Sei-Sig 



SEIDEL, F. DrPhil.. o.Prof. — Zool. Inst, der Univ.. Ketzerbach 63, (16) 

 MARBURG/Lahn. Deutschland 



— Mnx-PIanck-Inst. f. Tierzucht und Ticrernahrung. (20a) MARIEN- 

 SEE, Krcis Ncustadt a. Riibenberge. Deutschland 



a. Morphologische und physiologische Untersuchungen an der embryonalen 

 Entwicklung. Oryctolagns cuniculus ( Lagomorpha) 



b. Moiphologische und physiologische Untersuchungen an der embryonalen 

 Entwicklung. Platycnemis (Odonata) . Gnjllus (Orthoptcra) . Apis 

 (Hijmenoptera) und Ascaris (Nematoda) 



SELMAN, G. G. Ph.D. — Inst, of Animal Genet.. Univ. Dept of Genet., 

 King's Buildings, West Mains Rd. EDINBURGH 9, Scotland (U.K.) 



a. Study of the effects of destroying the primary organisation of mosaic 

 and regulation eggs by ultrasonic treatment. (Invertebrata) 



b. Some measurement of morphogenetic forces and the mechanical proper- 

 ties of the tissue concerned. (Ampibia) 



c. Study of developing embryos using electronmicrographs of ultrathin 

 sections. (Amphibia) (in collaboration with Mrs H. B. OLIVER — 

 YATES) 



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

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

 a. Descripti\e and experimental embryology. Sagartia leiicolena Verril 



(Anthozoa) 

 h. Localization of the primary gonocytes in the early gastrula. (Amphibia) 



c. The morphogenetical functions of the thyroid gland and hypophysis. 

 (Pisces. Amphibia, Reptilia, Aves) 



d. Early developmental stages. Epimys norvegicus (Rodentia) 



e. Regulation and regeneration of the primary optic vesicle. Triturus 

 (Urodela) 



SEMBRATOWA, Mrs Z. OPOCZYnSKA M.D., Prof. — Zaklad Histol. 

 i Embryol., Akad. Mcdycznej. Chalubinskiego 6a, WROCLAW, Poland 

 a. Regulation and regeneration of the primary optic vesicle. Triturus (Uro- 

 dela) 



SENGEL, Ph. J. Lie. es Sci. — Lab. de Zool., Inst, de Zool. et de Biol, gen., 

 Fac. des Sci., 12 Rue de I'Universite, STRASBOURG, France 



a. Sur I'induction d'une zone pharyngienne. Dugesia lugubris O. Schm. 

 (Turbellaria) 



b. Croissance du germe plumaire et pigmentation de la peau d'embryon culti- 

 vce in vitro sur milieux naturels et synthetiques. Gallus gallus (Aves) 



SENSENIG, E. C. B.A., M.S., Ph.D.. ProL — Univ. of Alabama, Med. 



Center. BIRMINGHAM 5, Alabama, U.S.A. 

 SETTLE, G. W. A.B , M.D. — Dept of Embryol., Carnegie Inst, of 

 Washington. Wolfe and Madison Sts. BALTIMORE 5, Md. U.S.A. 

 a. Anatomy of club-foot deformities (particularly talipes equinovaris) in 

 the fetus. Homo (Primates) 

 SEVKET GIZ, F. Dr, Prof. — Zooloji Enstitusu. Suleymaniye-Miiftiiliik, 

 ISTANBUL. Turkey 

 a. Normal development of some marine species. (Pisces) 

 SHAFIQ, S. A. M.Sc. D.Ph. — Dept of Zool.. Dacca Univ., DACCA, 

 Pakistan 

 a. Cytological study of the differentiation of pancreatic cells (exocrine). 

 Bufo maculipenis (Anura) 



92 



