Stephens 102 Sw 



STEPHENSON, N. G. Development of Leiopelma archeyi and Asca- 

 phus truei. II- 2a. J. 



STEVENS, L. C. Developmental potencies of the neural crest in 

 Anurae. Xenopus laevis. Ilia. 7. J. 



STICH, H. Plasmatische Verhaltnisse — Ectosomenphanomen. Cy- 

 clops (Entomosttaka). 111b. 2c. D. 



Karyologische Untersuchungen — Karyomerentropismus. Cyclops 



(Entomosttaka). Hlb. 19. D. 



STIEVE, H. (data not yet received). 



STOIGER, H. Nahreidetermination bei stenoglossen Prosobtanchicr- 

 Arten. Hie. lb. E. 



Cytologic und Cytogenetik der Prosobtanchiet. IIIc. 2. E. 



STOLL, R. Teratologic Rana fusca et Gallus. Hid. 2. J. and L. 



STONE, L. S. Complete analysis of the ocular mechanisms in Am- 



blystoma studying the regeneration of the lens and regulation of 



the nervous mechanisms after ocular transposition. IV. 5. J. 



STRAUSS, F. Early development and implantation of mammals. Ho- 



minidae (Insectivota) . II. 3. M. 



- Place of fertilization of the mammalian egg. Rodentia and Catni- 

 vora. IHb. 4. M. 

 (under direction of H. W. MOSSMANN) 



STRAUSS Jr, W. L. Developmental origin of the abdominal muscula- 

 ture by means of carbon reference marks. Chick. Ilia. 12. L. 

 (in collaboration with Miss M. E. RAWLES) 



STRAWlNSKI, S. Development of the blood vessels in the frog. Rana 



esculenta (Salientia) . I. 15. J. 



STRUDEL, G. Etude de la polyembryonie chez les Poissons. Ttuite. 



Ilia. Id. 



Correlations nerveuses chez l'embryon de poulet, Gallus domesticus. 



Ilia. 9. L. 



Role des hormones dans la differentiation du sexe par les methodes 



d'injections d'hormones, des greffes coelomiques, des castrations 

 embryonnaires, des explantations. Poulet. Illb. 17. f. L. 



(en collaboration avec Et. WOLFF, Madame Em. WOLFF 



et Mile Y. OSTERTAG) 



STULTZ, W. A. Inter-relationships between the development of limbs 

 and the central and peripheral nervous systems. Ambly stoma punc- 

 tatum. Ilia. 2b. J. 



Symmetry relations in developing limbs. Amblystoma punctatum. 



STUMP, W. (data not yet received). 



SUOMALAINEN, H. Thyroid gland in delayed metamorphosis of 



Xenopus larvae. V. 2. J. 



(in collaboration with S. TOIVONEN) 

 SVETLOV, P. (data not yet received). 



SWEDMARK, B. G. Sulphate metabolism in sea urchin development. 



IHb. 2c. b. G. 

 SWIERZAWSKA, K. Physico-chemical properties of embryos: the 



yolk. Salmo (Pisces), Lacetta (Reptilia) and Gallus (Aves). 



IHb. 2c. c. V. 



(in collaboration with Z. GRODZINSKI and H. DATKOWNA) 



