a Cell lineage in imaginal discs. Drosophila melanogaster (Diptera) 



DUBOIS, R.; Dr. - Inst. d'Embryol. et Teratol. Exper. du C.N.R.S., 49bis Av. de la Belle Gabrielle, 



941 30 NOGENT-sur-MARNE, France 

 a Lignee germinale et morphogenese sexuelle. Gallus gallus (Aves) (avec D. CUMINGE) 

 b Biosynthese glycoproteique dans les ebauches gonadiques (topochimie, cinetique). Meme espece 



comme a 

 c Effets des lectines sur I'amiboidisme des cellules germinales. Meme espece comme a 

 d Aspects discontinus du rcnouvellement dans les systemes biologiques a cloisonnement anato- 



mique complexe. Meme espece comme a 

 DUKE, E. J.; Ph.D. - Zool. Dept., Univ. Coll., Belfield, Stillorgan Rd., DUBLIN 4, Ireland 

 a Molecular basis of drug-sensitivity and resistance during development of inbred lines (especially 



5-fluorouracil, streptomycin, cytosine arabinoside). Drosophila melanogaster (Diptera) 

 b Genetic and epigenetic mechanisms governing the expression of aldehyde oxidase and xanthine 



dehydrogenase in developmental stages. Locusta migratoria (Orthoptera), Drosophila melano- 

 gaster (Diptera) 

 c Carcinogenesis of embryonic cells cultured in vitro, induced by chemicals, viruses, irradiation and 



suitable subculturing. Mus musculus, Cricetulus griseus (Rodentia) 

 DUNCKER, H.-R.; Dr.rer.nat., Dr.med., Prof. ^ Anat. Inst, der Univ., Friedrichst.24, 63 GIESSEN, 



B.R.D. (Germany) 

 a Embryological and post-hatching development of the lung-air sac system, especially the number 



and arrangement of secondary bronchi and parabronchi, and the parabronchial blood-air capillary 



network. Columba spec, Gallus spec. Anas spec.,Melopsittacus spec, Turdus spec. Passer spec, 



Taeniopygia spec, and others (Aves) 

 DUNN, G. A.; Ph.D. - Strangcways Res. Lab., Worts Causeway, CAMBRIDGE CBl 4RN, England 

 a Cell relations in tissue culture. Gallus gallus (Aves), Mus musculus (Rodentia) (with 



M. ABERCROMBIE) 

 DUPRAT (ESCUDit), Mrs. A.M.; D.Sc - Lab. de Biol. Gen., Univ. Paul-Sabatier, 118 Rte de 



Narbonne, 31077 TOULOUSE Cedex, France 

 a Determination and differentiation of cultured embryonic cells. (Urodela) 

 b Embryonic non-histone chromatin proteins. (Urodela) 



c Hemoglobin switch (immunofluorescence; in vitro culture). (Urodela) (with P. DEPARIS) 

 DUPUIS (CERTAIN), Mrs. Ph. - Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS 



Cedex 05, France 

 a Histochemistry of steroid enzymes. Discoglossus spec. (Anura), Pleurodeles spec. (Urodela) 

 DURAND, J. P.; D.Sc - Lab. souterrain. Centre Natl. Rech. Sclent., 09410 MOULIS, France 

 a Reproduction and development of cave dwelling forms. (Teleostei; Urodela) 

 b Experiments on ontogenesis and eye degeneration 

 DURANTE, Miss M. C; D.Sci., Prof. - 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 



PALERMO, Italy 

 a Nucleoside and ribosomal RNA synthesis during opercular regeneration. Hydroides norvegica 



(Polychaeta) 

 DURCHON, M.; Prof. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P. 36, 59650 



VILLENEUVE D'ASCQ, France 

 a Endocrine control of gametogenesis and metamorphosis. (Polychaeta) 

 DURST (^IVKOVIC^), Mrs. B.; M.D., D.Sc - Inst, of Histol. and Embryol., Fac of Med., Univ. of 



Zagreb, Salata 3, P.O.Box 166, 41001 ZAGREB, Yugoslavia 

 a Differentiation of the stroma of chorionic vilh. Homo sapiens (Primates) 

 DURSTON, A. J.; Ph.D. - Hubrecht Lab. (Intern. Embryol. Inst.), Uppsalalaan 8, "De Uithof, 



UTRECHT, Netherlands 

 a Regulation of morphogenetic movements during gastrulation and ncurulation (time lapse cinema- 

 tography). Xenopus laevis (Anura), Ambystoma mexicanum (Urodela) 

 b Mechanisms of pattern formation. Dictyostelium discoideum (Acrasiales) 

 DUSPIVA, F.; Dr., Prof. ^ Physiol. Lehrst., Zool. Inst, der Univ., Berlinerst.l5, 69 HEIDELBERG, 



B.R.D. (Germany) 

 a Localization of enzymes within the embryo and in subcellular fractions. Acheta domesticus 



(Orthoptera), Dysdercus intermedius (Heteroptera) 

 b Protein differentiation, ontogeny of enzyme patterns. Same species as a 



c Energy metabolism and metabolism of nucleic acids, nucleotides, and cofactors during develop- 

 ment. Same species as a 

 d Nucleic acids in oogenesis. Dysdercus intermedius (Heteroptera) 

 DUTTON, G. J.; Ph.D., D.Sc - Dept. of Biochem., Med. Sci. Inst., Univ., DUNDEE DDl 4HN, 



Scotland, U.K. 

 a Developmental biochemistry of "detoxicating" enzymes in embryonic, fetal, and neonatal tissues 



(tissue culture). Gallus domesticus (Aves), Mus musculus, Rattus spec (Rodentia), Homo sapiens 



(Primates) 

 b Xenobiotic and endocrinological factors affecting development of detoxicating and carbohydrate- 

 metabolising enzymes. Same species as a 

 DYER, H. McM.; B.Sc, M.B., Ch.B. - Dept. of Developm. Biol., Marischal Coll., Univ. of Aberdeen, 



ABERDI EN AB9 IAS, Scotland, U.K. 

 a The effects of hyperglycaemia and insulin on embryonic tissues grown in vitro. Gallus gallus 



(Aves) 

 b The differentiation of adipose tissue in "itro. Same species as a 

 DYLEVSK^, 1.; MUDr. Dept. of Anat., Charles Univ., U nemocnice 3, 12800 PRAHA 2, 



Czechoslovakia 



32 



