DAVID, G. Dr.en Med., Prof. — Lab. d'Histol.-Embryol. A, Fac. de Med., 45 rue des Sts. 



Peres. 75 PARIS Vie, France 

 DAVIDOVA, S. I. — Inst, of Developm. Biol., Acad, of Sci. of the U.S.S.R., Vavilov St. 26, 



MOSCOW 117133, U.S.S.R. 

 a Effect of gonadotropins and changes in the germinal vesicle and in the oocyte cytoplasm 



during maturation. (Acipenseridae, Chondrostei; Amphibia) (with T. A. DETTLAFF and 



T. B. AISENSTADT) 

 DAVIDSON, E. H. Ph.D., Prof. — Div. of Biol., Calif. Inst, of Technol., PASADENA, 



Calif. 91109, U.S.A. 

 a Molecular biology of oogenesis and early development, particularly gene activation. 



Ilyanassa obsoleta (Gastropoda) , Strong ylocentrotus purpuratus (Echinoidea), Engysto~ 



mops pustulosus, Xenopus laevis (Anura) 

 DAVIES, D. V. f D.Sc, Prof. — St. Thomas's Hosp. Med. School, LONDON S.E.I, 



England 

 DAVIS, Ch. C. Ph.D., Prof. — Dept. of Biol., Mem. Univ. of Newfoundland, ST. JOHN'S, 



Nfld., Canada 

 a Hatching mechanisms in aquatic species. Invevtebrata 

 DAVIS, G. R. F. Ph.D. — Research Station, Res. Branch, Canada Agric, Univ. Campus, 



SASKATOON, Sask., Canada 

 DAWES, C. M. Ph.D. — Dept. of Physiol, and Chem., Royal Vet. Coll., Royal College 



Street, LONDON N.W.I, England 

 a Respiration and acid-base regulation. Gallus domesticus (Aves) 

 DAWID, I. Ph.D. — , Dept. of Embryol., Carnegie Inst, of Washington, 115 W.University 



Parkway, BALTIMORE, Md. 21210, U.S.A. • 



a Regulation of synthesis of nuclear and cytoplasmic mitochondrial nucleic acids during 



early development. Rana pipiens, Xenopus laevis (Anura) (with I. HORAK and G.-J. 



WU) 

 DBAL?, J. MUDr. — Dept. of Anat., Div. of Appl. and Topogr. Anat., Univ. of Bern. 26 



Buehlstr., CH-3012 BERN, Switzerland 

 a Development of coronary arteries under normal and experimental conditions. Gallus 



domesticus (Aves), Rattus norvegicus (Rodentia) 

 b Heart morphometry. Gallus domesticus (Aves), Rattus norvegicus (Rodentia) 

 DEAN, D. Ph.D., Prof. — Dept. of Oceanography, Ira C. Darling Center for Research, 



Teaching, and Service, (Marine Lab.), Univ. of Maine, WALPOLE, Me. 04573, U.S.A. 

 a Reproductive biology. Ophioglycera gigantea (Errantia, Polychaeta) 

 DEARDEN, M. B.Sc. — Didsbury Coll. of Educ, Wilmslow Rd., MANCHESTER 20, 



England 

 a Development of behaviour during ontogeny, and its relation to growth of sense organs, 



especially behaviour dependent on visual stimuli. Drosophila spec. (Diptera) 

 DE BAVAY, J. M. F. X. B.Sc. — Dept. of Zool., Fac. of Sci., Univ. of New England, 



ARMIDALE, N.S.W. 2351, Australia 

 DE BEER, Sir G R. Prof. — La Colline, 1880 BEX, Switzerland • 



DECK, J. D. Ph.D., Prof. — Dept. of Anat., Med. School, Univ. of Virginia, CHARLOT- 

 TESVILLE, Va. 22901, U.S.A. 

 a Cytological changes in regenerating epithelium. Mus musculus (Rodentia) 

 b Cytological changes in muscle after injury. Diemictylus viridescens (Urodela) 

 c Origin and development of cell surface coats. Perophoca viridis (Ascidiacea) 

 DECKER, J. D. Ph.D., Prof. — Dept. of Anat., Coll. of Med., Univ. of Missouri, COLUM- 

 BIA, Mo. 65201, U.S.A. 

 a Neurogenesis and the development of behavior. (Reptilia, Aves, Mammalia) 

 b An atlas of development. Homo sapiens (Primates) 

 DECROLY (BRIERS), Mrs. M. D.Sci.Chim. — Lab. de Cytol. et Embryol. Molec, Univ. 



libre de Bruxelles, 67, rue des Chevaux, 1640 RHODE-ST-GENESE, Belgium • 



a Metabolisme des acides nucleiques au cours du developpement embryonnaire. Xenopus 



laevis (Anura) 

 b Dissociating factor of ribosomes and mechanism of initiation of protein synthesis during 



development. Xenopus laevis (Anura) 

 c Mesure de la capacite template des acides ribonucleiques au cours du developpement 



embryonnaire, dans un systeme heterologue et un systeme homologue. Xenopus laevis 



(Anura) 

 DE FABRO, Miss S. P. Ph.D., Prof. — Inst, de Biol. Celular, Univ. Nac. de Cordoba, 



Casilla Postal 362, CORDOBA, Argentina 

 a Sorbitoldehydrogenase in the embryo: spectrophotometry, histochemistry, electrophoresis. 



Gallus gallus (Aves) 

 DE FEO, V. }. Ph.D., Prof. — Dept. of Anat., Univ. of Hawaii, 1960 East- West Rd., 



HONOLULU, Hawaii 96822, U.S.A. 

 a Blastocyst-endometrial relationship. (Rodentia) 

 b Decidualization. (Rodentia) 

 DE FOSSARD, R. A. Ph.D. — Dept. of Bot, Univ. of New England, ARMIDALE, 



N.S.W. 2351, Australia 



43 



