Cheney 20 Clay 



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

 (Liliaceae) 



e. Effect of di- and trimethylated xanthines on enzymatic activity. 

 CHENG CHU YING B.Sc. — Lab. of Developm. Physiol., Inst, for Exper. 



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



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

 CHIANG TIEN CHI B.Sc. — Lab. of Developm. Physiol., Inst, for Exper. 



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



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

 CHIRIBOGA, J. M.D. — Central de Investig., Minist. de Salud Publ. de la 



Nacion, Bolivar 1128, BUENOS AIRES, Argentina, 

 a. Action of ACTH on development. Bu[o arenarum (Anura) 

 h. Mucopolysaccharides in development. Bu[o arenarum. (Anura) 

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

 CHOW, China. (no data received over some years) 

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



Sinica, 865 Chang Ning Rd, SHANGHAI, China. 



(no data received on Nov. \^K 1952) 

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



of Developm. Physiol., Inst, of Exper. Biol., Acad. Sinica, 865 Chang 



Ning Rd, SHANGHAI, China. 



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

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



Cal.. U.S.A. 



a. The growth of graft hybrids. (Amphibia) 

 CICADA, Miss M. Dott. Sci. Biol. — 1st. di Zool. e Anat. Comp., Univ. 



di Milano, Via Celoria 10, MILANO, Italia, 

 a. Protein changes in embryonic development ( Echinodermata, Amphibia 



and Aues) 

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



Via Celoria 10. MILANO, Italia. 

 a. Determination in early development (Echinodermata and Amphibia) 

 CLANCY, W. — Biol. Dept. Univ. of Oregon, EUGENE, Ore.. U.S.A. 



(no data received over some years) 

 CLARK, E. R. A.B., M.D.. Sc.D., Prof. Emer. — Dept of Anat., School of 



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



(no data received on Nov. \^K 1952) 

 CLARK, H. B.A., Ph.D., Prof. — Dept of Zool., Univ. of Connecticut. 



STORRS, Conn., U.S.A. (no data received on Nov. l^\ 1952) 



CLAVERT, J. Dr en Med., Dr es Sc, Prof. — Inst. d'Embryol., Fac. de 



Med., 1 Place de I'Hopital, STRASBOURG, France, 

 a. Egg formation. (Role of female hormone in vitellogenesis). Columba, 



Anas and Gallus (Aves) 

 CLAYTON— FREEDMAN, Mrs R. M. M.A. — Inst, of Anim. Genet., 



Univ. Dept of Genet., King's Buildings, West Mains Rd, EDINBURGH 



9, Scotland (U.K.) 



a. Studies of differentiation by immunological and other techniques. Triton 

 alpestris (Urodela) 



b. Studies of a locus in a highly inbred hne by immunological and aHied 

 techniques: The loci pink eye. luxate, and agouti in CBA mice and 

 albino in an inbred strain of this laboratory. Mus musculus (Rodentia) 



