Beno 12 Bil 



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

 France, Place Marcelin Berthelot, PARIS V^, France. 

 a. Development of gonads, hypophysis and hypothalamus. Gallus, Anas 

 and Columba (Aves) (in collaboration with I. ASSENMACHER) 

 BENOIT, J. A. A. Agr.d'Anat. — Ecole Nationale Veterinaire, TOU- 

 LOUSE, France, 

 a. Etude de la cinematique tardive des greffons d'organisateur. Triton, 



Pleurodeles, Ambystoma (Urodela) 

 h. Localisation des rayons X avec I'appareil Philips de contact: application 

 a I'embryogenie. Salmo fario (Teleostei) 

 BER, A. Dr, Prof. — Dept of Endocrinol., Fac. of Med., Acad, of Lodz, 

 Nowotki 137. L6DZ, Poland, 

 (no embryological work in progress) 

 BERG, W. E. A.B., M.S., Ph.D., Prof. — Dept of Zool., Univ. of CaUf., 

 BERKELEY 4, Cal.. U.S.A. 

 (no data received on Nov. 1^*, 1952) 

 BETRGQUIST, H. — Tornblad-Inst. of comp. Embryol., Biskopsgatan 7, 

 LUND, Sweden. 

 a. The ontogeny of the diencephalon. (Reptilia and Mammalia) 

 BERNSTEIN, M. H. Ph.D. — Dept of Zool., Univ. of Cahfornia, BER- 

 » KELEY 4, Cal:, U.S.A. 



a. Nuclease and nucleic acid metabolism of embryonic material. Strongylo- 

 centtotus purpuratus (Echinoidea) , Rana pipiens (Anura) 



b. Effects of homologous and heterologous nucleoproteins on early develop- 

 ment. ( Echinodetmata) 



BERRILL, N. J. Ph.D., D.Sc, Prof. — Dept of Zool., McGill Univ., MON- 

 TREAL. Quebec, Canada, 

 (no data received on Nov. 1^', 1952) 



BIER, K. Dr rer.nat. — Inst, fiir Angewandte Zool. der Univ., Naturw. 

 Fak., Rontgenring 10. WuRZBURG, Deutschland. 



a. Untersuchungen iiber das Schick^al des Polplasmas wahrend der Friih- 

 embryogenese. Camponotus liguiperda, Formica tufa (Formicidae, Hyme~ 

 noptera) 



b. Entwicklung der larvalen Gonaden. Formica rufa u.a. (Formicidae, Hy- 

 menoptera) 



BIJTEL, Miss J. H. Dr Sc. — Anat.-Embryol. Lab. der Rijks Univ., Oos- 

 tersingel 69, GRONINGEN, Holland. 



a. Investigations concerning the process of outgrowth of the tail with special 

 reference to the role of the chorda dorsalis and the tail mesoderm. Amby- 

 stoma mex., Triton taen. and Xenopus laevis (Amphibia) 



b. Experiments concerning the factors which determine the normal course 

 of the outgrowing pronephric duct. Ambystoma mex., Triton taen. and 

 Xenopus laevis (Amphibia) 



c. Development and phylogenetic origin of the columella auris. Ambystoma 

 mex., Triton taen. and Xenopus' laevis (Amphibia) 



d. The development of the eye. Xenopus laevis (Anura) (Normal Table) 

 BILLINGHAM, R. E. M.A., D.Phil. (Oxon) — Dept of Zool. and Comp. 



Anat., Univ. Coll. London, Gower Str., LONDON W.C. 1, England 

 (U.K.) 

 a. Development of capacity to respond to homologous antigens. Bos taurus 

 (Artiodactyla) and Mus musculus (Rodentia) 



