Cen 19 Cheney 



CENACCHI, Miss M. Dr Nat.Hist. — 1st. di Anat. Comp., Via Belmeloro 

 8. BOLOGNA (103). Italia. 

 a. Variations of total P during development. Rana esculenta (Anuta) 

 CENTAMORI. M. Dott. — 1st. di Biol, gen., Fac. di Med., S. Pietro, 

 PERUGIA. Italia, 

 a. Comportamento degli acidi nucleinici in embrioni di vegetali. Lupinus 

 albus (Lequminosae, Dialipetalae) 

 CHAMBERS. W. W. B.S., Ph.D., Asst Prof. — Dept of Anat., School of 

 Med.. Univ. of Pennsylvania, PHILADELPHIA 4, Pa., U.S.A. 

 (no data received over some years) 

 CHANG, C. M.S., Ph.D. — Zool. Dept, State Univ. of Iowa, IOWA 

 CITY, Iowa, U.S.A. 

 a. Sex determination by steroid hormones. (Anura) 

 h. Parabiosis and sex differentiation. Xenopus (Anura) 

 c. Inheritance of polymely. Bufo (Anura) 

 CHANG KO B.Sc. — Lab. of Developm. Physiol., Inst, of Exper. Biol., 

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

 (no data received on Nov. 1=*, 1952) 

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

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

 (no data received on Nov. 1^*, 1952) 

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

 Ave, SHREV/SBURY. 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) 



b. Cleavage of unfertilized ova. Mustela putorius [uro L. (Carnivora) 



c. Development of blastocyst. Bos taurus (Artiodactyla) 



d. Fertilizabilitv. Oryctolagus cuniculus (Rodentia) 

 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 



(no embryological work in progress) 

 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) 



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

 BRIDGE. England (U.K.) 

 a. The effect of insuHn on the development of skeletal rudiments cultivated 

 in vitro, (in collaboration with members of the Sir William Dunn 

 Inst, of Biochemistry. Cambridge Univ.) 



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

 lyn 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 effect of di- and trimethylated xantines on development. 

 Arabacia punctulata (Echinoidea) 



c. Theophylhne, theobromine, and caffeine effects on fecundity and deve- 

 lopment. Rattus norvegicus albinus (Rodentia) 



