b The effects of anti-metabolites on development and morphology. Ocyzaephilus surinameri' 

 sis (Silvanidac, Colcoptera), Melanoplus sanguinipes (Acrididae, Orthoptera), Ctenicera 

 destructor (El ateridac, Coleoptera) t.^-kt^,- rrr »t 



DAVIS, L. V. Ph.D. — Dept. of Zool.. Univ. of Hawaii. 2538 The Mall, HONOLULU. 

 Hawaii 96822. U.S.A. 



a The relative contribution of mitosis and cell migration to growth and regeneration, studied 

 by double isotope autoradiography. Hydra piracdi, H. littoralis (Hydroidea) 



b Inhibitory control of cell division by a-ketoaldchyde compounds. 



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

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



a Deoxyribonucleic acid synthesis during early development. Rana pipiens, Xenopus laevis 



DBALf, J. MUDr. — Dept. of Anat., Charles Univ., U nemocnice 3, PRAHA 2, Czecho- 

 slovakia 

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



domesficus (Aves), Rattus norvegicus (Rodentia) 

 DEAN D Ph.D., Prof. — Ira C. Darling Center (Marine Laboratory). Univ. of Maine, 



WALPOLE. Me. 04513, U.S.A. 

 a Descriptive morphology of larvae. Sabellacia vulgaris (Sedentada. Polychaeta), HarmO' 



thoe extenuata (Errantia, Polychaeta) 

 b Life history; development from egg through young adult. Potamilla neglecta (Polychaeta) 

 c Development from the three setiger planktonic larva to metamorphosis. (Polydora spec. 



(Sedentaria, Polychaeta) 

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



England 

 a Development of the cephalic complex in larva and pupa (microscopical examination, effects 



of dietary and other external influences, pharmacological effects, tissue culture). Drosophila 



melanog aster (Dipteta) 

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



ARMIDALE 5 N., N.S.W., Australia 

 a Normal embryology. Kyarranus sphagnicolus (Leptodactylidae, Anura) 

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

 DE BOOM, H. P. A. Prof. — Dept. of Anat., Fac. of Veter. Sci., Univ. of Pretoria, P.O. 



ONDERSTEPOORT, South Africa 

 a Teratogenesis of several congenital conditions (skew face, toothlessness, laminitis). Bos 



tauTus (Artiodactyla) 

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

 LOTTESVILLE, Va. 22901, U.S.A. 

 a Elicitation of limb regeneration by means of microquantities of tissue extracts. Diemictylus 



viridescens (Urodeta) 

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

 c Origin and development of cell surface coats. Perophora viridis (Tunicata) 

 DECROLY (BRIERS), Mrs. M. Dr.Chem. — Lab. de Morph. anim., Univ. libre de Bruxel- 



les, 67 Rue des Chevaux, RHODE-ST-GENESE, Belgique 

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



laevis (Anura) 

 h Etude des ribosomes au cours du developpement. Xenopus laevis (Anura) 

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



Casilla Postal 362. CCRDOBA, Argentina 

 a Gulonolactoneoxidase inhibition in the embryo, and the mechanism of enzyme repression 



with the product: ascorbic acid. Gallus domesticus (Aves) 

 DE FEO, V. J. Ph.D., Prof. — Dept. of Anat., School of Med., Univ. of Hawaii, 2538 The 



Mall. HONOLULU, Hawaii 96822, U.S.A. 

 a Blastocyst-endometrial relationship. (Rodentia) 

 b Decidualization. (Rodentia) 



c Hormonal regulation of uterine RNA. (Rodentia) 

 DEGENHARDT, K.-H. Dr.med., Prof. — Inst, fiir Humangenetik und vergl. Erbpathol. der 



Univ., Med. Fak., Paul-Ehrlich-Str. 41, 6-FRANKFURT/Main, Deutsche Bundesrepublik 

 a Descriptive embryology. Ocyctolagus cuniculus (Lagomorpha), Musfela erminea (Carni- 



vara), Mesocdcetus auratus, Mus muscutus (Rodentia) 

 b Experimental embryology. Ocyctolagus cuniculus (Lagomorpha). Mustela erminea (Carni- 



vora), Mesocdcetus auratus, Mus musculus (Rodentia) 

 c Developmental genetics. Oryctolagus cuniculus (Lagomorpha), Mustela erminea (Carni- 



vora), Mus musculus (Rodentia) 

 d Developmental pathology. Oryctolagus cuniculus (Lagomorpha), Musfela erminea (Carni- 



vora), Mus musculus, Mesocdcetus auratus (Rodentia) 

 e Influence of antimetabolites (2-desoxy-5-fluorocytidin) on pattern formation in early 



primordia of different inbred strains. Mus musculus. Mesocricetus auratus (Rodentia 

 i Influence of X-irradiation (dosages: 130 r, 65 r, 30 r, 15 r, 7 r) on pattern formatio.i in 

 early primordia of embryonic development. Mus musculus, Mesocricetus auratus (Roden- 

 tia) 



39 



