BRADEN, A. W. H. M.Sc. Ph.D. — Sheep Biol. Lab., C.S.I.R.O.. 

 PROSPECT, N.S.W.. Austraha 

 a. Fertihzation; interaction between sperms; genetic differences in the mor- 

 phology and physiology of the gametes. Mas musculus (Rodentia) 



BRAHMA, S. K. M.Sc. D.Phil., Ph. D. — Inst, of Animal Genet., Univ. 

 Dept of Genet., King's Buildings. West Mains Rd. EDINBURGH 9, 

 Scotland 



a. Study on the process of evocation with special reference to diffusion. 

 Ttitmus alpestris, Xenopus laevis, Ambystoma spec. (Amphibia) 



b. On lens induction. Tciturus alpesttis, Xenopus laevis, Ambystoma spec. 



(Amphibia) 



c. Transfer of substances during induction. (Amphibia) (in collaboration 

 with J. L. SIRLIN) 



BRAMBELL, F. W. R. B.A.. Ph.D.. D.Sc, F.R.S.. F.I.I.E.. Prof. — Agr. 



Res. Council Unit of Embryol., Dept of Zool., Univ. Coll. of North 



Wales, BANGOR, Caernarvonshire, N.Wales 

 a. Immunological relations of mother and young. (Mammalia) 

 BRESCH, D. Lie. es Sci. — Lab. de Zool.. Inst, de Zool. et de Biol. gen.. 



Fac. des Sci.. 12 Rue de I'Universite, STRASBOURG. France 

 BRETSCHNEIDER. L. H. Prof. — Centrum voor Electronenmicroscopie, 



Janskerkhof 3. UTRECHT. Holland 

 a. Pathogenesis of egg cells. Limnaea stagnalis (Gastropoda) 

 BREWIN. B. I. M.Sc. — Dept of Zool., Univ. of Otago, DUNEDIN. New 



Zealand 

 a. Embryology and life history of a truly viviparous compound form. 



Hypsistozoa fasmeriana (Ascidia) 

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



Inst, de Zool. Torley-Rousseau, Univ. libre de Bruxelles, 50 Av. F. D. 



Roosevelt, BRUXELLES, Belgique 

 BRIGGS, R. W. Ph.D., M.I.I.E. — Dept of Zool., Indiana Univ., BLOO- 



MINGTON. Ind.. U.S.A. 

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



2988, SANTIAGO. Chile 

 BRODOWA. Mrs Ch. GRABIE M.Ph. — Zaklad Zool. Ogolnej. Inst. 



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

 a. Morphogenetical functions of the thyroid gland, especially hormonal 



action on blood. Rana spec. (Anura) 

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



Holland 

 BR0NDSTED. H. V. Dr Phil.. F.I.I.E.. Prof. — Inst, for Aim. Zool.. Uni- 



versitetsparken 3. COPENHAGEN ^. Denmark 



a. Regeneration. (Planariidae, Plathelminthes) 



b. Developmental physiology. Spongilla spec. (Porifera) 



c. Development of the brain. (Mammalia) 



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



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

 a. Effects of antisera on egg metabolism. Lytechinus variegatus (Echinoi- 



dea) 

 h. Localization of antigens within the unfertihzed egg. Strongylocentrotus 



purpuratus (Echinoidea) 



19 



