DANILOVA, L. V. - Lab. of Devi. Cytogenet., Inst, of Devi. Biol., Acad, of Sci. of the USSR, Vavilov 



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

 D'ANNA, T.; Dr.nat.sci. - Zool. Inst., Univ. of Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Enzyme activity in embryonic development. (Ascidiacea) 

 b Respiratory metabolism during embryonic development. (Ascidiacea) 

 c Ultrastructure of dermal chromatophores. Discoglossus pictus (Anura) 



DATEMA, R.; Drs. - Lab. of Bot., State Univ., Kerklaan 30, P.O.Box 14, HAREN (Gr.), Netherlands 

 a Cell wali structure during hormone-induced development. Mucor muccdo (Phycomycetes, Fungi) 

 DAUGERAS, Miss N. - Lab. de Biol.-Vertcbr., Centre d'Orsay, Univ. de Paris XI, Bat. 441, 91405 

 ORSAY, France ^ ^-,,-,n 



DAVID (BOGLI), Mrs. D.; Dr.es Sci. - Lab. de Biol. Anim., Univ. de Clermont, B.P. 45, 63170 



AUBlflRE, France 

 a Organogenese de Festomac embryon;iaire. Oryctolagus cuniculus (Lagomorpha) 

 b Action du DDT sur le developpement de I'embrvon. (Aves) 

 DAVID, G.; Dr. en Med., Prof. - Lab. d'Histol.-Embryol., Fac. de Med. Bicetre. 94270 KREMLIN- 



BICETRE, France 

 DAVIDOVA, S. I. - InsL of Devi. Biol., Acad, of Sci. of the USSR, Vavilov St. 26, MOSCOW 117334, 



U.S.S.R. ,, . 



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



seridae, Chondrostei) (with T. A. DETTLAFF) 

 DAWES, C. M.; Ph.D. - Dept. of Physiol, and Chem., Royal Vet. Coll., Royal College St., LONDON 



NWl OTU, England 

 a Respiration and acid-base regulation. Gallus domesticus (Aves) 

 b The physiological basis of hatching. Same species as a 

 DECROLY (BRIERS), Mrs. M.; - Dr.Sci.Chim. - Dept. of Molec. Biol., Free Univ. of Brussels, 67 rue 



desChevaux, 1640 RHODE-ST-GENf:SE, Belgium 

 a Yolk platelets and their relation with lysosomes. 

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



VILLENEUVE D'ASCQ, France 

 DEGENHARDT, K.-H.; Dr.med., Prof. - Inst, fiir Humangenet. der Univ., Paul-Ehrlich St. 41, 6 



FRANKFURT/Main 70, B.R.D. (Germany) 

 a Environmental influences on chromosomal mosaicism; correlations between chromosomal aberra- 

 tions and special malformations. Mus musculus (Rodentia) 

 DELARUE, M.; Dr.3e Cycle - Lab. d'Embryol., Univ. Paris VI, 4 place Jussieu, 75230 PARIS Cedex 



05, France 

 a Nuclear transplantation. Bufo bufo, B. calamita, B. viridus (Anura) 

 DELATTRE, J. P. - Lab. of Periodontol. Res., Dent. Fac, Rennes I Univ., 2 place Pasteur, 35000 



RENNES, France 

 DELAY, B. - Lab. souterrain. Centre Natl. Rech. Scient., 09410 MOULIS, France 

 a Influence des facteurs abiotiques (temperature) sur le developpement embryonnnaire des especes 



souterraines. Bathysciola spec, Speonomus spec, Antrocharis spec. (Coleoptera) 

 b Influence des facteurs abiotiques sur la reproduction. Speonomus longicornis (Bathysciinae, 



Coleoptera) 

 DELEANU, M. - Lab. de Embriol. Norm, ^i Patol., Acad. Stiin^e Med., Ctr. de Cercet. Med., Bd. M. 



Viteaz'ul 24, 1900 TIMI^OARA, Rumania 

 a Tissue culture; embryo culture. Gallus domesticus (Aves) 



DE LEO, G.; Dr.nat.sci. - 1st. di Zool., Univ. di Palermo, Via Archirafi 18, 90123 PALERMO, Italy 

 a Embryonic development. Sepiola rondeletii (Cephalopoda) 

 b Ultrastructure of eggs. Sabellaria spec, Hydroides norvegica (Polyciiaeta), Bolina spec 



(Ctenophora) 

 c Ultrastructure of the oocyte. Amphioxus lanceolatus (Cephalochordata) 

 DELLA CROCE, N.; Dr.Nat.Sci., Prof. - 1st. di Zool., Univ. di Genova, Via Balbi 5, 16! 26 GENOVA, 



Italy 

 a Embryonic development of a parthenogenetic marine form. Penilia avirostris (Cladocera, 



Crustacea) (with S. BETTANIN) 

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

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

 DELMAS, A.; Prof. - Lab. d'Anat., Univ. Paris V - Rene Descartes, 45 rue des Sts. Peres, 75270 



PARIS Cedex 06, France 

 DE MAEYER (CRIEL), Mrs. G.; Dr.Sc - Lab. of Anat., Univ. of Gent, Ledeganckstr. 35, 9000 



GENT, Belgium 

 DE MATTHAEIS, Miss E.; Dr.biol.sci. - 1st. di Zool. "F. Raffaele", Univ. di Roma, Viale delfUniver- 



sita 32,00161 ROMA, Italy 

 a Nuclear protein changes during spermatogenesis. Paracentrotus lividus (Echinoidea) (with 



A. NICOTRA) 

 DENIS, H. A.; Dr.es Sci. Centre de Genet. Molec du CNRS, 91 190 GIF-sur-YVETTE, France 

 a Mecanismes biochimiques de Foogenese. Xenopus laevis (Anura) 

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



Str.211, 51 AACIII'N, B.R.D. (Germany) 

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

 cliemistry, biochemical mechanisms, characterization and role of troplioblastic and uterine 

 enzymes and inhibitors, and tiieir endocrine control). Oryctolagus cuniculus (Lagomorpha), Mus 

 musculus, Mesocricetus auratus, Cavia porcelhis (Rodentia), Felis sylvestris catus (Carnivora) 

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



28 



