t GATE, G. ten M.D., M.I. I.E.. Prof. — Anat.-Embryol. Lab., State Univ. of 



Utrecht. Janskerkhof 3A. UTREGHT, Netherlands 



(deceased) 

 GATHER, J. N. B.S.. M.S., Ph.D. — Dept. of Zool, Univ. of Michigan, 



ANN ARBOR, Mich. 48104, U.S.A. 



a. The differentiation of the shell gland. Ilyanassa obsoleta and other 

 Gastropoda and Pelecypoda (Mollusca) 



b. Experimental investigation of development. Otocelis spec. (Convoluti- 

 dae, Acoela, Turbellaria) 



CAUNA, N. D.Sc. M.D.. Prof. — Dept. of Anat., School of Med.. Univ. of 



Pittsburgh, PITTSBURGH 13, Pa.. U.S.A. 

 CAZAUX. Gl. Dr.en Biol.Anim. — Inst, de Biol. Marine d'Arcachon, 2 



Rue du Professeur Jolyet, ARGAGHON, Gironde, France 

 a. Developpement Jarvaire depuis I'oeuf jusqu'a la metamorphose et legere- 



ment au dela (fecondation artificielle, recolte dans le plancton et les 



sediments, et elevage au laboratoire). (Polychaeta, Annelida) 

 CHAKRAVARTY. A. M.Sc. — Dept. of Zool., Presidency Goll., GAL- 



GUTTA 12. West Bengal. India 



a. Induced changes. (Hydroidea) (in collaboration with S. MOOKER- 

 JEE, J. MITRA and S. BHATTAGHERJEE) 



b. Active principles in morphogenesis. (in collaboration with S. 

 MOOKERJEE and Mrs. A. MOOKERJEE) 



CHAIGNEAU. J. Lic.es Sci. — Lab. de Zool. et Biol anim., Fac. des Sci., 



POITIERS, Vienne, France 

 GHALLIGE, G. E. B.Sc, Ph.D., Prof. — Univ. of Alberta, GALGARY. 



Alberta. Ganada 

 a. Electron microscopy of the heart in development. Mus musculus (Ro- 



dentia) , Oryctolagus cuniculus (Lagomorpha) 

 GHANG, G. Y. M.S.. Ph.D., M.I. I.E. — Inst, of Zoo]., Acad. Sinica, Haitien, 



PEKING (53), Ghina (via Hong-Kong) 

 GHAMBERLAIN, J. G. B.A.. M.A., Ph.D. — Dept. of Anat, Univ. of 



Gahfomia School of Med., SAN FRANGISGO 22, Galif., U.S.A. 



a. Effects of vitamin deficiencies during pregnancy utilizing specific anti- 

 metabolites. Rattus rattus (Rodentia) 



b. Pathogenesis of experimentally induced congenital hydrocephalus and 

 cleft palate: 6-aminonicotinamide injected during pregnancy. Rattus 

 rattus (Rodentia) 



GHAMBOLLE, P. Dr. en Biol.anim. — Lab. de Biol, anim., Fac. des Sci. de 

 Bordeaux, 351 Gours de la Liberation, TALENGE (Gironde), France 



a. Etude de la gestation. Lebistes reticulatus (Poecilidae, Teleostei) 



b. Etude du developpement in vitro. Lebistes reticulatus (Poecilidae, 

 Teleostei) 



c. Etude de I'ultrastructure des oeufs. Lebistes reticulatus (Poecilidae, 

 Teleostei) 



GHANDEBOIS, Miss R. Dr., Prof. — Lab. de Biol. Anim.. G.P.E.M. 1 et 2. 



Fac. des Sci., Place Victor Hugo. MARSEILLE 3e, France 



a. The origin of blastema material; Equilibrium between undifferentiated 



and differentiated cells, in relation to regeneration (tissue culture 



and X-irradiation). Dugesia gonocephala, D. subtentaculat (Turbell- 



ria) 



37 



