Bri-Cai 



BRIEN. P. L. F.I. I.E.. Dr Sci.Zool., Prof. — Lab. de Zool.. Fac. des Sci.. 



Inst, de Zool. Torlcy-Rou.s.scau, Univ. libre de Bruxelles, 50 Av. F. D. 



Roosevelt. BRUXELLES, Belgique 

 a. Morphologic, embryologic, blastogenese, gametogenese. regeneration. 



transplantation, irradiations par rayons X. Ilijdra fusca. Hydra atte- 



nuata. Hijdra viridis (Hijdroidca. Coelenterata) . Frcdericella sultana, 



Pliimatclla [ungosa, Lophopus crystallinus, Cristatella mucedo (Bryozoa, 



Ectoprocta), Pedicellina cernua (Kamptozoa. Endoprocta) 

 BRIGGS. R. W. Ph.D. — Lankenau Hospital Research Inst, and Inst, for 



Cancer Research. Burholme Ave, Fox Chase, PHILADELPHIA 11, Pa. 



U.S.A. 

 a. The problem of nuclear differentiation, investigated by means of trans- 

 plantation of embryonic cell nuclei into enucleated eggs. Rana (Anura) 



(in collaboration with T. J. KING) 

 BRIONES, H. M.D. — Inst, de Biol. ..Juan Noe". Univ. de Chile. Casilla 



2988, SANTIAGO, Chile 

 BRODOWA. Mrs Ch. GRABIE M.Ph. — ZaWad Zool. Cgolnej. Inst. 



Zool., Uniw. we Wroclawiu, ul. Sienkiewicza 21, WROCLAW, Poland 

 a. Morphogcnetical functions of the thyroid gland, especially hormonal 



action on blood. Rana (Anura) 

 BROEK, A. J. P. v. d. F.I.I.E., Prof. (Emer.) — Biltstraat 109. UTRECHT. 



Holland 

 BROERS. C. J. M.Sc. — Anat.-Embryol. Lab. der Rijks Univ., Janskerk- 



hof 3. UTRECHT, Holland 

 a. The development of the tympanic region and skull. (Mammalia) 

 BR^NDSTED, H. V. F.I.I.E., Dr Phil.. ProL — Inst, for Aim. Zool.. Uni- 



versitetsparken 3. COPENHAGEN 0. Denmark 

 a. Regeneration. (Planariidae, Plathelminthes) 

 h. Developmental physiology. Spongilla (Porifera) 

 BROOKBANK. J. W. B.A., M.S., Ph.D. — Dept of Biology. Univ. of 



Florida. GAINESVILLE, Florida, U.S.A. 



a. Urease of developing embryos. Strongylocentrotus purpuratus. 



b. Effects of antisera on cleavage. Lytechinus pictus (Echinoidea) 

 BROUWER, P. J. M.B. — Anat.-Embryol. Lab. of the Univ.. Fac. of Med., 



Wassenaarseweg. Boerhaavekwarticr. LEIDEN. Holland 

 a. Development of thyroid gland and teeth (investigations with radio-active 



isotopes) (in collaboration with J. DANKMEfjER) 

 BROWN, J. W. A.B., M.A.. Ph.D. - Dept of Anat., School of Med.. 



Univ. of Pittsburg, PITTSBURGH : Pa, U.S.A. 

 a. n<»velopment of the nucleus of the .^pinal tract of trigeminal nerve. 



iii^mo (Primates) 

 BRUNOLD, Miss E. Dr Phil. — Zool. Inst, der Eidg. Techn. Hochschule. 



Universitatsstr. 2. ZURICH. Schweiz 

 a. Die Entwicklung der ? Geschlechtsorgnnc wahrend der Puppenzeit. 



Solenobia triquetrella (Lepidoptera) . 

 BRUNST. V. V. Dr Biol. — Roswell Park Memorial Inst.. 663 N-Oak St, 



BUFFALO 3. N.Y., U.S.A. 

 a. Experimental developmental morphology. Siredon mexicanum (ilrodela) 

 h. Development and pathology. Siredon mexicanum (Urodela) 



c. Regeneration. Siredon mexicanum (Urodela) 



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