Dl SVAUX, 1 . X. M.Sc. Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS Cedex 05, 



France 

 .i Electrophoretic variation of proteins in ontogenesis. Pleurodeles waJtlii (Urodela) 

 DESVI \l \ u HABROL), Mrs. J. Lie.es Sei. Inst. d'Embryol, et Teratol. Exper. du C.N.R.S., 



49bis Av. de la Belle Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a mRNA synthesis at the poly soma! level in embryonic skin; hydrocortisone effects on free and 



bound polysomes o\' nine days embryonic skin. Gallus domesticus ( Aves) (with L. SORIANO) 

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



Vavilov St. 26, MOSCOW 117334, U.S.S.R. . ISDB 



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



DAVIDOVA and T. B. AISENSTADT) 

 b Regularities of transformation of the mitotic cycle during cleavage. Same species as a 

 c Relative duration of development and normal table. Ambystoma mexicanum (Urodela) (with 



V. P. BOZDZILOVSKAYA) 

 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 

 DEUCHAR, Miss E. M. Ph.D. Anat. Dept., Bristol Univ., University Walk, BRISTOL BS8 1TD, 



England 

 a Processes of neural induction and early differentiation (tissue culture). Xenopus laevis (Anura) 

 b Morphogenetic movements and tissue differentiation in primitive streak to somite stages (cine- 

 matography and operations in embryo culture). Rattus norvegicus (Rodentia) 

 c Effects of maternal immune sera and lymphocytes on embryonic tissues in vitro, Mus musculus 



(Rodentia) 

 DEVILLERS, Ch. Dr.es Sci., Prof. - Lab. d'Anat. Comp., Univ. de Paris VII, 2 place Jussieu, 75 



PARIS Ve, France ISDB 



a Respiration during early stages of egg development, especially relation with oxidative phosphoryl- 

 ations as shown by the action of 2,4-dinitrophenol and some inhibitors of respiration. Salmo 



irideus, S. fario (Teleostei) (with M. CHANCONIE) 

 DE VINCENTIIS, M. Prof. ILChair of Histol. and Embryol., Univ. of Napoli, Via Mezzocannone 8, 



80134 NAPOLI, Italy ISDB 



DEWES, E. Dr.rer.nat. - Inst, fur Entw. physiol., Univ. zu Koln, Gyrhofst.17, 5 KOLN 41, B.R.D. 



(Germany) 

 a Experimental investigations of the post-embryonal differentiation and regulation of male imagi- 



nal discs. Ephestia kuhniella (Lepidoptera) 

 DHAINAUT, A. Dr.es Sci. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P. 36, 59650 



VILLENEUVE D'ASCQ, France 

 a Oogenesis in the absence of brain hormone. (Nereidae, Polychaeta) 



b Golgi complex evolution and polysaccharide secretion in the oocyte. Nereis spec. (Polychaeta) 

 c Oogenesis and vitellogenesis. Sepia officinalis (Cephalopoda) 

 D'HONDT, J. L. Lab. de Biol, des Invert. Marins et Malacol., Museum Natl. d'Hist. Nat., 57 rue 



Cuvier, 75005 PARIS, France 

 a Metamorphosis. (Ectoprocta) 

 DHOUAILLY, Miss D. Dr.spec. - Lab. de Zool., Dept. de Biol., Univ. Sci. et Med. de Grenoble, 



B.P.53, 38041 GRENOBLE, France 

 a Experiments on the differentiation of the cutaneous appendages in chimaeric combinations 



between different species. (Reptilia; Aves; Mammalia) 

 b Formation of barb ridges in feather filaments (Aves) 

 c Ultrastructure of developing feather keratins. (Aves) 



DICK, D. A. T. D.Sc, Prof. - Dept. of Anat., Univ. of Dundee, DUNDEE DD1 4HN, Scotland, U.K. 

 a Study of water and ion fluxes in oocytes. Bufo bufo (Anura) 

 DIDIER (MARTIN), Mrs. E. Dr.es Sci. - Lab. de Biol. Anim., Univ. de Clermont, B.P.45, 63170 



AUBIERE, France 

 a Experiments on germ cell population and gonad organogenesis. (Aves) 

 DIETERLEN (LIEVRE), Mrs. F. Dr.es Sci. - Inst. d'Embryol. Exper. du Coll. de France et du 



C.N.R.S., 1 1 Place M.Berthelot, 75 PARIS Ve, France ISDB 



a La differentiation chimique du pancreas de l'embryon. Gallus domesticus (Aves) (avec 



D. BEAUPAIN) 

 b Demonstration of insulin and glucagon in dorsal and ventral pancreatic buds (immunocytology). 



Gallus domesticus (Aves) 

 c Experimental analysis of spleen morphogenesis. Gallus domesticus, Coturnix c. japonica (Aves) 

 DIETHELM, F. - Dept. d'Embryol. et Teratol. Exp., Inst, de Zool., Univ. de Fribourg, 1700 



FRIBOURG, Switzerland 

 a Morphogenese du neurocrane. Gallus gallus (Aves) 

 b Action de l'actinomycine D et de la puromycine sur le developpement de la tete embryonnaire. 



Gallus gallus (Aves) 

 DI GRANDE, Miss F. Dr. - Inst, of Zool. , Univ. of Bologna, Via S. Giacomo 9, 40126 BOLOGNA, 



Italy 

 a X-ray destruction of germ cells, sterile gonad development and sex differentiation. Bufo bufo, 



Rana dalmatina (Anura) 

 b Descriptive and experimental study of development and sex differentiation of genital apparatus. 



Sepia officinalis (Cephalopoda) 

 c Regeneration and origin of germ cells. Mercierella enigmatica (Serpulidae, Polychaeta) 

 DIJK, Miss J. G. van Drs. - Lab. for Cell Biol, and Histol., State Univ., Rijnsburgerweg 10, LEIDEN, 

 Netherlands 



28 



