a. Skin grafting: factors affecting graft rejection and the nature of the immune 

 reaction. Rana pipiens, R. catesbeiana (Anura) 



b. Time and nature of determination of some areas of skin. Rana pipiens 

 (Anura) 



BOVING, B. G. A.B., M.D., M.I. I.E. — Dept. of Embryol., Carnegie Inst, of 

 Washington, 1 15 W. University Parkway, BALTIMORE 10, Md., U.S.A. 



a. Blastocyst spacing, orientation and implantation mechanisms. Oryctola- 

 gus cuniculus (Lagomorpha) 



b. Relation of trophoblast invasion to bloodvessels underlying uterine epithel- 

 ium, and the anatomical and chemical basis for it. Oryctotagus cuniculus 

 (Lagomorpha) 



c. Identification and function of non-cellular blastocyst coverings. Oryctota- 

 gus cuniculus (Lagomorpha) 



BOYD, J. D. M.A., D.Sc, M.D., F.I.I.E., Prof. — Anat. School, Univ. of 



Cambridge, CAMBRIDGE, England 

 a. The development and structure of the placenta. Homo sapiens (Primates) 



(in collaboration with W. J. HAMILTON, London) 

 BOYDEN, E. A. Ph.D., Prof.— (Emer. Prof.) Inst, of Anat., School of Med., 



Univ. of Minnesota, MINNEAPOLIS 14, Minn., U.S.A. 



— (Research Prof.) Med. School, Univ. of Washington, SEATTLE 5, 



Wash., U.S.A. 

 a. Postnatal growth of the lungs (from late fetal stage to adult). Canis 



spec. (Carnivora) , Homo sapiens (Primates) 

 BRACHET, J. L. A. M.D., D.Sc, F.I.I.E., Prof. — Lab. de Morphol. anim., 



Univ. libre de Bruxelles, 1850 Chaussee de Wavre, BRUXELLES-Auder- 



ghem, Belgique 



a. Studies on the metabolism of lethal hybrids. (Amphibia) 



b. Role of -SH groups in morphogenesis. (Amphibia) 



c. Effects of lipoic acid on morphogenesis. (Amphibia; Aves) 



d. Effects of actinomycine D and puromycine on morphogenesis. (Amphibia) 

 BRADEN. A. W. H. M.Sc, Ph.D. — Div. of Animal Physiol., C.S.I.R.O., 



Ian Clunies Ross Animal Research Lab., Great Western Highway, (P.O. 

 Box 144, Parramatta), PROSPECT, N.S.W., Australia 

 a. Fertilization; interaction between sperms; genetic differences in the phy- 

 siology of the gametes. Mus musculus (Rodentia), Ovis spec. (Artio- 

 dactyla) 



BRAHMA, S. K. M.Sc, D.Phil., Ph.D. — Biol. Div., Oak Ridge National 

 Lab., P.O. Box Y, OAK RIDGE, Tenn., U.S.A. 

 a. The pattern of macromolecular synthesis in embryonic induction. Tritu- 

 rus pyrrhogaster (Urodela) (in collaboration with T. YAM AD A) 



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

 cultural Research Council Unit of Embryol., Dept. of Zool., Univ. 

 Coll. of North Wales, BANGOR, Caernarvonshire, Wales 

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



BRANDOM, W. F. A.B., M.A., Ph.D. — Dept. of Zool., Newcomb Coll., 

 Tulane Univ., NEW ORLEANS 18, La., U.S.A. 



BRAUCKMAN, Miss E. S. Dr. — Inst, de Biol. Gener. y Embriol. Exper., 

 Buenos Aires 289, TUCUMAN, Argentina 



a. Sulfhydryl groups during neural tube closure. Gallus domesticus (Aves) 



b. Biochemistry of neural tube closure. Bufo arenarum (Anura) 



25 



