Sr 86 Stephan 



SRIVASTAVA. M. D. L. D.Sc. F.N.A.Sc. — Zool. Dept, Allahabad Univ., 

 ALLAHABAD. India 



a. Experiments on the Wolffian regeneration of the lens. Rana tigrina 



b. Effects of thermal shock on the embryonic development. Rana tigrina 

 STADHOIIDERS. A. M. B.Sc. — Zool. Lab. der Rijks Univ.. Janskerkhof 



3. UTRECHT. Holland 



a. Influence of heat shock. Limnaea stagnalis (Gastropoda) (in collabora- 

 tion with G. A. van ERKEL and A. C. de ROON) 

 STARCK, D. F.I.I. E.. Drmed.. o. Prof. — Dr Senckenberg. Anat. Inst., 

 Med. Fak. der Univ.. Ludwig Rehnstr. 14. FRANKFURT/Main-Sud, 

 Deutschland 



a. Chondrocranium and osteocranium. Scotophilus temmincki and Myotis 

 myotis (Microchiroptera) 



h. Chondrocranium and osteocranium. especially orbitotemporal region of 

 skull. Struthio, Siila. Diomedea and Spheniscus (Aves) 

 STARK. O. J. Dr rer. nat. — Zool. Inst, der Univ., Katharinenstr. 20. FREI- 

 BURG i. Brsg.. Deutschland 



a. Entstehung und Determination der Geschlechtszellen und Gonaden. 

 Triton (iirodela) (gemeinsam mit O. MANGOLD) 

 STEFANELLI. A. F.I. I.E.. Dr. Prof.ord. — Lab. di Istol. ed Embriol. della 

 Fac. di Sci.. Univ. di Roma. Via A. BoreUi 50. ROMA, Italia 



a. Histogenetic determination and differentiat-'on of nervous cells. (Te- 

 leostei. Amphibia and Ares) 



b. Degeneration and regeneration of nervous cells. (Teleostei, Amphibia 

 and Ares) 



STEINER. H. Ph.D.. Prof. — Zool.-vergl. Anat. Inst.. Naturwiss. Fak.. 



Univ. Zurich. Kiinstlergasse 16. ZURICH 6. Schweiz 



(no data received over some years) 

 STEINERT. M. Lie. Sci. Zool. — Lab. de Morphol. anim., Fac. des Sci., 



Univ. libre de Bru.xelles, 1850 Chaussee de Wavre, BRUXELLES- 



Auderghem. Belgique 



a. Studies on nucleic acid synthesis during morphogenesis. (Amphibia) 



b. Etude des purines libres dans I'embryon. Rana, Pleurodeles, Ambystoma 

 STEINITZ. H. Ph.D. — Dept of Zoology. Hebrew Univ., JERUSALEM, 



Israel 



a. Regeneration of retina from transplanted retinal pigment epithelium. 

 Triturus r. viridescens (Iirodela) (in collaboration with L. S. STONE. 

 New Haven) 



b. The role of retinal pigment cells in various types of retinal injuries. 

 Triturus r. viridescens (Urodela) (in collaboration with L.S. STONE) 



c. Role of endocrines in regeneration of the retina and lens. Triturus r. 

 riridescens (Urodela) (in collaboration with L. S. STONE) 



d. Postembryonal development of the eye. Pelobates syriacus (Anura) 

 STEPHAN. Fr. DresSci. — Lab. de Zool. de la Fac. des Sci. et Lab. 



dEmbryol. et Teratol. exper. du C.N.R.S.. Inst, de Zool. et de Biol, 

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

 a. Formation du .systeme va.sculaire extraembryonnaire et son extension. 

 Developpement du coeur et des gros troncs arteriels de I'embryon. 

 Gallus gallus (Ares) 



