Cedex 05, France 

 a Histocompatibility in vitro. Hydractinia echinata (Hydrozoa) 

 GRAHAM, C. F. D.Phil. - Dept. of Zool., Univ. of Oxford, South Parks Rd., OXFORD 0X1 3PS, 



England 

 a Experimental embryology. Mus musculus (Rodentia) 

 b Development of teratomas in vitro. Mus musculus (Rodentia) 

 GRASSO, M. Dr., Prof. - Inst, of Zool., Univ. of Bologna, Via S.Giacomo 9, 40126 BOLOGNA, 



Italy 

 a Role of neurosecretion in the regeneration and in the differentiation and ripening of the genital 



apparatus. Dugesia lugubris, Polycelis nigra (Turbellaria), Fasciola hepatica (Trematoda) 

 b Descriptive and experimental study of development and sex differentiation of genital apparatus. 



Sepia officinalis (Cephalopoda) 

 GRAZIOSI, G. D.Sc. - Inst, of Zool. and Comp. Anat., Univ. of Trieste, Via A. Valerio 32, 34127 



TRIESTE, Italy 

 GREMIGNI, V. Dr.Biol.Sci. - 1st. di Zool. e Anat. Comp., Univ., Via A.Volta4, 56100 PISA, Italy 

 GREMO, Miss F. M.D. - 1st. di Istol. e Embriol. Gen., Univ. di Torino, Corso M.d'Azeglio 52, 10126 



TORINO, Italy 

 a Axonal transport of macromolecules in the optic pathway of the embryo. Gallus domesticus 



(Aves) 

 GRIBNAU, Miss A. A. M. Dr. - Dept. of Anat. and Embryol., Univ. of Nijmegen, Geert Grooteplein 



N.21, NIJMEGEN, Netherlands 

 a Development of the diencephalon. Macaca mulatta (Primates) 

 GRIFFOND (ROGNON), Mrs. B. Lic.es Sci. - Lab. de Zool., Univ. de Besan?on, Place Marechal 



Leclerc, 25030 BESANCON, France 

 a Determinisme de la sexualite. Paludina vivipara (Prosobranchia, Gastropoda) (avec L. GOMOT) 

 GRIGNON, G. Prof. - Lab. de Biol. Med., Univ. de Nancy I, 30 rue Lionnois, 54 NANCY, France 

 GRIM, M. MUDr. - Dept. of Anat., Charles Univ., U nemocnice 3, 12800 PR AH A 2, Czechoslovakia 

 a Prenatal development of muscles. Ambystoma mexicanum (Amphibia), Gallus domesticus (Aves), 



Homo sapiens (Primates) 

 GRIPPO, P. - Lab. of Molec. Embryol., Consiglio Naz. delle Ricerche, Via Toiano 2, 80072 ARCO 



FELICE (Napoli), Italy 

 a Purification and characterization of a DNA polymerase present during oogenesis and of a DNA 



polymerase appearing during oocyte maturation. Xenopus laevis (Anura) 

 b Biosynthesis of the hormone-induced DNA polymerase during in vitro maturation; dependence 



from RNA and protein synthesis. Xenopus laevis (Anura) 

 GRODZINSKI, Z. D.Sc, Prof. (Emer.) - Dept. of Comp. Anat., Jagiellonian Univ., ul.Krupnicza 50, 



30-060 KRAKOW, Poland ISDB 



a Ultrastructure and some physico-chemical properties of yolk platelets. Petromyzon spec. (Cyclo- 



stomata), Triturus spec, Salamandra spec. (Urodela) 

 GROENENDIJK (HUIJBERS), Mrs. M. M. M.D., D.Sc. - Dept. of Med. Anat. and Embryol., State 



Univ. of Utrecht, Janskerkhof 3A, UTRECHT, Netherlands 

 a Interrelation of embryonic gonads, thyroids, pituitaries and oviducts; mechanism of oviduct 



regression in male and female, and of right ovary regression in female (hemicastration, castration, 



implantation of endocrine glands, administration of gonadal and other hormones). Gallus domes- 

 ticus (Aves) 

 b Hormonal dependency of down feather pigmentation (castration, pituitary implantation, modifi- 

 cation of thyroid hormone levels, administration of drugs (q-MSH etc)). Same species as a 

 GROS, D. Dr.3e Cycle - Lab. de Physiol. Anim., Univ. de Poitiers, 40 av. du Recteur Pineau, 86 



POITIERS, France 

 GRUFFYDD, LI. D. Ph.D. - Marine Sci. Labs., Univ. Coll. of N.Wales, MENAI BRIDGE, Anglesey 



LL59 5EY, Wales, U.K. 

 a Developmental biology. (Lamellibranchia) 

 GRUN, G. Dr. - Lehrst. fur Spez. Zool., Ruhr-Univ., Buscheyst., Postfach 2148, 463 BOCHUM- 



Querenburg, B.R.D. (Germany) 

 a Ultrastructure and histochemistry of the differentiating nerve cell. Tilapia spec. (Teleostei) 

 b Oogenesis. Dinophilus gyrociliatus (Archiannelida) 

 GRUNEBERG, H. Ph.D., M.D., D.Sc, Prof. - Dept. of Anim. Genet., Univ. Coll. London, Wolfson 



House, 4 Stephenson Way, LONDON NW1 2HE, England ISDB 



a Developmental genetics. Mus musculus (Rodentia) 

 GRUNZ, H. Dr.rer.nat. - Inst, fur Biochem. und Molek. Biol., Fachbereich I (Vorklinik), Freie Univ. 



Berlin, Arnimallee 22, 1 BERLIN 33, B.R.D. (Germany) 

 a RNA and protein synthesis with regard to aggregation of dissociated embryonic cells. (Amphibia) 

 b Changes of cell affinity during morphogenesis. (Amphibia) 



c Competence in early development. Triturus alpestris, Ambystoma mexicanum (Urodela) 

 GRZYBEK, Mrs. A. Ph.D. - Dept. of Gen. Biol., Silesian Acad, of Med., ul.K.Marksa 19, 41-808 



ZABRZE, Poland 

 GUARDABASSI, Miss A. Dr.nat.sci. 5 Prof. - Inst, of Histol. and Embryol., Univ. of Torino, Via 



Giolitti 34, 10123 TORINO, Italy 

 a Histolysis of the pronephros in larvae and its prevention by exogeneous prolactin. Rana tempo- 



raria (Anura) 

 GUASTALLA, Miss A. Dr. - Inst, of Histol. and Embryol., Univ. of Torino, Via Giolitti 34, 10123 



TORINO, Italy 

 a Body growth, development, 131 J uptake and synthesis of mono- and dnodothyrosine (MIT, 

 DIT), triidothyronine (T 3 ), and thyroxine (T 4 ) by hypothalamectomized tadpoles. Bufo bufo 



41 



