Chapman-Cle 



b Experimental study of development of qonads. Mas (Rodentia) (in 

 collaboration with E. A. HOLYOKE and }. S. LATTA) 

 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. Miis musculus (Rodentia) 



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

 and pigment distribution. Mas musculus (Rodentia) 



CHEN. J. M. — Strangeways Research Lab., Wort's Causeway, CAM- 

 BRIDGE, England (U.K.) 



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

 Zurich, Kiinstlergasse 16, ZURICH 6, Schweiz 



a. Organogenesis in chimaera. (Amphibia) (in collaboration with F. BALT- 

 ZER, Bern) 



b. Nucleic acids and animo acids in hybrid development. (Amphibia) 



c. Developmental physiology and biochemistry. Drosophila spec. (Diptera) 

 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 

 pnnctulata (Echinoidea) 



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

 opment. Rattus norvegicus (Rodentia) 



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

 (Liliaccae) 



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

 lized egg and early embryology. Arbacia punctulata (Echinoida) 



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

 eggs. Arbacia punctulata (Echinoidea) 



CHIRIBOGA, J. M.D. — Centra! de Investig., Minist. de Salud Piibl. de la 



Nacion. Bolivar 1128, BUENOS AIRES, Argentina 

 CHIQUOINE, A. D. B.A., Ph.D. — Dept of Biol., Princeton Univ.. 



PRINCETON, N.J.. U.S.A. 

 a. Histochemical studies of the developing embryo. Mus musculus albinus 



(Rodentia) 

 CHISHIMA, K. Prof. — Lab. for Zool.. Dept of Agr., Gifu Univ.. Naka- 



cho, GIFU, Gifu-ken, Japan 



a. New cell (spermatogonia) -formation from living substances (fatty 

 tissue). Bombyx mori L. and Pachytilus danicus L. (Insecta) 



b. New cell (hemocytoblast) -formation from yolk spheres in embryo and 

 tadpole. Rana niqromaculata Hall (Anura) 



CHUANG HSIAO HUI, F.I. I.E., Dr rer. nat.. Dr rer. nat. habil. — Lab. of 



Developm. Physiol., Inst, for Exper. Biol.. Acad. Sinica, 865 Chang Ning 



Rd, SHANGHAI, China 

 CHURCH, G. A.B. — Dept of Biol. Sci., Stanford Univ.. STANFORD, 



Cal.. U.S.A. 

 CIGADA— LEONARDI. Mrs M. Dott. Sci. Biol. — 1st. di Zool. e Anat. 



Comp., Univ. di Milano, Via Celoria 10, MILANO, Italia 

 a. Protein changes in embryonic development. (Insecta, Echinodermata. 



Amphibia and Aves) 

 h. Fluorescent substances. (Amphibia) 

 CITTERIO. P. Grad.stud. — 1st. di Zool. e Anat. Comp.. Univ. di Milanr 



Via Celoria 10. MILANO, Italia 



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