Karczmar 49 King 



b. The effect of antimitotics and carcinogens on regeneration. The effect 

 of nitrogen mustard as compared to that of denervation. The comparison 

 of the effects of these agents during various stages of regeneration, with 

 special emphasis on the effect of carcinogens on dedifferentive stage 

 of regeneration and on experimentally induced exaggerated dedifferen- 

 tiation (regression). Amblystoma punctatum and opacum (Urodeles) 



c. Effect of pharmacological agents during progressive stages of differen- 

 tiation. Change of response to agents acting on central and peripheral 

 system during morphogenesis. Amblystoma punctatum and opacum 



KATAKURA, Y. M.A. — Biol. Inst, of Keio Univ., Hiyoshi, Kohoku, 

 YOKOHAMA, Japan. (Insects) 



a. Differentiation of the primordial germ-cell in the silkworm. Bombyx mod 



b. The sexual characters of gynandromorph in the silkworm. Bombyx mori 

 KEMP, N. E. Ph.D. — Dept of Zool., Univ. of Michigan, ANN ARBOR, 



Mich., U.S.A. 



a. Synthesis and utilization of yolk during morphogenesis of Amphibians. 

 Rana pipiens and Amblystoma punctatum 



b. Differentiation of viscera and survival of tadpoles with opened body 

 cavities. Rana pipiens (Amphibia) 



KERKHOF, Miss A. M. Arts — Anat.-Embryol. Lab. of the Univ. of 



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



Holland, 

 a. Influence of the gonadal hormones on the development of the female 



genital system in the mouse. (Rodents, Mammals) 

 KERR, J. Graham Dr, Prof. (Emer.) — Dalney Veed, ROYSTON (Herts). 



Barley, England. 

 KIANG, H. M. B.Sc, Dr rer. nat. — Dept of Biol., Nat. Univ. of Chekiang, 



HANGCHOW, China, 

 a. Studies on eye-stalk hormone in Crustacea: 



1. Isolation and purification of the hormone preparation. 



2. Chemical identification of the active principle. 



3. Mechanism of the hormonal action. 



Caridina denticulata (Decapoda) (in collaboration with J. CHU, P. S. 

 CHOW and Miss N. TSAI) 

 KILLE, R. A. B.Sc. — Dept of Zool., Univ. of Edinburgh, West Mains Rd, 

 EDINBURGH 9, Scotland, 

 a. The early development of the skull bones developing in connection with 

 the lateral line canals. Salmo spp. (Teleostei) 

 KINDAHL, Miss M. E. Phil. Dr — Zootom. Inst., Univ. of Stockholm, 116, 

 Drottinggatan, STOCKHOLM, Sweden. 

 a. The development of the teeth. (Insectivora) 

 KING. R. — Dept of Biol. Sci., Stanford Univ., STANFORD, Cal., U.S.A. 

 a. A study of melanophore differentiation, utilizing melanin inhibitors 

 (e.g. phenylthiourea). (Amphibians) 

 KING T. J. B.S., M.S. — Lankenau Hosp. Res. Inst, and Inst, for Cancer 

 Res., Burholme Ave Fox Chase, PHILADELPHIA 11, Pa. U.S.A. 

 a. By combining the techniques of gynogenesis and androgenesis, partial 

 blastulae are produced which are presumably devoid of functional nuclear 

 material. The potentialities of these "nucleusless cells" are being inves- 

 tigated via transplantation to healthy, normal blastulae. Rana pipiens 

 (Amphibia) (in collaboration with R. W. BRIGGS and E. U. GREEN) 



