LITERATURE 66 1 



Sevag, M. G. et al., (1950) in The Enzymes, Eds. J. B. Summer and K. Myrbach, Vol. i. 



Academic Press, New York. 

 Shapiro, J., (1914) Arch. Entwicklungsmech. Organ., ^8, 210. 

 Sherry, S. et al., (1954) Proc. Soc. Exptl. Biol. Med., 8y, 125. 

 Simpson, M. E., (1953) Anat. Record, 11^, 615. 

 SiNGAL, S. A. et al., (1952) Federation Proc, 11, 287. 

 Singer, M., (1950) Anat. Record, 108, 518. 

 Singer, M., (1952) Qiiart. Rev. Biol., 2y, 169. 

 Singer, M., (1954) J. Exptl. ^ool., 126, 419. 

 Singer, M. and L. Craven, (1948) J. Exptl. ^ooL, 108, 279. 

 Singer, M. et al., (1954) J. Exptl. ^ool., 128, 185. 

 SiviCKis, P. B., (1933-4) See Brondsted, 1955. 

 Skowron, S. and H. Roguski, (1953) Bull. acad. polon. sci., i, 15. 

 Smelzer, G. K. and V. Ozanics, (1954) J. Cellular Comp. Physiol., 4.3, 107. 

 SoKOLOFF, B., (1924) Arch. Protistenk., ^7, 143. 



SoKOLOVA, V. A., (1942) Cornpt. rend. acad. sci. U. R. S. S., 36, 247. 

 SoNNEBORN, T. M., (1948) Growth, II, Suppl. 291 ; Am. Naturalist, 82, 26. 

 Sperry, R. W., (1951) Growth, 15, Suppl. 63. 

 Spiegelman, S. and F. Moog, (1944) Biol. Bull., 8y, 227. 

 Srinivasan, V. et al., (1955) Science, 122, 644. 

 Steinberg, M. S., (1954) J. Exptl. ^ooL, i2j, i. 

 Steinlin, M., (1900) See Korschelt, 1927, p. 678. 

 Steinmann, p., (1908) Arch. Entwicklungsmech. Organ., 25, 523. 

 Steinmann, p., (1932) Rev. Suisse zooL, jg, 397. 



Steinmann, P. and G. Wilhelmi, (1950) Arch. Entwicklungsmech. Organ., 144, 329. 

 Stephan-Dubois, F., (1952) Compt. rend. soc. biol., 146, 1127; 147, 890. 

 Stephenson, J., (1930) The Oligochaeta, Clarendon Press, Oxford. 

 Stock, A., (1937) Anz. Akad. Wiss. (Wien), No. 23. 

 Stock, A. and A. F. O'Farrell, (1954) Australian J. Biol. Sci., 7, 302. 

 Stolte, H. a., (1922) Z'^ol. Jahrb. Abt. Allgem. ^ool. Physiol. Tiere, jg, 149. 

 Stone, J. H. van, (1955) J. MorphoL, gy, 346. 

 Stone, L. S., (1931) Anat. Record, 48, Suppl. 64. 

 Stone, L. S., (1944) Tale Sci. Mag., 18, 8, 32. 



Stone, L. S. and H. Steinitz, (1953) Proc. Soc. Exptl. Biol. Med., 82, 763. 

 Stone, L. S. and H. Steinitz, (1954) J. Exptl. ^ool., 124, 469. 

 Stone, R. G., (1932) J. MorphoL, 53, 389. 

 Stone, R. G., (1933) J. MorphoL, 54, 303. 



Stowell, R. E. and C. S. Lee, (1950) A. M. A. Arch. Pathol., 50, 519. 

 Striganova, a., (1940) Compt. rend. acad. sci. U. R. S. S., 27, 385. 

 Striganova, a., (1949) Doklady Akad. Nauk S. S. S. R., 6g, 465. 

 Summers, F. M., (1941) Protozoa in Biological Research, Eds. G. N. Calkins and F. M. 



Summers, Columbia University Press, New York. 

 Suntzowa, W., (1944) Compt. rend. acad. sci. U. R. S. S., 45, 133. 

 SuPNiEWSKi, J., (1949) Bull, intern, acad. polon. sci., 1/6, 13-17. 

 SusTER, P. M., (1933) Z°c^- Jahrb. Abt. Physiol., 53, 41. 

 Sylven, B., (1941) Acta Chir. Scand. Suppl., 66, i. 

 Taffel, G. M., et al., (1951) Tale J. Biol, and Med., 23, 482. 

 Takata, K., (1952) Experientia, 8, 217. 

 Taleisnik, S., (1953) Rev. soc. arg. bioL, 2g, 300. 

 Taleisnik, S., (1954) Am. J. Physiol., iy8, 100. 

 Tardent, p., (1954) Arch. Entwicklungsmech. Organ., 146, 593. 

 Tardent, p., (1955) Rev. suisse zooL, 62, 289. 

 Tartar, V., (1941) Growth, 5, Suppl. 21. 



Tartar, V., (1954) J. Exptl. Z^oL, i2y, 51 1 ; J. Protozoal., i, 11. 

 Tazelaar, M. a., (1938) Proc. ^ooL Soc. (London), A, 108, 257. 

 Teir, H., (1952) Growth, 16, 85. 



