Gai 32 Gennaro 



GAILLARD, P. J. Dr Med., Prof. — Lab. for Exper. Histol., Fac. of Med., 

 Univ. of Leyden, Wassenaarseweg, Boerhaavekwartier, LEIDEN, 

 Holland. 



a. Developmental potencies of the human fetal germinal epithelium in 

 explants. (Mammalia) 



b. Primary genesis of thyroid follicles in explants and factors governing 

 colloid formation. Gallus domesticus (Aves) 



GALINSKY, I. Dr — Dept of Anat., Coll. of Med., Baylor Univ., 1200 

 M.D. Anderson Blvd, Texas Med. Center, HOUSTON 5, Tex.. 

 U.S.A. 

 a. Investigation of transplantability of the Brown-Pearce tumor, utilizing 

 the yoke sac of chicks and the anterior ocular chamber of rabbits. Mor- 

 phological changes will be studied, and as well the effect on the tumor 

 of various chemical agents will be studied. (Aves and Mammalia) (in 

 collaboration with B. L. NEWTON) 



GALLERA, J. Ph.D. — Inst. d'Histol., Fac. de Med., LAUSANNE, Suisse. 



a. Transplantation of prechordal material. Triturus (Urodela) 



b. Incubation of chick eggs under modified atmospheric conditions. Gallus 

 (Aves) 



c. Experimental researches on the late inductive influence of the prechordal 

 plate and notochordal material on the development of the eyes of 

 Triton. (Urodela) 



d. Transplantations of notochordal material of different ages. Triturus 



e. The influence of heart extracts on development of the cardiac primordium 

 of the chick cultivated in vitro. Gallus (Aves) 



GALLIEN, L. Dr es Sc. — Lab. de Biol. anim. (P.C.B. section II), Fac. 



des Sci., Univ. de Paris, 12, Rue Cuvier, PARIS Ve, France, 

 a. fitude de Taction des hormones sexuelles dans l'embryogenese sexuelle 



des Amphibiens. Discoglossus pictus et Pleurodeles waltlii 

 GARBER, Mrs B. — Dept of Zool., Univ. of Chicago, CHICAGO 37, 



111., U.S.A. 

 a. Quantitative determination of cell shape in tissue culture. Gallus do- 

 mesticus (Aves) (in collaboration with P. A. WEISS) 

 GARRETT, F. D. Ph.D., Prof. — Dept of Anat., Ohio State Univ., 



COLUMBUS 10, Ohio, U.S.A. (no data received over this year) 



GAZDA. A. — Zaklad Anat. Porownawczej U.J. im. H. Hoyera, KRAKOW, 



sw. Anny 6, Poland, 

 a. The respiratory vessels of the yolk sac in the trout. (Pisces) 

 GEIGY, R. Dr, Prof. — Schweiz. Tropeninstitut, Socinstr. 57, u. Zool. 



Anstalt der Univ., Rheinsprung 9, BASEL, Schweiz. 



a. Endokrine Abhangigkeit der Metamorphose von Sialis lutaria. (Insecta) 



b. Analyse der sogenannten genitalen Infektion bei der afrikanischen 

 Ruckfallfieberzecke, Otnithodorus moubata. (Atachnoidea) 



c. Einfluss der Temperatur auf die ..Infektibilitat der Gelbfiebermucke. 

 Aedes aegypti, gegemiber Vogelmalaria. (Insecta) 



GENNARO, Jr J. F. M.S. — Dept of Biol. Sci., Univ. of Pittsburgh, 

 PITTSBURGH 13, Pa, U.S.A. 

 a. The distribution of radio-phosphorous (P 32 ) in the developing embryos 

 of Rana sylvatica and Rana pipiens as demonstrated by radioautographic 

 methods. (Early cleavage to completed operculum) (Amphibia, Anuva) 

 (in collaboration with Miss E. J. RIDLEY) 



