Stev 85 Struch 



STEVENS, L. C. Grad. stud. — Dept of Biol., Coll. of Arts and Sci., Univ. 



of Rochester, ROCHESTER 3, N.Y., U.S.A. 

 a. Developmental potencies of the neural crest in Anurae. Xenopus laevis. 



Ran a pipiens 

 STEYN. W. J. M.Sc. — Hubrecht Lab., Internat. Embryol. Inst., 2, Jans- 



kerkhof, UTRECHT, Holland. 



a. Development of the gonadal system of Xenopus laevis, Daudin and 

 Discoglossus pictus. (Amphibia) 



b. Vital staining experiments on the early development of Xenopus laevis, 

 Daudin and Discoglossus pictus. (Amphibia) 



c. Investigations on the origin and destination of the germ cells, and the 

 derivation and development of the gonads by means of xenoplastic trans- 

 plantations between Xenopus laevis, Daudin and Discoglossus pictus. 

 (Amphibia) 



d. Development of nephroic and gonadal system of Xenopus laevis. (Am- 

 phibia) (Normal Table) 



STICH, H. Dr — Max Planck Institut, WILHELMSHAVEN, Deutsch- 



land. 



(no data received over this year) 

 STIEVE, H. Dr. Prof. — Anat. Lab., Luisenstr. 56, BERLIN N.W. 7, 



Deutschland. 



(no data received) 

 STOCH, Miss Z. B.Sc. Hons — Dept of Zool., Univ. of the Witwatersrand, 



Milner Park, JOHANNESBURG, South Africa, 

 a. Spermatogenesis in Elephantulus myurus jamesoni. (Mammalia) 

 STOCKARD, A. H. Ph.D. — Dept of Zool., Univ. of Michigan, ANN 



ARBOR, Mich., U.S.A. 

 a. The early development of Amia calva. (Pisces) 

 STOLL, R. C. Dr en Med., Dr es Sc. — Inst. d'Embryol. et de Morphol. 



exper., Fac. de Med., 1, Place de l'Hopital, STRASBOURG, (Bas- 



Rhin), France. 



a. Teratology. Rana fusca (Amphibia) and Gallus (Aves) 



b. Development of the mullerian duct. Chick (Aves) 



STONE, L. S. Ph.D., Prof. — Osborn Zool. Lab. and Anat. Lab., Yale 

 Univ. School of Med., NEW HAVEN 11, Conn., U.S.A. 

 a. Complete analysis of the ocular mechanisms in Amblystoma and Triturus 

 studying the regeneration of the lens and retina and regulation of the 

 nervous mechanism after ocular transposition. (Amphibia) 



STRAUSS, F. Dr Med. — Anat. Inst., Biihlstr. 26, BERN, Schweiz. 



a. Early development and implantation of mammals. Hominidae (Insecti- 

 vora) 



b. Place of fertilization of the mammalian egg. (Rodentia and Carnivora) 

 (in collaboration with H. W. MOSSMANN, Dept of Anat., Univ. of 

 Wisconsin, MADISON, Wis., U.S.A.) 



STRAWlNSKI, S. — Zaklad Anat. Porownawczej i Embriol. Uniw. M. 

 Kopernika, Sienkiewicza 30, TORUN, Poland, 

 a. Development of the blood vessels in the frog. Rana esculenta (Salientia) 

 STRUCHLY, Z. Dr — Inst. Zool. Uniw. we Wroclawiu, Zaktad Zool. 

 Ogolnej, ul. Sienkiewicza 21, WROCLAW, Polska (Poland), 

 a. Influence of the blockade of the reticuloendothelial system on the meta- 

 morphosis of Amphibians. 



