Gro-Hai 



GROSCH, D. S, B.S., M.S., Ph.D. — Genetics Dept., North Carolina State 

 Coll., 353 Gardner Hall, RALEIGH, N.C., U.S.A. 

 a. Egg production and survival of embryos after mother has been fed en- 

 zyme inhibitors, antimetabolites and related compounds; without and 

 with irradiation. Habrobracon spec. (Hymenoptera) 



GRUCA, St. Mgr.biol. — Dept. of Gener. Biol., Silesian Acad, of Med., 

 Rokitnica, ZABRZE 8, Poland 



a. The morphogenetic influence of estrogens. Mus musculus (Rodentia) 



b. The regeneration (transplantation) of the thyroid gland. Cavia cobaya 

 (Rodentia) 



GRONEBERG, H. Ph.D., M.D., D.Sc, F.R.S., F.I.I.E., Prof. — Dept. of 

 Genet., Univ. Coll. London, Gower St., LONDON W.C. 1, England 

 a Developmental genetics of the axial and appendicular skeleton; effects of 

 major genes. Mus musculus (Rodentia) 



b. Embryology of inherited syndactylism in cattle. Bos taurus (Artiodac- 

 tyla) 



c. A search for effects in adult life due to genes which cause embryological 

 abnormalities. Mus musculus (Rodentia) 



GUARDABASSI, Miss A. Dr. — Inst, of Comp. Anat, Via Giovanni Gio- 



litti 34, TORINO, Italia 

 a. The tyrosinase activity of melanophores in larvae, both under normal 



condition and after removal of the anterior hypothalamus. Xenopus laevis 



(Anura) 

 GUERRIER, P. — Lab. de Zool. exper., Fac. des Sci. de Lyon, 43 Bd. de 



l'Hippodrome, VILLEURBANNE, France 

 a. Etude microcinematographique du developpement. (Nematoda; Spiralia) 

 GUIRAO-PEREZ, M. Med.Dr., Prof. — Inst. F. Oloriz, Fac.Med., Univ. of 



Granada, GRANADA, Spain 



a. Fetal developmental features and congenital prenatal and neonatal 

 morphofunctional disturbances (macro- and microscopical). Homo sapiens 

 (Primates) 



b. Normal fetal developmental patterns: measures, histological structures, 

 histochemical selective methods, systematic necropsies, etc. Gallus domes- 

 ticus (Aves) , Homo sapiens (Primates) 



GULLINE, Miss H. F. B.Sc.(Hons.) —Biophysics Lab., Univ. of Tasma- 

 nia, HOBART, Tasmania, Australia 

 a. Relationships between physiological and bioelectrical polarity. Coleus 



blumei, Pisum sativum, Lycopersicon esculentum 

 GUNTER, G. Dr. — Gulf Coast Research Lab., OCEAN SPRINGS, Miss., 



U.S.A. 

 a. Comparative and experimental embryology and metamorphosis. Necturus, 



all known spp. (Proteidae, Urodela), Desmognathus spp. ( Plethodonti- 



dae, Urodela) (in collaboration with W. E. BRODE) 

 GURDON, J. B. M.A., D.Phil. — Dept. of Zool., Univ. Museum, OXFORD, 



England 

 a. Experimental embryology, especially nuclear transplantation. Xenopus 



spp. (Anura) 

 GUSTAFSON, T. Fil.Dr., M.I.I.E., Prof. — Wenner-Grens Inst, for exper. 



Biol., Norrtullsgatan 16, STOCKHOLM Va., Sweden 



a. Morphogenetic movements. (Echinoidea) 



b. Enzyme induction and repression in cell cultures. 



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