Chang 20 Chu 



CHANG, C. Y. M.S. — Zool. Dept. State Univ. of Iowa, IOWA CITY. 

 Iowa, U.S.A. 



a. Sex determination by steroid hormones. (Anura) 



b. Parabiosis and sex differentiation. Xenopus (Anura) 



CHANG, K. P. B.Sc. — Lab. for Developm. Physiol., Inst, of Exper. Biol., 

 Acad. Sinica, 865 Chang Ning Rd. SHANGHAI. China, 

 a. Isolation, purification, chemistry and the mode of action of eye stalk 

 hormone. (Crustacea) (in collaboration with S. PAI, Shen Shu MING 

 and Yang Fu YU) 

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

 SHREWSBURY. Mass., U.S.A. 

 a. Physiology of fertilization and cleavage. Transplantation of blastocysts. 

 Development of ova at different stages in relation to ovulation time of 

 recipients. Oryctolagus cuniculus (Rodentia) 

 h. Cleavage of unfertilized ova. Mustela putorius faro L. (Catnivora) 

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

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

 Ceylon, India, Asia, 

 (no data received over this year) 

 CHAPMAN, G. M.A., Ph.D. — Queen Mary Coll., Univ. of London. 

 Mile End Rd.. LONDON E 1, England (U.K.) 

 a. Descriptive and comparative embryology. Scoloplos armiger (Polychaeta) 

 h. Descriptive and comparative embryology. Phyllodoce maculata (Poly- 

 chaeta) 

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

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

 a. Study of anophthalmia and microphthalmia. Mus musculus (Rodentia) 

 h. Study of skin and its derivatives with emphasis on hair development and 

 pigment distribution. Mus musculus (Rodentia) 

 CHENEY, R. H. B.S., A.M., S.M., Sc.D., Prof. — Department of Biology, 

 Brooklyn College, Bedford Ave and Ave H., BROOKLYN 10, N.Y., 

 U.S.A. 



a. Retardation effect of dimethylated xanthines on development. Arbacia 

 punctulata (Echinoidea) 



b. Comparative effects of di- and trimethylated xanthines on development. 

 Arbacia punctulata (Echinoidea) 



CHI, Chiang Tien B.Sc. — Lab. of Developm. Physiol.. Inst, of Exper. Biol., 

 Acad. Sinica, 865 Chang Ning Rd, SHANGHAI, China, 

 a. Comparative metabolic studies on normally fertilized and artificially 

 activated eggs. Bombyx (Insecta) 



CHOW. P. S. B.Sc. — Dept of Biol.. Nat. Univ. of Chekiang. HANG- 

 CHOW. China, 

 (no data received over this year) 



CHU. J. B.Sc. — Lab. of Developm. Physiol., Inst, for Exper. Biol., Acad. 

 Sinica. 865 Chang Ning Rd. SHANGHAI. China. 



a. Biochemical determination of phosphatase activity in development. Dro- 

 sophila (Insecta) (in collaboration with T. YAO and Chang Chu 

 YING) 



b. Studies on the relation between enzymes and hormones during meta- 

 morphosis. (Insecta) (in collaboration with T. YAO and Cheng Chu 

 YING) 



