Geyer-Goe 



c. Experimental studies on germ line chromosomes. Further studies on the 

 fate of germ cells with somatic chromosome number. (Cecidomqidae, 

 Diptera) 



d. The cytological analysis of the T-locus. Mus musculus (Rodentia) 

 GHIRARDELLI, E. Dr., Prof. — 1st. di Zool., Via S. Giacomo 9, BO- 

 LOGNA, Italia 



a. Oogenesis and RNA cycle. Spadella cephaloptera (Chaetognatha) 



b. Experimental analysis of the development of the gonad and Bidder's 

 organ. Bufo spec. (Anura) 



GIDHOLM, L. Fil.lic. — Zool. Inst., Uppsala Univ., UPPSALA, Sweden 



a. Larval development. (Syllidae) 

 GILBERT, P. W. A.B., Ph.D., M.I.I.E., Prof. — Dept. of Zool., Cornell 

 Univ., ITHACA, N.Y., U.S.A. 



a. Studies on reproductive habits and structures, especially the clasper 

 mechanism and the function of the siphon sacs. (Elasmobranchii) 



b. Gestation and parturition in representative species. Urolophus jamai- 

 ciensis, Dasyatis americana (Elasmobranchii) 



c. Studies on sense organs and behavior. (Elasmobranchii) 



GILES, E. T. M.Sc, Ph.D., D.I.C. — Dept. of Zool., Univ. of New Eng- 

 land, ARMIDALE 5 N., N.S.W., Australia 

 a. Postembryonic development of reproductive organs and genitalia. Labi- 

 dura riparia truncata (Dermaptera) 



GINSBURG, Mrs. A. S. Cand. Biol. Sci. — Inst, of Animal Morphol. of the 

 Acad, of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW V-71, 

 U.S.S.R. 



a. Cytology of fertilization and cleavage. Huso huso, Acipenser gulden- 

 stadti, A. stellatus ( Acipenser idae, Chondrostei) , Salmo trutta, Core- 

 gonus lavaretus (Salmonidae, Teleostei) , Lebistes reticulatus, Xipho- 

 phorus helleri (Poecilidae, Teleostei) 



b. Experimental analysis of the block to polyspermy. Huso huso, Acipenser 

 guldenstadti (Acipenseridae, Chondrostei), Salmo trutta (Salmonidae, 

 Teleostei) 



c. Study of the acrosomal reaction. (Acipenseridae, Chondrostei) (in col- 

 laboration with Mrs. T. A. DETTLAFF) 



GINZBURG, G. I. Cand. Biol. Sci. — Inst, of Animal Morphol. of the Acad, 

 of Sci. of the U.S.S.R., Lenin Avenue 33, MOSCOW V-71, U.S.S.R. 

 a. Distribution and synthesis of nucleic acids during oogenesis. 

 GIPOULOUX, J. D. — Lab. de Biol, anim., Fac. des Sci. de Bordeaux, 351 

 Cours de la Liberation, TALENCE (Gironde), France 



a. Etude experimentale de la morphogenese de l'appareil genital. (Anura) 



b. Evolution des cellules germinales. (Anura) 



GIROUD, A. F.I.I.E., Prof. — Lab. d'Embryol., Fac. de Med., 45 Rue des 

 Sts. Peres, PARIS Vie, France 



a. Recherches sur l'influence teratogene des avitaminoses maternelles. Mus 

 rattus (Rodentia) 



b. Recherches sur l'influence teratogene des intoxications maternelles. Mus 

 rattus, Mus musculus. Cavia cobaya (Rodentia), Oryctolagus cuniculus 

 (Lagomorpha) 



c. Etude des cas teratologiques individuels. Homo sapiens (Primates) 



d. Developpement anormal du systeme nerveux. Mus rattus, Mus musculus 

 (Rodentia) 



50 



