Sco-Sen 



SCOTHORNE. R. J. B.Sc, M.D., F.R.S.E., Prof. — Dept. of Anat., Med. 

 School, King's Coll.. Univ. of Durham, NEWCASTLE upon Tyne 1, 

 England 



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



b. Development of nasal cavity. (Aves) 



SEARLS, R. L. B.S., Ph.D. — Dept. of Biol., Univ. of Virginia, CHARLOT- 

 TESVILLE, Va., U.S.A. 



a. Ectoderm-mesoderm interaction in limb development. Gallus domesticus 

 (Aves) 



b. Metabolic changes in development. Gallus domesticus (Aves) 

 SEDLACEK, J. MUDr., Cand.Med.Sci. — Lab. of Embryophysiol., Inst, of 



Physiol., Albertov 5, PRAHA 2, Czechoslovakia 



a. Localization of mechanism of temporary connection in prenatal period. 

 (Mammalia) 



b. Role of motor activity for normal development in prenatal period. (Mam- 

 malia) 



c. Development of impedance in foetal tissues. (Mammalia) 



d. Prenatal development of hypothalamo-hypophysis; morphological and 

 functional correlations. (Mammalia) 



e. Prenatal development of respiratory centre. (Mammalia) 



f. Development of EKG by experimental inborn cardiac failure during pre- 

 natal period. (Mammalia) 



g. Development of transplacental transfer. (Mammalia) 

 h. Artificial placenta. (Mammalia) 



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

 andria 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. — Div. of Biomed. Sci., Population 



Council, Rockefeller Inst., NEW YORK 21, N.Y., U,S.A. 



a. Immunologic analysis of pituitary gonadotrophs function: development 

 and species specificity. (Vertebrata) 



b. Mechanism of hormone action. (Vertebrata) 



c. Action of blastotoxic chemical agents. (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., Tokyo Kyoiku Univ., Otsuka- 



Kubo-machi 24, Bunkyo-ku, TOKYO, Japan 

 a. Transplantation experiments with the egg. Tachypleus tridentatus (Xipho- 



sura, Merostomata, Crustacea) (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. Study of certain features of developing embryos using electronmicro- 

 graphs. (Amphibia) 



b. Electron microscope observations of endoplasmic reticulum after distur- 

 bance with ultrasonics. Triturus alpestris (Amphibia) (in collaboration 

 with A. JURAND) 



c Electron microscope observations of yolk utilization in notochord. Tritu- 

 rus alpestris (Amphibia) (in collaboration with A. JURAND) 



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