c Experimental late structural malformations of the nervous system. Gallus domesficus 

 (Aves), Cricetus auratus (Rodentia) (in collaboration with Miss M. T. PASCUAL- 

 MORENILLA) 



GULLINE, Miss H. F. B.Sc. — Biophysics Lab.. Univ. of Tasmania, HOBART, Tasmania, 

 Australia 



GUMBRECK, L. Ph.D. — Dept. of Anat., School of Med., Univ. of Oklahoma, 800 North- 

 east 13th St., OKLAHOMA-City, Okla. 73104, U.S.A. 



a Studies on the development of genital, ophthalmic, and urinary anomalies as related to 

 genes, with emphasis on hermaphroditic alterations. Rattus ratfus (Rodentia) 



GONDISCH, M. M.D., D.Sc, Prof. — Dept. of Neuropathol., Research Station of Tirgu- 

 Mure§ of the Acad, of the S.R.R., Str. Gh. Marinescu 38, TIRGU-MURE§, Romania 



a Studies on the proliferation and regeneration of nervous tissue in culture and in vivo in 

 experimental conditions. Mus musculus, Rattus norvegicus (Rodentia), Felis cafus (Carrti- 

 vora) 



b Experimental developmental studies on the nervous system (enzymatic activities). Mus 

 musculus, Rattus norvegicus (Rodentia), Felis catus (Carnivora) 



GURAYA, S. S. Ph.D. — Dept. of Zool., Univ. of Udaipur, UDAIPUR, Rajasthan, India 



a Comparative histochemical studies on the developing oocytes and their follicle cells (lipids, 

 carbohydrates, nucleic acids, proteins and enzymes). Various spp. (Acrania; Anura; Rep- 

 tila; Aves; Marsupialia; Rodentia; Chiroptera; Primates), Homo sapiens (Primates) 



GURDON, J. B. M.A., D.Phil. — Dept. of Zool., Parks Rd., OXFORD. England 



a Experimental embryology, especially nuclear transplantation. Xenopus spp. (Anura) 



• GUSTAFSON, T. Fil.Dr., Prof . — Wenner-Gren's Inst, for exper. Biol., Norrtullsgatan 

 16, STOCKHOLM Va., Sweden 



a Morphogenetic movements. (Echinoidea) 



b Enzyme induction and repression in cell cultures. 



GUTIERREZ, M. Dr. — Dept. de Anat., Cat. de Anat. II, Fac. de Med.. CADIZ, Spain 

 — private address: Calle Valverde 20, CADIZ. Spain 



GUYARD. A. Lic.es Sci. — Lab. de Zool.. Inst, des Sci.Nat.. Fac. des Sci.. Univ. de Besan- 

 ?on, Place Marechal Leclerc. 25-BESANCON. France 



a Recherches sur la differenciation de la glande hermaphrodite. Helix aspersa (Pulmonata, 

 Gastropoda) (en collaboration avec L. GOMOT) 



GWATKIN, R. B. L. Ph.D.— Tissue Cult. Labs., Merck Sharp and Dohme Research Lab.. 

 RAHWAY. N.J. 07065, U.S.A. 



a Effect of viruses on early development and their role as a cause of birth defects. (Mam- 

 malia) 



h Studies in early development by tissue and organ culture methods. (Mammalia) 



GYERGYAY (MALATINSZKY). Mrs. E. M.D. — Dept. of Neuropathol.. Research Sta- 

 tion of Tirgu-Mure§ of the Acad, of the S.R.R.. Str. Gh.Marinescu 38, TIRGU-MURE§ 

 Romania 



a Studies on the neuro-endocrine regulation of cell division of epithelial tissues. Mus mus- 

 culus (Rodentia) (in collaboration with F. GYERGYAY) 



GYERGYAY, F. M.D. — Dept. of Neuropathol., Research Station of Tlrgu-Mure^ of the 

 Acad, of the S.R.R., Str. Gh. Marinescu 38, TiRGU-MURE§, Romania 



a Studies on the proliferation and regeneration of tissues in physiological and pathological 

 conditions; the role of cell division in pathological processes, and the neuro-endocrine 

 regulation of cell division of epithelial tissues. Mus musculus, Rattus norvegicus (Rodentia) 



GY£VAI (T6TH). Mrs. A. T. — Inst, of Exp. Med. of the Hung. Acad, of Sci.. Morphol. 

 Dept., Szigony-u. 43, BUDAPEST VIII. Hungary 



a Comparative investigations on the conducting system of the embryonic heart. Various spp. 

 (Vertebrata) 



h Changes in the electrophysiological properties of the heart muscle fibres during ontogeny. 

 Various spp. (Vertebrata) 



GYLLENSTEN. L. J. W. Med.Dr. — Dept. of Histol.. Karolinska Inst., Solnavagen 1, 

 STOCKHOLM 60, Sweden 



a Regeneration, differentiation and growth of the lymphatic system. Cavia cobaya (Roden- 

 tia) 



b Physiological factors in the postnatal development of the visual system. Mus musculus 

 (Rodentia) 



HACCIUS. Miss B. Dr.. Prof. — Inst, fur spezielle Botanik. Univ. Mainz. 65 MAINZ. 

 Deutsche Bundesrepublik 



a Beeinflussung der Entwicklung von Embryonen durch Chemikalien (Wachstumsregulato- 

 ren; Antimitotica; Radiomimetica und Rontgenstrahlen). Eranthis hiemalis ( Ranunculaceae ) 



b I n V i t r o Kultur von Embryonen und Geweben. (Plantae) 



HACH. P. M.D. — Inst, of Embryol.. Fac. of Med.. Charles Univ.. Albertov 4. PRAGUE 2. 

 Czechoslovakia 



a Histogenesis of the hypophysis (comparative studies on the submicroscopic structure and 

 enzyme histochemistry). Mus rattus (Rodentia), Homo sapiens (Primates) 



62 



