b. The fine structure of embryonic organs which exemplify inductive action. 

 Gallus domesticus (Aves) 



c. The fine structure of embryonic organs (descriptive). Gallus domesticus 

 (Aves) 



DRACHMAN, D. B. A.B.. M.D. — New England Center Hosp., Tufts Univ. 

 School of Med., 171 Harrison Ave.. BOSTON. Mass., U.S.A. 



a. Development of joints, and joint malformations. Gallus domesticus (Aves) 



b. Development of motor end plates (neuromuscular junctions). Gallus do- 

 mesticus (Aves) 



c. Developmental neuropharmacology (transmitter substances). Gallus do- 

 mesticus (Aves) 



d. Reproduction of human clinical developmental abnormalities in chick 

 embryos. ( Kernicterus, Arthrogryposis, etc.). Gallus domesticus (Aves) 



DRAGOMIROV, N. I. Dr.biol.sci., F.I.I.E., Prof. — Inst, of Animal Mor- 



phol., Acad, of Sci. of the U.S.S.R., First Academic St. 12, MOSCOW 



V-133, U.S.S.R. 

 a. The development of the lateral sensory system. Acipenser ruthenus (Chon- 



drostei) 

 DREYER, Miss M. V. M.Sc. — Dept. of Zool., Univ. of O.F.S., BLOEM- 



FONTEIN, Republic of South Africa 

 a. An histological and cytological investigation on the epithelio-neural bodies. 



Gallus domesticus (Aves) 

 DRUKKER, J. Med.Drs. — Netherlands Central Inst, for Brain Research, 



Mauritskade 59B, AMSTERDAM O., Netherlands 

 DRYLAND, Miss A. M. L. B.Sc, Ph.D. — Dept. of Anat. and Embryol., 



Univ. Coll. London, Gower St., LONDON W.C. 1, England 



a. Effects of amino-acid analogues on haemoglobin synthesis in the area 

 vasculosa. Gallus domesticus (Aves) (in collaboration with Miss E. M. 

 DEUCHAR) 



b. Studies on amino-acid activation in early embryos. Gallus domesticus 

 (Aves) 



DUBOIS, R. — Lab. d'Embryol. et Teratol. exper. du C.N.R.S., 49bis Avenue 

 de la Belle Gabrielle, NOGENT sur Marne (Seine), France 

 a. Recherches sur la lignee germinale. Gallus gallus (Aves) 



DUFAURE, J. P. Lic.es Sci. — Lab. de Biol. Anim., 1 Avenue Vercingetorix, 

 CLERMONT-FERRAND, France 

 a. Developpement embryonnaire. Lacerta vivipara (Lacertilia) 



DUFFEY, L. M. B.S., M.S., Ph.D. — Dept. of Anat, Med. Center, Univ. of 

 Alabama, 1919 Seventh Ave. So., BIRMINGHAM 3, Ala., U.S.A. 



DUKE, K. L. A.B., Ph.D. — Dept. of Anat., Med. Center, Duke Univ., DUR- 

 HAM, N.C., U.S.A. 

 a. Comparative histology of reproductive system (including developmental 

 stages and history of germ cells). Cynocephalus spec, Pteropus spec, 

 Nycticebus spec, Presbytis spec, Manis spec. (Mammalia) 



DUPRAT (ESCUDIfi), Mrs. A. M. Lic.es Sci. — Lab. de Biol, gener., Fac 

 des Sci., 118 Route de Narbonne, TOULOUSE (Hte-Gne), France 



a. Culture in vitro de cellules embryonnaires diploi'des et heteroploides. 

 (Amphibia) 



b. Etude autoradiographique du metabolisme des germes heteroploides letaux. 

 Pleurodeles waltlii (Urodela) (en collaboration avec J. C BEET- 

 SCHEN) 



45 



