Bea 64 Berg 



BEAN, Mrs E. S. (data not yet received). 



BEATTY, R. A. Effect of specific enzyme poisons on embryonic 

 development. Correlation of developmental events with activity of 

 specific enzymes. Rana temporaria and Triton spp. Illb. 2c. e. J. 



Influence of maternal environment and cytoplasm of female-sterile 



mutants on egg development. Mode of action of the "fused" factor 

 on development. Drosophila melanog aster. IIlc. lb. D. 



Heteroploidy in mammals. Spontaneous heteroploidy — analysis 



of factors involved. Induced heteroploidy — methods of production. 

 Viability of polyploid embryos. Physiological embryology of poly- 

 ploid embryos. Mus tnusculus. IIlc. 2. M. 

 (in collaboration with M. FISCHBERG) 



Transplantation of mammalian ova. Mus musculus. Ilia. lb. M. 



(in collaboration with M. FISCHBERG) 



BECCARI, N. (no embryol. work in progress). 



BEER, G. R. de Studies on the structure of the egg-tooth and the 

 caruncle in amphibians, reptiles and birds. II. 8. V. 



The egg-tooth and caruncle of the Monottemes. II. 8. M. 



(in collaboration with J. P. HILL) 



Studies in the derivates of the neural crest with special reference 



to dermal bone. Vertebrates. II. 7. V. 



Some aspects of the problems of homology (with sp. ref. to the 



bicentenary of the birth of GOETHE). Vertebrates. II. la. V. 



Development of the urino-genital canals in domestic mammals. 



(in collaboration with E. C. AMOROSO) II- 17. M. 



The structure of the placenta of Anomalurus. II. 3. M. 



(in collaboration with E. C. AMOROSO) 



BELANGER, L. F. The mechanism of deposition of Phosphorus and 

 other mineral components of bones and teeth, as revealed with the 

 help of radioisotopic tracers and the "coated autograph" technique. 

 White Rat, the Golden Hamster (Cricetus aureus) and the Frog 

 tadpole. Small reptiles of the order Squamata are also to be used 

 shortly. Illb. ll.d.V. 



BELLAIRS, A. d'A. Development and morphology of the head struc- 

 tures in a large number of species of reptiles, studied mainly by 

 serial sections of the forms below. II. 2b. K. 



BENAZZI, M. Fertilization, pseudogamy, cytology, heredity in 

 Planarians. Species of Tricladida. I. 4. C. 



BENAZZI— LENTATI, Mrs G. Fertilization and cytology in Pla- 

 narians. Species of Dugesia (Tricladida). I. 4. C. 



BENOIT, J. Development of gonads, hypophysis and hypothalamus in 

 birds. Chick, duck and pigeon. I. 18. L. 



(in collaboration with I. ASSENMACHER) 



BER, A. The influence of hormones on metamorphosis. Vertebrates? 

 (in collaboration with A. ORLOWSKI) V. 2. f. V.? 



BEREK, L. Researches on the time of appearing of lipoids in the 

 embryonic cartilages. Vertebrates. Illb. 1 I.e. V. 



(in collaboration with I. NAGY and Gy. SAVAY) 



BERG, W. E. Physiological and biochemical studies of mosaic eggs. 

 Mytilus edulis (Pelecypoda) . Illb. 2a. c. E. 



