Schw 82 Sens 



SCHWARTZ. V. — Max Planck-Inst. fur Biol., Spcmannstr. 34. TUBIN- 

 GEN. Deutschland 

 a. Ontogcncsc dcs Flugelmusters. Plodia (Lepidoptera) 



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

 Univ.. Moharram Bey. ALEXANDRIA. Egypt 



a. Stages in normal development. Bufo regulads (Aniira) 



b. The development of skull and visceral muscles during metamorphosis. 

 Xcnopits laci'is (Anura) (Normal Table) (in collaboration with M. 

 I. MICHAEL) 



c. The segmentation of the urostyle. Bu[o regularis (Anura) 



SEIDEL F. Dr Phil.. Prof. — Max Planck-Inst. f. Tierzucht und Tier- 

 ernahrung. (20a) MARIENSEE Kreis NEUSTADT a. Rubenberge. 

 Deutschland 



a. Morphologische und physiologische Untersuchungen an der embryonalen 

 Entwicklung. Ori/ctolagus cuniculus (Lagomotpha) 



b. -Morphologische und physiologische Untersuchungen an der embryonalen 



Entwicklung. Platycnemis (Diptera), Gryllus (Orthoptera) 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. (Insecta). (Invertebrata) 



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

 ties of the tissue concerned. (Amphibia) 



c. Effect of ultrasonics on embryonic development. Drosophila melano- 

 gaster (Diptera) (in collaboration with. Miss S. J. COUNCE) 



d. Electron microscope study of cytoplasmic inclusions. (Amphibia) (in 

 collaboration with Mrs R. M. CLAYTON— FREEDMAN) 



SEMBRAT. K. Ph.D.. Prof. — Zakiad Zool. Ogolnej. Inst. Zool. Uniw. 



we Wrociawiu, ul. Sienkiewicza 21. WROCLAW. Polska (Poland) 



(no data received over some years) 

 SEMBRATOWA. Mrs Z. M.D.. Prof. — Zakiad Histol. i Embryol.. Akad. 



Medycznej. ul. Chalubinskiego 6a, WROCLAW. Polska (Poland) 



(no data received over some years) 

 SENGEL, Ph. J. Lie. es Sci. — Lab. de Zool. de la Fac. des Sci. et Lab. 



d'Embryol. et Teratol. exper. du C.N.R.S.. Inst, de Zool. et de Biol. 



gen., 12 Rue de I'Universite. STRASBOURG, France 

 a. Sur les conditions de la regeneration normale du pharynx. Dugesia (= 



Euplanaria) lugubris O. Schm. (Turbellaria) 

 h. Developpement du systeme nerveux et de la pigmentation de la peau 



de I'embryon en cultures in vitro. Gallus (Aves) 

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



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



a. Development of the vertebral canal and its contents. Homo sapiens 

 (Primates) 



b. Developmental anomalies of the vertebrae, meninges and spinal cord. 

 Homo sapiens (Primates) 



c. The normal and abnormal development of the skull and its related 

 structures. Homo sapiens (Primates) 



