mechanisms by which these effects are produced. Rattus spec. (Rodentia) 

 b Effects of steroid hormones on embryos in culture. Same species as a 

 COGNETTI, G.; Dott.Chim. - 1st. di Anat. Comp., Univ. di Palermo, Via Archirafi 20, 90123 



PALERMO, Italy 

 a Histones and other nuclear proteins in oocytes and during embrvology. Paracentrotus lividus 



(Echinoidea) 

 b Chromatin structure in embryos. Same species as a 

 c Microtubule proteins in oocytes. Same species as a 

 COHEN, Jack; Ph.D. - Dept. of Zool. and Comp. Physiol., Univ. of Birmingham, P.O.Box 363, 



BIRMINGHAM B15 2TT, England 

 COLARD, C. - Lab. de Zool. et Embryol., Univ. de Besan^on, place Marechal Leclerc, 25030 



BESANgON Cedex, France 

 a Organogenese de la glande mammaire (culture in vitro). Mus musculus (Rodentia), Oryctolagus 



cuniculus (Lagomorpha) (avec L. GOMOT et A. BIETRY) 

 COLENBRANDER, B.; D.V.M. - Vet. Anat. and Embryol. Inst., State Univ. of Utrecht, Bekkerstraat 



141, UTRECHT, Netherlands 

 a Endocrinology of sexual differentiation. Sus scrofa domesticus (Artiodactyla) 

 b Development of accessory sex glands in freemartins and normal animals. Same species as a 

 COLLENOT, A.; Dr.Vet., Dr.Sci., Prof. - Lab. d'Embryol. Exp., Centre de Rech. du CNRS, 67 rue 



Maurice Gunsbourg, 94200 IVRY sur SEINE, France 

 a Analyse experimentale des mecanismes de la differenciation sexuelle des gonades. (Amphibia) 

 b L'expression des genes lethaux ulcere et lethal mitotique. Pleurodeles waltl (Urodela) 

 COLLIN, J. P.; D.Sc, Prof. - Lab. de Zool. et de Biol. Cell., U.E.R. Sci. Fond, et Appl., Bat.C-1, 40 



av. du Recteur Pineau, 86022 POITIERS, France 

 a Development of the pineal gland (electron microscopy). (Cyclostomata; Reptilia; Aves; 



Mammalia) 

 b Embryogenesis and phylogenesis of the pineal gland. (Aves; Mammalia) 

 c Proteins in the embryonic pineal gland (autoradiography and electron microscopy). Same species 



as b 

 d Indolamines and catecholamines in the embryonic pineal gland. Same species as b 

 COLLN, K.; Dr.rer.nat. - Zool. Inst, der Univ., Weyertal 119, 5000 KOLN 41, B.R.D. (Germany) 

 a Isolation and characterization of pigment granules from compound eyes. Ephestia kiihniella 



(Lepidoptera) 

 b Tryptophan metabolism during development. Same species as a 



COLOMBERA, D. - 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 PADOVA, Italy 

 a Comparative oogenesis and spermatogenesis. Marine species (Deuterostomata) 

 COLOMBO, L.; Dr.biol. - 1st. di Biol. Anim., Univ. di Padova, Via Loredan 10, 35100 PADOVA, 



Italy 

 a Possible cooperational steroidogenesis between corpus luteum and placenta in estrogen synthesis 



and in pregnancy maintenance. Rattus spec. (Rodentia) 

 b Role of progestogens and 1 l-deoxycorticosteroids in oocyte maturation and ovulation. Gobius 



jozo (Teleostei) 

 c Role of progesterone and human chorionic gonadotropin in the induction of oocyte maturation 



in vitro. Rana esculenta, R. dalmatina (Anura) 

 d Shift from synthesis of estrogen to 11-deoxycorticosteroid after vitellogenesis and before 



maturation. Dicentrarchus labrax (Serranidae, Teleostei) 

 COMOGLIO, P. M.; M.D., Assoc.Prof. - Cell and Molec. Biol. Lab., Dept. of Human Anat., Univ. of 



Torino, Corso M.d'Azeglio 52, 10126 TORINO, Italy 

 a Cell membrane differentiation; immunochemistry of surface macromolecules. Mus musculus 



(Rodentia) 

 b Membrane-mediated growth control in BHK (baby hamster kidney) cells. Mesocricetus auratus 



(Rodentia) 

 CONTINI, Ms. A.; Dr. - Inst, of Zool. and Comp. Anat., Univ. of Messina, Via dei Verdi 75, 98100 



MESSINA, Italy 

 CORNEC, J. P.; Dr.spec. - Lab. de Morphogenet. Anim., Univ. de Provence - Centre St.Charles, Place 



Victor Hugo, 13331 MARSEILLE-Cedex 3, France 

 CORNER, M. A.; Ph.D. - Netherl. Inst, for Brain Res., IJdijk 28, AMSTERDAM, Netherlands 

 a Interaction of nerve cells and behaviour during maturation of the nervous system. Discoglossus 



pictus, Rana esculenta (Anura), Rattus norvegicus (Rodentia) 

 b Role of neural function in early development of the central nervous system in vivo and in vitro 



(electrophysiology and neurohistology). Rattus norvegicus (Rodentia) 

 c Structural basis of spontaneous neural activity in early development. Same species as b 

 CORUJO ANTELO, Ms. A.; Dr.nat.sci., Dr.biol.sci. - 1st. di Zool. "Federico Raffaele", Viale 



deirUniversita 32, 00161 ROMA (7), Italy 



- General Mola 88, MADRID 6, Spain 

 COULOMB (GAY), Ms. R.; Lic.cs Sci. - Lab. de Morphogenet. Anim., Univ. de Provence - Centre 



St.Charles, Place Victor Hugo, 13331 MARSEILLE-Cedex 3, France 

 COULON, Ms. J. - Lab. d'Histol. et Morphogen. Anim., Dept. de Biol., Centre Univ. de Marseille- 



Luminy, 70 rte Leon Lachamp, 13288 MARSEILLE Cedex 2, France 

 a Role of biogenic amines and cyclic nucleotides in regeneration (biochemistry; cytochemistry). 



Owenia fusiformis (Polychaeta) 

 CRaCiUN, Ms. O.; L.Sc. - Chaire de Biol.-Histol., Inst, de Med. et Pharm., Str. Republicii No. 48, 



3400 CLUJ-Napoca, Rumania 

 a Correlation entrc le foie en regeneration et autres organes (surrenale, testicule). Rattus spec. 



(Rodentia) 



26 



