b Growth of the embryo. Same species as a (with S. BETTANIN) 



c Formation of resting eggs. Same species as a (with S. BETTANIN) 



DE MATTHAEIS, Ms. E.; Dr.biol.sci. - 1st. di Zool. "F. Raffaele", Univ. di Roma, Viale deli'Univer- 



sita 32,00161 ROMA, Italy 

 DENIS, H. A.; Dr.es Sci. - Centre de Genet. Molec. du CNRS, 91190 GIF-sur-YVETTE, France 

 a Mecanismes biochimiques de I'oogenese. Xenopus laevis (Anura) 

 DENKER, H.-W.; Dr.rer.nat., Dr.med. - Abt. Anat. der Rhein.-Westf. Techn. Hochschule, Melatener 



Str. 211,51 AACHEN, B.R.D. (Germany) 

 a Implantation: dissolution of blastocyst coverings, attachment, invasion (morphology, histo- 

 chemistry, biochemical mechanisms, characterization and role of trophoblastic and uterine 



enzymes and inhibitors, particularly proteases and protease inhibitors, and their endocrine 



control). Oryctolagus cuniculus (Lagomorpha), Mus musculus, Mesocricetus auratus, Cavia 



porcellus (Rodentia), Fehs sylvestris catus (Carnivora) 

 b Determination of trophoblast and inner cell mass during cleavage and blastocyst formation. 



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



sylvestris catus (Carnivora) 

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



Gwynedd LL5 7 2UW, Wales, U.K. 

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

 DENNHOFER. Ms. L.; Dr.rer.nat. - Inst, fur 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 Development (growth) of salivary gland chromosomes in vitro. Same species as a 

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



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

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



DENUC^, J. M.; Dr., Prof. - Dept. of Zool., Cathol. Univ., Toemooiveld, NIJMEGEN, Netherlands 

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



rerio (Teleostei), Xenopus laevis (Anura), Ciona intestinalis (Ascidiacea) 

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



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

 DEOL, 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 

 DEPARIS, P.; D.Sc, Prof. - Lab. de Biol. Gen., Univ. Paul-Sabatier, 118 Rte de Narbonne, 31077 



TOULOUSE Cedex, France 

 a Hematopoiesis. (Amphibia) 



b Tissue transplantation. Pleurodeles waltl (Urodela) 

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



M. FLAVIN) 

 DE PETROCELLIS, Ms. B.; Ph.D. - Lab. of Molec. Embryol., 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 (Echinoidea) 

 DE POMERAI. D. I.; Ph.D. - Inst, of Anim. Genet., Univ. of Edinburgh, West Mains Rd 



EDINBURGH EH9 3JN, Scotland, U.K. 

 a Ultrastructure, immunology, and cell properties of lenses with normal and genetically modified 



cell membranes. Gallus domesticus (Aves), Mus musculus (Rodentia) (with R. M. CLAYTON and 



D. J. PRITCHARD) 

 b Differentiation and cell interactions in vitro of normal and abnormal ocular epithehum. Same 



species as a (with R. M. CLAYTON and D. J. PRITCHARD) 

 c In vitro analysis of transdifferentiation of neural and pigmented retina. Gallus domesticus (Aves) 



(with R. M. CLAYTON and D. J. PRITCHARD) 

 d In vitro analysis of teratogens, (with R. M. CLAYTON arid D. J. PRITCHARD) 

 DERAY, A.; Dr.3e Cycle - Lab. de Zool. et Embryol., Univ. de Besan^on, Place Marechal Leclerc, 



25030 BESANQON Cedex, France 

 a Differenciation sexuelle des hybrides femelles et des individus des especes parentes. (Aves) (avec 



L. GOMOT) 

 DERI, P.; Dr.Biol. - Inst, of Histol. and Embryol., Univ. of Pisa, Via A.Volta 4, 56100 PISA, Italy 

 a Chromosomal aspects of regeneration and development. Dugesia benazzii (Turbellaria) 

 b Ultrastructural and electrophoretic aspects of oogenesis. (Nudibranchia, Gastropoda) 

 DERKSEN, J.;Drs. - Dept. of Genet., Cathol. Univ., Toemooiveld, NIJMEGEN, Netherlands 

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



(Diptera) 

 DE SANTIS, R.; Dr. - Stazione Zoologica, Villa Comunale, 80121 NAPOLI, Italy 

 a Physiology of fertilization. Ciona intestinahs, Ascidia malaca, Phallusia mamillata (Ascidiacea) 

 DESBIENS, X. - Serv. de Biol. Anim., Univ. des Sci. et Techn. de Lille, B.P.36, 59650 VILLENEUVE 



D'ASCQ, France 

 a Limb morphogenesis. Mus musculus (Rodentia) (with A. BART) 

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



WIEN, Austria 



Growth regulation. (Rodentia) 



29 



