Cha-Cla 



CHACHULSKA, W. Mgr. — Chair of Gener. Biol., Silesian Acad, of Med., 

 Rokitnica, ZABRZE 8, Poland 



a. Restoration of the thyroid gland after experimental injury. 



b. Transplantation of the ovary. Mus musculus (Rodentia) 

 CHALKLEY, D. T. B.A., M.A., Ph.D. — Univ. of Notre Dame. NOTRE 



DAME, Ind.. U.S.A. 

 CHANG, C. Y. M.S., Ph.D., M.I.I.E. — 28 Lai Yang Road, TSINGTAO, 



China (via Hong-Kong) 

 CHANG, M. C. Ph.D. — Worcester Foundation for Exper. Biol., 222 Maple 



Ave., SHREWSBURY, Mass., U.S.A. 

 CHANMUGAM, P. K. M.Sc, M.R.C.S.. L.R.C.P., L.M.S., Prof. — Dept. of 



Anat, Fac. of Med., Univ. of Ceylon, Kynsey Road, COLOMBO 8, 



Ceylon 

 CHARNIAUX ( COTTON ) , Mrs. H. Dr.es-Sci. — Lab. de Genet, evolutive 



du C.N.R.S., GIF sur Yvette (S. et O.), France 



a. Controle hormonal de la differenciation sexuelle. La glande androgene. 

 Orchestia gammarellus (Amphipoda, Crustacea) 



b. Determination genetique du sexe. Orchestia gammarellus (Amphipoda, 

 Crustacea) 



CHASE, H. B. Ph.D., Prof. — Arnold Biol. Lab., Brown Univ., PROVI- 

 DENCE 12, R.I., U.S.A. 



a. A study of anophthalmia and microphthalmia. Mus musculus (Rodentia) 



b. A study of skin and its derivatives with emphasis on hair development 

 and pigment distribution. Mus musculus (Rodentia) 



c. Radiation effects on hair follicle morphogenesis. Mus musculus, Cavia 

 cobaya (Rodentia) 



CHAYTOR, D. E. B. B.Sc. — Dept. of Embryol., Univ. Coll. London, 

 Gower St., LONDON W.C.'l, England 

 a. Control of growth in some embryonic organs. Gallus domesticus (Aves) 



CHEN, P. S. Dr.Phil. — Zool.-vergl. Anat. Inst., Naturw. Fak., Univ. Zu- 

 rich, Kunstlergasse 16, ZURICH 6, Schweiz 



a. Biochemical studies on hybrids. (Echinoidea) (in collaboration with F. 

 BALTZER, Bern) 



b. Biochemical studies on the factor "lethal-meander" (lme). Drosophila 

 melanogaster (Diptera) 



c. Nucleic acids in development. Triturus alpestris, T. palmatus, T. cristatus 

 (Urodela) 



CHENEY, R. H. B.S., A.M., S.M., Sc.D., Prof. — Dept. of Biol., Brooklyn 

 Coll., Bedford Ave. and Ave. H, BROOKLYN 10, N.Y., U.S.A. 



a. Retardation effect of dimethylated xanthines on development. Arbacia 

 punctulata (Echinoidea) 



b. Theophylline, theobromine, and caffeine effects on fecundity and deve- 

 lopment. Rattus norvegicus (Rodentia) 



c. Effect of di- and trimethylated xanthines on root tip growth. Allium 

 spec. (Liliaceae) 



d. Effect of methylated xanthines on the oxygen consumption of the 

 fertilized egg and early embryology. Arbacia punctulata (Echinoidea) 



e. Effect of x-ray irradiation on development of methylated xanthine-treated 

 eggs. Arbacia punctulata (Echinoidea) 



f. Effect of caffeine on development. Rana pipiens (Anura) 



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