BUCHANAN. G. D. B.A., M.A., Ph.D. — Div. of Anat., Med. Units, 

 Fac. of Biol. Sci., Univ. of Tennessee, MEMPHIS 3, Tenn., U.S.A. 

 a. Mechanism of delayed implantation; experimental implantation during 

 delay. Dasypus novemcinctus (Edentata) 



BOCKMANN, D. Dr.rer.nat. — Zool. Inst, der Univ., Berlinerstr. 28, GOT- 

 TINGEN, Deutsche Bundesrepublik 



BULMER, D. M.A., M.D.— Dept. of Anat., The University, MANCHES- 

 TER 13, England 

 a. Cytochemistry of developing female genital tract. Various spp. (Mam- 

 malia) 



BUftO, W. B.Sc, Ph.D., Prof. — Dept. de Histol. y Embriol., Fac. de Med., 

 MONTEVIDEO, Uruguay, S. America 



BURDON-JONES, C. B.Sc, Ph.D., M.I.I.E. — Marine Biol. Station, Univ. 

 Coll. of North Wales, MENAI BRIDGE, Anglesey, Wales 



BURNS, R. K. A.B., Ph.D., F.I.I.E. — Dept. of Embryol., Carnegie Inst, of 

 Washington, 115 W. University Parkway, BALTIMORE 10, Md., 

 U.S.A. 

 a. Mechanisms of sex differentiation as studied experimentally. Didelphis 

 virginiana (Marsupialia) 



BURT, A. — Dept. of Anat., Med. School, Univ. of Kansas, LAWRENCE, 

 Kansas, U.S.A. 

 a. Glucose-6-phosphate dehydrogenase activity of the developing spinal 

 cord. Gallus domesticus (Aves) (in collaboration with B. S. WENGER) 



BUTLER, E. G. Ph.D., D.Sc, F.I.I.E., Prof. — Dept. of Biol., Princeton 

 Univ., Box 704, PRINCETON, N.J., U.S.A. 



a. Study of the mechanics of the formation of the regeneration blastema. 

 The influence of nerves on blastema formation. Regression in nerveless 

 non-regenerating limbs. Amby stoma punctatum, A. opacum (Urodela) 



b. Effects of ultraviolet radiation on limb development and limb regen- 

 eration. (Urodela) 



c. Problems of polarity in the limb. Regeneration after reversal of the 

 proximo-distal axis. (Urodela) 



d. Study of epidermal hyperplasia. (Urodela; Mammalia) 



BUTLER, H. M.A., M.D., B.Chir. — Dept. of Anat., Kitchener School of 

 Med., Univ. of Khartoum, KHARTOUM, Sudan 



a. The reproductive cycle and early development. Galago seneg. senegalen- 

 sis (Primates) 



b. The development of the intestine. Hyrax spec. (Hyracoidea) 

 BUTROS, J. M. M.A., Ph.D. — Dept. of Biol., American Univ., BEIRUT, 



Lebanon 

 a. Differentiation of fragments of blastoderms cultured in vi t r o on 

 media containing desoxyribonucleic acid. Gallus spec. (Aves) 



BUTSCHAK, G. Dipl.Biol. — Inst, fur Med. und Biol., Deutsche Akad. der 

 Wiss., Lindenberger Weg 70, BERLIN-Buch, D.D.R. 



BUYUKoZER, Miss I. M.D. — Morfol. Enst, Tip Fakultesi, Ege Univ., 

 IZMIR, Turkey 



— Temporarily: Dept. of Anat., Middlesex Hosp. Med. School, LON- 

 DON W. 1, England 



a. Neural crest and optic vesicle. (Vertebrata) 



b. The ovary. Homo sapiens (Primates) 



25 



