Scothorne-Sho 



a. Development of pharyngeal derivatives. (Aues; Mammalia) 



b. Development of nasal cavity. (Aves) 



SEDRA, S. N. B.Sc, M.Sc, Ph.D., F.Z.S., M.I. I.E. — Dept. of Zool., 

 Alexandria Univ., Moharram Bey, ALEXANDRIA, Egypt 



a. Behaviour of egg laying. Rana fusca, Bufo regularis (Anura) 



b. The chronological order of ossification. Bufo regularis (Anura) 

 SEGAL, S. J. B.A., M.S., Ph.D., M.I.I.E. — Population Council, Rockefeller 



Inst., 66th St. and York Ave., NEW YORK 21, N.Y., U.S.A. 

 a. Immunologic analysis of pituitary gonadotrophin function: development 



and species specificity. (Vertebrata) 

 SEIDEL, F. Dr.Phil, F.I. I.E., Prof. — Zool. Inst, der Univ., Ketzerbach 63, 



(16) MARBURG/Lahn, Deutsche Bundesrepublik 

 SEKIGUCHI, K. Ph.D. — Inst, of Zool, Univ. of Education, Otsuka-Kubo- 



machi 24, Bunkyo-ku, TOKYO, Japan 

 a. Regulation in the developing egg. Tachypleus tridentatus (Xiphosura, 



Merostomata) (in collaboration with H. OKA) 

 SELMAN, G. G. B.Sc, Ph.D., M.I.I.E. — Inst, of Animal Genet., Univ. 



Dept. of Genet., King's Buildings, West Mains Road, EDINBURGH 9, 



Scotland 



a. Some measurements of morphogenetic forces and the mechanical proper- 

 ties of the tissue concerned. (Amphibia) 



b. Study of certain features of developing embryos using electronmicro- 

 graphs. (Diptera; Amphibia) (in collaboration with C. H. WADDING- 

 TON and Miss M. M. PERRY) 



SEMBRAT, K. Ph.D., Sc.D., M.I.I.E., Prof. — Zaklad Zool. Ogolnej, Inst. 



Zool., Uniw. we Wroclawiu, ul. Sienkiewicza 21, WROCLAW, Poland 

 SENGEL, Miss C. Lie. es Sci. — Lab. d'Embryol. exper. du Coll. de France, 



1 1 Place Marcelin Berthelot, PARIS Ve, France 



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

 Belle Gabrielle, NOGENT sur Marne (Seine), France 



a. Mise au point d'une technique de culture in vitro d'organes et de 

 tissus en voie de regeneration, en adaptant la methode de Et. C. Wolff 

 et K. Haffen. Dugesia lugubris (Turbellaria) 

 SENGEL, Ph. Dr. es Sci., M.I.I.E. — Lab. d'Embryol. exper. du Coll. de 

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



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

 Belle Gabrielle, NOGENT sur Marne (Seine), France 



a. Pigmentation de la peau d'embryon cultivee in vitro sur milieux na- 

 turels et synthetiques. Gallus gallus (Aues) 



b. Analyse in vitro des roles du derme et de l'epiderme dans la diffe- 

 renciation des germes plumaires chez l'embryon. Gallus gallus (Aues) 



c. Etude de Taction de divers extraits d'organes sur la differenciation et la 

 croissance de la peau et des germes plumaires. Gallus gallus (Aues) 



SENO, T. — Dept. of Anat., School of Med., Gunma Univ., MAEBASHI, 

 Japan 



SENSENIG, E. C. B.A., M.S., Ph.D., M.I.I.E., Prof. — Dept. of Anat., 

 Med. Center, Univ. of Alabama, 1919 Seventh Ave. So., BIRMING- 

 HAM 3, Ala., U.S.A. 

 a. Development of the lumbo-sacro-coccygeal segments. Homo sapiens (Pri- 

 mates) 



126 



