept. 14, 1956) 



