Runner-Sal 



c. Carbohydrate metabolism in relation to chemically induced phenocopies 

 of the skeleton. Mus musculus (Rodentia) 



d. Hereditary susceptibility to congenital deformity. Mus musculus (Ro- 

 dentia) 



RUNNSTROM, J. A. M. Ph.D., M.D., F.I.I.E., Prof. (Emer.) — Wenner- 

 Gren's Inst, for exper. Biol, Norrtullsgatan 16, STOCKHOLM Va., 

 Sweden 



a. The activation impulse in fertilization and artificial parthenogenesis. 

 (Echinoidea) 



b. Fine cell structure and cell division. (Echinoidea) 



c. The bilateral organization of the egg. (Echinoidea) 



d. The role of the animal-vegetal balance in development. The character 

 and mode of action of the vegetal agents. (Echinoidea) 



RUSSELL (BRAUCH), Mrs. L. Ph.D. — Mammalian Genet, and Develop- 

 ment Sect., Biol. Div., Oak Ridge National Lab., P.O. Box Y, OAK 

 RIDGE, Tenn., U.S.A. 



RUSSO-CAIA, S. Dott., Prof. Inc. — 1st. di Zool. e Anat. Comp., Univ. di 

 Camerino, CAMERINO, Italia 



a. Biochemistry of development. ( Aves; Mammalia) 



b. Biochemistry of metamorphosis. Musca domestica (Diptera) 



RUTH, R. F. Ph.D. — Dept. of Zool., Univ. of Alberta, EDMONTON, 

 Alberta, Canada 



a. Immunogenetic analysis of graft rejection and graft-versus-host reac- 

 tions in the very young animal. Gallus gallus (Aves) 



b. Permanent impairment of the immune mechanisms by local irradiation of 

 the thymus and the bursa Fabricii of the very young animal. Gallus 

 gallus (Aves) 



RUTSCHKY, C. W. Ph.D.— Dept. of Zool. & Entomol., Pennsylvania 



State Univ., University Park, Pa., U.S.A. 

 a. Development of nervous system. (Insecta) 

 RYCHTER, Z. MUDr. — Dept. of Anat, Charles Univ., U nemocnice 3, 



PRAHA 2, Czechoslovakia 



a. Experimental morphology of the aortic arches and of the heart loop. 

 Gallus domesticus (Aves) 



b. Experimental analysis of cardiovascular anomalies. Gallus domesticus 

 (Aves) 



c. Embryonic microhaemodynamics. Gallus domesticus (Aves) 

 RZEHAK, K. F. M.Sc. — Dept. of Biol, and Embryol., Acad, of Med., ul. 



Kopernika 7, KRAKOW, Poland 



a. Neural competence of the ectoderm. Ambystoma mexicanum (Urodela) 



b. The influence of the regeneration process on the organism. (Amphibia) 

 SABBADIN, A. Dr., Prof. — 1st. di Zool. e Anat. comp., Fac. di Sci., Via 



Loredan 10, PADOVA, Italia 



a. Gonad development. Influence of thyroidectomy and hypophysectomy: 

 role of mesonephros and adrenals. (Amphibia) 



b. Sexual and asexual reproduction. (Ascidiacea) 



SACHS, R. M. B.S., Ph.D. — Dept. of Floricult., Univ. of California, 300 

 Veteran Ave., LOS ANGELES 24, Cal., U.S.A. 

 a. Shoot histogenesis; subapical meristematic activity and its regulation by 

 gibberellic acid, AMO-1618, and maleic hydrazide. Chrysanthemum 

 morifolium 



120 



