Rut-Sau 



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



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

 a. Development of nervous system. (Insecta) 

 f RUUD, Miss G. Cand.real. — Zool. Lab., Univ. of Oslo, OSLO-Blindern, 



Norway 



(deceased) 

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



PRAHA II, Czechoslovakia 



a. Experimental morphology of the aortic arches and of the heartloop. 

 Gallus domesticus (Aves) 



b. Experimental analysis of cardiovascular anomalies. Gallus domesticus 

 (Aves) ~~ i 



SABBADIN, A. Dr. — 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 asuexual 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. Samolus parviflotus 



b. Cell division; calculation of generation and karyokinesis time; thymidine 

 and adenine incorporation. Samolus parviflorus 



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

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

 rifolium 



SAKAI, H. M.A. — Embryol. Section, Dept. of Biol., Fac. of Sci., Tokyo 

 Metropolitan Univ., Setagaya-ku, TOKYO, Japan 



a. A method for the isolation of the egg cortex. (Echinoidea) 



b. The behaviour of a thread model made with a protein fraction of the 

 egg. (Echinoidea) 



SALA, M., S.J. Dr. — 1st. di Zool. e Anat. comp., Fac. di Sci., Via Loredan 

 10, PADOVA, Italia 



a. Distribution of activating and transforming principles in the archenteron 

 roof of the neurula (analysis of the regional induction of the nervous 

 system). Amby stoma mexicanum (Urodela) 



b. Determination of the peripheral nervous system. (Anura) 



SALFI, M. Dr. Sci. Nat., Prof. — 1st. di Zool. dell'Universita di Napoli, 

 Via Mezzocannone 8, NAPOLI, Italia 

 a. Blastogenesi. (Ascidiacea) 



SALZGEBER, Miss B. Dr es Sci. — Lab. d'Embryol. exper. du Coll. de 

 France, 1 1 Place Marcelin Berthelot, PARIS Ve. France 

 — Lab. d'Embryol. et Tetarol. exper. du C.N.R.S., 49 bis Avenue de la 

 Belle Gabrielle, NOGENT sur Marne (Seine), France 



a. Recherches sur Taction d'agents physiques et chimiques sur la differen- 

 ciation sexuelle. 



b. Action de substances chimiques sur les gonades embryonnaires cultivees 

 in vitro. 



SAMANO BISHOP, Miss A. Dr. — Inst, de Biol., Ciudad Universitaria, 

 MEXICO D.F., Mexico 



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