Oryctolagus cuniculus (Lagomorpha), Mus musculus, Mesocricetus auratus (Rodentia), Felis 



sylvestris catus (Carnivora) 

 DENNF, M. P; Ph.D. - Dept. of Forest, and Wood Sci., Univ. Coll. of North Wales, BANGOR, 



Cacrns., Wales, U.K. 

 a Environmental control of xyleni development. Pinus sylvestris, Picea sitchensis (Gymnospermae) 

 DENNHOFER, Mrs. L.; Dr.rer.nat. - Inst, fiir Entw.physiol., Univ. zu Koln, Gyrhofstr. 17, 5 KOLN 



41, B.R.D. (Germany) 

 a In vitro study of the relation between puffing and development of salivary gland chromosomes. 



Drosophila melanogaster (Diptera) 

 b Cytogenetics (aberrations, sex determination, gene location) and morphology of salivary gland 



chromosomes. Culex pipiens (Diptera) 

 DENOULPT, Ph.; M.Sc. - Lab. de Genet, du Devi., Univ. P.et M.Curie, Ctr. de Rech. d'lvry, 67 rue 



M.Gunsbourg, 94200 IVRY-sur-SEINE, France 

 a Biosynthesis of RNA during oosenesis. Pleurodeles poireti (Urodela) 



DENUC£, .1. M.; Dr., Prof. - Dept. of Zool., Cathol. Univ., Toernooiveld, NIJMEGEN, Netherlands 

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



rerio (Teleostei), Xenopus laevis (Anura) 

 b Changes in protein pattern during development. Ephydatia fluviatilis (Porifera). Bombyx mori 



(Lepidoptcra), Oryzias latipes, Brachydanio rerio (Teleostei) 

 DFOL, M. S.; Ph.D., D.Sc. - Dept. of Human Genet, and Biometry, Univ. Coll. London, Wolfson 



House, 4 Stephenson Way, LONDON NWl 2HE, England 

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

 b Developmental genetics of mutants with abnormalities of pigmentation. Same species as a 

 c Mosaicism. Same species as a 

 DFPARIS, P.; D.Sc. - Lab. de Biol. Gen., Univ. Paul-Sabatier, 118 Rte de Narbonnc, 31077 



TOULOUSE Cedex, France 

 a Hematopoiesis. (Urodela) 



b Tissue transplantation. Pleurodeles waltlii (Urodela) 



c Hemoglobin switch (immunofluorescence; in vitro culture). (Urodela) (with A. M. DUPRAT) 

 DE PETROCELLIS, Miss B; Ph.D. - Lab. of Molec. Fmbryol., Consiglio Naz. delle Ricerche, Via 



Toiano 2, ARCO FELICE, C.P. 3042, 80100 Napoh, Italy 

 a Enzymes controlling DNA synthesis in developing embryos. Paracentrotus lividus (Echmoidea) 

 DERAY, A.; Lic.es Sci., Dr.3e Cycle - Lab. de Zool. et Embryol., Univ. de Besan^an, Place Marechal 



Lec'lerc, 25030 BESAN^ON Cedex, France 

 a Differcnciation scxuclle des hybrides femelles et des individus des especes parentes. (Aves) (avec 



DERKSEN, J.; Drs. Dept. of Genet., Univ. of Nijmegen, Toernooiveld, NIJMEGEN, Netherlands 

 a Biochemistry and ultrastructure of specific nuclear ribonucleoprotein fractions. Drosophila hydei 



DEROM, R. M. .1.; M.D., Ph.D. - Dept. of Obstet. & Gynecol., Univ. of Gent, Aan de Bocht 6, GENT, 



Belgium , , r> r. ..r l TT 



DESSER-WIEST, Mrs. L.; Dr. - Inst, fur Krebsforsch., Univ. Wien, Borschkegasse 8a, Postfach 72, 



1090 WIEN, Austria 

 a Growth regulation. (Rodentia) 



b Influence of hormones on liver regeneration. (Rodentia) , , ,, A.^oTi-r, 



DESTR^.E, O. H. J.; Drs. - Anat.-Embryol. Inst., Univ. of Amsterdam, Mauntskade 61, AMSlbK- 



DAM-b., Netherlands 

 a Histones in early embryonic development. Xenopus laevis (Anura) -.^-.o^ r. a r>.c 



DESVAUX, F. X.; Dr.3e Cycle - Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS 



Cedex 05, France 

 a Elcctrophoretic variation of proteins in ontogenesis. Pleurodeles waltlii (Urodela) 

 DESVEAUX (CHABROL), Mrs. J.; Lic.Sci. - Inst. d'Embryol. et Teratol. Exp. du C.N.R.S., 49bis Av. 



de la Belle Gabrielle, 94130 NOGENT-sur-MARNE, France 

 a mRNA synthesis at the polysoinal level in embryonic skin of nine and eleven days: metabolism ot 



1 2 S RNA, putative keratin messenger. Gallus domesticus (Aves) 

 b Immunological detection of new embryological components of skin keratins. Same species as a 



(withE. J.C. SMITH) _. ^, ,,^^„,, ., 



DETTLAFF Mrs. T. A.; Dr.biol., Prof. - Inst, of Developm. Biol, Acad, of Sci. of the USSR, Vavilov 



St. 26. MOSCOW n7334, U.S.S.R. , ., ^ . • , 



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



S. f. 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) ^^ . 



d Influence of environmental conditions on the reaction of the follicle to hormones. (Acipen- 

 seridae, Chondrostei) (with S. I. DAVIDOVA) , .OT.J ^ 11 

 DE TURENNE Miss M.; Dr.Spec. - Sect, de Biol. Gener. et Appl., Umv. de Lyon I, 43 Bd. du 11 



Novembre'l918, 69621 VILLEURBANNE, France 

 a Control of DNA synthesis in the silk gland during the fifth instar: role of enzymes (DNA- 



polymerase, kinases, ribonucleotide-reductase) and pools of deoxyribonuclcoside triphosphates. 



Bombyx mori (Lcpidoptera) cvuTfo 



DEUCHAR Miss E. M.; Ph.D. - Dept. of Biol. Sci., Hatherly Labs., Univ. of Exeter, hXhlLK 



EX4 4PS, England , ■ . , ■ 



a Morphogenetic movements and tissue differentiation in primitive streak to somite stages (cinema- 



29 



