DENUCE, J. M. Dr., Prof. — Dept. of Zool., Univ. of Niimegen, Driehuizerweg 200, 



NIJMEGEN, Netherlands 

 a Morphology, physiology, and biochemistry of the hatching glands. Ocyzias latipes, 



Brachydanio ren'o (Teleostei) , Xenopus laevis (Anura) 

 b Changes in protein pattern during development. Ocyzias latipes, Brachydanio rerio 



(Teleostei) 

 c Histochemical characterization of primordial germ cells. Gallus domesticus (Aves), Mus 



musculus (Rodentia) 

 DEOL, M. S. Ph.D. — Dept. of Anim. Genet., Univ. Coll. London, Gower St., LONDON 



WC1E 6BT, England 

 a Developmental genetics of mutants with abnormalities of the inner ear. Mus musculus 



(Rodentia) 

 b Developmental genetics of mutants with abnormalities of pigmentation. Mus musculus 



(Rodentia) 

 DEPARIS, P. Dr.Biol. — Lab. de Biol. Gener., Univ. Paul-Sabatier, 118 Route de Narbonne, 



31 TOULOUSE 04, France 

 a Hematopoiesis. (Urodela) 



b Tissue transplantation. Pleurodeles waltlii (Urodela) 

 DEPECHE, J. — Lab. d'Evol. des Etres Organises, Fac. des Sci., 105 Bd. Raspail, 75 PARIS 



Vie, France 

 a Physiology of embryos of viviparous species developing in vitro. Lebistes reticulatus, 



Xiphophorus helleri, Gambusia affinis, Heterandria formosa (Poeciliidae, Teleostei) 

 DERAY, A. Lic.es Sci., Doct.3e Cycle — Lab. de Zool., Fac. des Sci., Place Marechal 



Leclerc, 25 BESANgON, France 

 a Differenciation sexuelle des hybrides. (Aves) (avec L. GOMOT) 

 DERBY, A. A. Ph.D. — Biol. Dept., Univ. of Missouri-St. Louis, 8001 Nat.Bridqe Rd., ST. 



LOUIS, Mo. 63121, U.S.A. 

 a I n v i v o and in vitro study of tail resorption: biochemical changes and the role of 



thyroxine and prolactin. Rana pipiens (Anura) 

 b Qualitative and quantitative changes in pituitary gland activity during life cycle and 



identification of its hormones during metamorphosis. Rana pipiens (Anura) 

 DE REGGI, L. M. Dr.Spec. *-, Sect, de Biol. Gener. et Appl., Univ. de Lyon I, 43 Bd. du 



11 Novembre 1918, 69 VILLEURBANNE, France 

 a Variations morphologiques et physiologiques dans le developpement, sous Taction de divers 



facteurs. (Phytophthires, Hemipteta) 

 DEROM, R. M. J. M.D., Ph.D. — Dept. of Obstet. and Gynecol., Univ. of Ghent, Aan de 



Bocht 6, GENT, Belgium 

 DE SILVA, K. H. G. M. B.Sc. — Inst, of Anim. Genet., Univ. of Edinburqh, West Mains 



Rd., EDINBURGH EH9 3JN, Scotland, U.K. 

 a Uitrastructure and cytochemistry of the surface coat in early embryos. Xenopus laevis 



(Anura), Triturus alpestris (Urodela) 

 b Electron microscopy and cytochemistry of developing oocytes, especially nucleoli and 



nucleo-cytoplasmic relationships. Xenopus laevis (Anura) 

 DESVEAUX (CHABROL), Mrs. J. Lic.es Sci. — Inst. d'Embryol. et Teratol. Exper. du 



C.N.R.S., 49bis Av. de la Belle Gabrielle, 94 NOGENT-sur-MARNE, France 

 a Radioactive precursors incorporation in some embryonic tissues. Gallus domesticus (Aves) 

 b mRNA synthesis at the polysomal level in embryonic tissues; base composition of mRNA 



and rRNA. Same species as a (with L. I. SORIANO) 

 DE TERRA (WHITTAKER), Mrs. N. Ph.D. — Inst, for Cancer Research, 7701 Burholme 



Ave., PHILADELPHIA, Pa. 19111, U.S.A. 

 a Morphogenesis and nucleo-cytoplasmic interactions (microsurgery, histochemistry, auto- 

 radiography) . Stentor coeruleus (Ciliata) 

 DE TOMA, F. J. Ph.D. — Dept. of Biol. Sci., Clapp Lab., Mount Holyoke Coll., SOUTH 



HADLEY, Mass. 01075, U.S.A. 

 a Possible stimulation of the synthesis of developmental enzymes by cyclic AMP. 



Dictyostelium discoideum (Actasiales) 

 DETTLAFF, Mrs. T. A. Dr.biol.sci., Prof. — Inst, of Developm. Biol., Acad, of Sci. of the 

 U.S.S.R., Vavilov St. 26, MOSCOW 117133, U.S.S.R. • 



a Regularities of the maturation process. (Acipensevidae, Chondrostei; Amphibia) (with S. I. 



DAVIDOVA and T B. AISENSTADT) 

 b Regularities of transformation of the mitotic cycle during cleavage. (Acipensevidae, Chon- 

 drostei; Amphibia) (with G. GOLISHEVA) 

 c Relative duration of development. Xenopus laevis (Anura) (with T. RUDNEVA) 

 DE TURENNE, Miss M. Dr.Spec. — Sect, de Biol. Gener. et Appl., Univ. de Lyon I, 43 Bd. 



du 11 Novembre 1918, 69 VILLEURBANNE, France 

 a Control of DNA synthesis in the silk gland during the fifth larval instar. Bombyx mori 



(Lepidopteva) 

 DEUCHAR, Miss E. M. Ph.D. — Anat. Dept., Med. School, University Walk, BRISTOL 



BS8 1TD, England 

 a Processes of neural induction and early differentiation (tissue culture, biochemistry). 

 Xenopus laevis (Anura) 



45 



