SCHNEIDER R. Dr med. — Dr Senckenberg. Anat. Inst., Med. Fak. der 



Univ., Ludwig Rehnstr. 14, FRANKFURT/Main-Siid, Deutschland 

 SCHNETTER, M. Dr phil. — Zool. Inst, der Univ., Katharinenstr. 20, 



FREIBURG i. Brsg., Deutschland 

 SCHNITTER, M. — Zool.-vergl. Anat. Inst., Naturw. Fak.. Univ. Zurich, 



Kiinstlergasse 16, ZuRICH 6, Schweiz 

 a. Development and metamorphosis in lethal mutants. Drosophila spec. 

 SCHOTT, J. — Lab. de Zool, Inst, de Zool. et de Biol, gen., Fac. des Sci., 



12 Rue de I'Universite, STRASBOURG, France 



a. Morphogenese et physiologie embryonnaire des glandes endocrines. 

 (Selachiu Teleostei) (en collaboration avec J. VIVIEN et R. RECHEN- 

 MANN) 



b. Analyse du processus de regulation et de paragenese. (Selachii) (en 

 collaboration avec D. HAY et J. VIVIEN) 



SCHOTTe, O. E. Dr, Prof. — Dept of Biol., Amherst Coll.. AMHERST, 

 Mass., U.S.A. 



SCHREIBER, B. Dott.Sci.Nat., Prof. — 1st. di Zool. dell'Univ., PARMA, 

 Italia 

 a. Bone induction. (Amphibia) 



SCHREURS. A. F. B.Sc. — Zool. Lab. der Rijks Univ., Janskerkhof 3, 

 UTRECHT, Holland 

 a. Influence of various kations on development. Limnaea stagnalis (Gastro- 

 poda) (in collaboration with W. L. M. GEILENKIRCHEN and Chr. P. 

 RAVEN) 



SCHRODER, R. K. P. Dr Med. — Anat. Inst, der Univ. Hamburg, Schott- 

 miillerstr. 1, HAMBURG 20, Deutschland 



— from May 1, 1956: Pathol. Inst., Univ. Krankenhaus, Eppendorf. 

 HAMBURG. Deutschland 

 a. Fetal membranes. 



SCHWARTZ, V. — Max Planck-Inst. fiir Biol., Spemannstr. 34, TUBIN- 

 GEN, Deutschland 

 a. Ontogenese des Fliigelmusters. 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 regulatis (Anura) 



b. The segmentation of the urostyle. Bufo regulatis (Anura) 



c. The development of the nasal capsules. Bufo regularis (in collaboration 

 with M. I. MICHAEL) 



d. The ontogenesis of the vertebral coluro" Bufo regularis (in collaboration 



with A. A. MOURSI) 

 SEGAL, S. I. M.S., Ph.D. — Dept of Zool.. State Univ. of Iowa. IOWA 

 CITY. Iowa, U.S.A. 



a. Development of the urogenital ducts. Xenopus (Anura) 



b. Hormonal factors influencing prostatic neoplasms. (Mammalia) 



c. Determination of the gonadotrophin secreting function of the hypophysis. 

 (Mammalia) 



d. Protein specificity of endocrine organs and secondary sex glands. 

 SEHE, Ch. T. — Dept of Zool, State Univ. of Iowa, IOWA CITY, Iowa, 



U.S.A. 

 a. Investigation of function of ultimobranchial body by radioautography 

 (1131). (Vertebrata) 



91 



