Ass 9 Bag 



ASSENMACHER, I. — Inst. d'Embryol. et de Morphol. exper., Fac. de 

 Med.. 1. Place de l'Hopital, STRASBOURG, (Bas-Rhin), France, 

 a. Development of gonads, hypophysis and hypothalamus in birds. Chick, 

 duck and pigeon (in collaboration with J. BENOIT) 



ATLAS M PhD., Prof. — Dept of Biol., Yeshiva Univ., 186th Str. and 

 Amsterdam Ave, NEW YORK 33, N.Y., U.S.A. 



a. Conditions of maturation of the egg and ovulation. Rana pipiens 

 (Amphibia) 



b. Nature of the yolk and its changes in development. Gallus domesticus 

 (Aves) 



AUER, J. M.D., D.M.Sc, Prof. — Dept of Anat., Fac. of Med.. Univ. of 



Ottawa, OTTAWA, Canada. 



(no data received over this year) 

 AUSTIN, C. R. M.Sc, B.V.Sc. — Commonwealth Sci. and Industr. Res. 



Org., McMaster Anim. Health Lab., Parramatta Rd, GLEBE, N.S.W.. 



Australia. 



a. Descriptive and comparative aspects of initial development. Investigation 

 of fertilization and spermatogenesis with phase-contrast microscopy. Rat 

 (Mammals) (in collaboration with A. W. H. BRADEN) 



b. Experimental and developmental morphology of initial development. 

 Chemical and physical factors involved in the sperm penetration of the 

 zona pellucida. Rat and Rabbit (Mammals) (in collaboration with A. 

 W. H. BRADEN) 



c. Developmental physiology of fertilization and cleavage. Development of 

 blastocysts and isolated blastomeres after transplantation. Induction of 

 parthenogenesis. Investigations on the external migration of gametes. 

 Rabbit (Mammals) (in collaboration with A. W. H. BRADEN) 



AUSTOKER, Mrs J. B.Sc. Hon. — Dept of Zool., Univ. of the Wit- 



watersrand, Milner Park, JOHANNESBURG, South Africa, 

 a. The bursa ovarica of Elephantulus myurus jamesoni. (Mammalia) 

 AVEL, M. Dr, Prof. — Fac. des Sci. de Bordeaux, 40, Rue Lamartine, 



TALENCE (Gironde), France. 



(no data received) 

 AVIS, F. — Roscoe B. Jackson Memorial Lab., Box 558, BAR HARBOR, 



Me, U.S.A. 



(no data received over this year) 

 BACKSTR5M, S. A. A. — Wenner-Grens Inst, for exper. Biol., Norrtulls- 



gatan 16, STOCKHOLM 23, Sweden, 

 a. Morphological studies on lithium-treated developing sea urchin eggs. 



Psammechinus miliaris (Echinodermata) 

 BAFFONI, G. Dr — 1st. di Zool., Univ. di Stato, Viale B. Bartolomeo 1, 



CAGLIARI, Sardegna, Italia. 



a. Reaction of nervous cells to periphery. (Amphibians) 



b. Regeneration of spinal cord. (Reptiles) 



c. Involution of germinal cells of Crustaceans. 



BAGlNSKI, S. Dr Med., Prof. — Inst, of Histol. and Embryol., Med. 

 Acad., Narutowicza Str. 60, Lodz, Poland. 



a. Histogenesis of mammalian alveolar epithelium, (in collaboration with 

 co-workers) 



b. Teratogenic action of acids on developing chicken embryos. (Aves) (in 

 collaboration with co-workers) 



