Clark 22 Colwin 



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



STORRS, Conn., U.S.A. (no data received over this year) 



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



Morphol. exper., Fac. de Med., 1, Place de l'Hopital, STRASBOURG, 



(Bas-Rhin), France, 

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



Pigeon, duck and chick 

 CLAYTON, Mrs R. M. B.A. — Univ. Dept of Genet., Inst, of Anim. 



Genet., West Mains Rd, King's Builings, EDINBURGH 9, U.K. 



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

 alpestris (Amphibia) 



b. Studies of a mutant in a highly inbred line by immunological and allied 

 techniques: The mutants pink eye and luxate in CBA mice and albino 

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



CLEAT, N. D. B.Sc. — Dept of Zool., Univ. of Edinburgh, West Mains 



Rd, EDINBURGH 9, Scotland, 

 a. Post-embryonic growth and development of the oribatid mite Schelori- 



bates laevigatus (Koch). (Arachnida, Acarina) 

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



EMORY UNIVERSITY, Ga, U.S.A. 

 a. Experimental analysis of germinal localization in Ilyanassa obsoleta. 



(Effects of removal of the polar lobe, development of isolated blastomeres 



and other fractions of the egg. Effects of various chemicals on differen- 

 tiation ) . (Gastropoda) 

 COHEN, S. Ph.D. — Univ. of Colorado, Med. Center, Dept of Pediatrics, 



4200 east Ninth Ave, DENVER 7, Col., U.S.A. 

 a. The metabolic maturation of the liver. The capacity to synthesize creatine 



from glycocyamine and methyl donors is tested with livers from guinea 



pig feti of different intrauterine ages. (Mammals) (in collaboration with 



J. DEMETRY) 

 COLLISTER, Miss R. M. — Anat.-Embryol. Lab. of the Univ. of Leyden, 



Fac. of Med., Boerhaavekwartier, Wassenaarseweg, LEIDEN, Holland, 

 a. Investigations on congenital heartmalformations. X-ray and anatomical 



dissection. Collateral circulations. Homo (Mammalia) (in collaboration 



with J. DANKMEIJER and H. A. SNELLEN) 

 COLOMBO, G. Dr — 1st. di Zool. e Anat. comp., Fac. di Sci., Via Loredan 



6, PADOVA, Italia. 



a. Chromosomes in early development. (Amphibia) 



b. Effects of hormones on cleavage. (Amphibia) 



COLWIN, A. L. Ph.D., Prof. — Dept of Biol., Queens Coll., Flushing, 

 L.I., NEW YORK, N.Y., U.S.A. 



a. Fertilization reaction. Saccoglossus ( Enter opneusta) (in collaboration 

 with Mrs L. H. COLWIN) 



b. Normal and experimental development. Saccoglossus (Enter opneusta) 

 (in collaboration with Mrs L. H. COLWIN) 



c. Effect of certain chemicals on development. Molgula, Ciona and Styela 

 (Tunicata) 



COLWIN, Mrs L. H. Ph.D., Prof. — Dept of Biol., Queens Coll., Flushing, 

 L.I., NEW YORK, N.Y., U.S.A. 

 a. Fertilization reaction. Saccoglossus (Enteropneusta) (in collaboration 

 with A. L. COLWIN) 



