a. Determination in early development. (Echinodermata and Amphibia) 

 CLARA, M. Dr, Prof. — Inst, of Histol. and Embryol., Univ. of Istanbul. 



ISTANBUL-Beyazit, Turkey 



(no embryological work in progress) 

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



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

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



STORRS, Conn., U.S.A. 



a. Nitrogen metabolism of embryos. (Reptilia and Aves) 



b. Factors affecting reagqregation of segregated cells in tissue culture, 

 (in collaboration with J. E. SHANNON) 



c. Nitrogen metaboHsm of synovial tissue. Homo (Primates) 



d. Phase contrast cinematography of synovial tissue. Homo (Primates) 



e. Ontogenesis of enzymes. Rana pipiens (Anura), Gallus domesticus 

 (Aves) (in collaboration with M. GOLDIE) 



CLARKE ERASER, F. M.D. — Dept of Genetics, McGill Univ., 

 MONTREAL, Quebec, Canada 



a. The experimental production of congenital defects, chiefly by maternal 

 treatment with cortisone. Mus musciilus (Rodentia) 



b. The effect of puncturing the amnion around the time of palate closure, 

 in relation to congenital cleti palate. Mus musculus (Rodentia) 



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

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



a. Formation de I'oeuf (Role de I'hormone femelle en vitellogenese). Colum- 

 ba. Anas and Gallus (Aves) 



b. Recherches sur le determinisme de la symetrie bilaterale. (Aves) 

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



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

 BURGH 9, Scotland (U.K.) 



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

 alpestris (Uvodela) 



b. Studies of a locus in a highly inbred line by immunological 

 and allied techniques: the loci pink eye, luxate, and agouti in CBA 

 mice and albino in an inbred strain of this laboratory. Mus musculus 

 (Rodentia) 



c. Differentiation in tissue culture. Gallus (Aves) (in collaboration with 

 M. FELDMAN and Mrs H. B. OLIVER— YATES) 



d. Studies of differentiation by immunological and chromatographic techni- 

 ques. Mus musculus (Rodentia) 



CLEAT, N. D. B.Sc. — Dept of Genet., The University, GLASGOW W. 2, 

 Scotland (U.K.) 



CLEGG, E. J. M. B.. Ch. B. — Dept of Anat., Univ. of Liverpool, LIVER- 

 POOL, England (U.K.) 

 a. The importance of the vascularization of the prostate and seminal vesicles 

 for the viability of spermatozoa. (Mammalia) 



CLELAND, K. W. M. B., B.S. — Dept of Histol. and Embryol, Univ. of 

 Sydney, SYDNEY, N.S.V/., Australia 

 (no embryological work in progress) 



CLEMENT, A. C. Ph.D., Prof. — Dept of Biol.. Emory Univ., ATLANTA. 

 Ga, U.S.A. 



