LITERATURE 493 



TscHUMi, P. A., (1956) Rev. suisse zooL, 6j, 707. 



Tung, T. C, (1955) Acta Soc. Biol. Exptl. Sinica, 4, 107, 146, 365. 



Tung, T. C, C. Y. Chang and Y. F. Tung, (1945) Proc. ZooL Soc. (London), 115, 175. 



TwiTTY, V. C, (1944) J. Exptl. ZooL, 95, 259. 



TwiTTY, V. C, (1945) J. Exptl. ZooL, 100, 144. 



TwiTTY, V. C. and D. Bodenstein, (1941) J. Exptl. ZooL, 86, 343. 



TwiTTY, V. C AND D. Bodenstein, (1944) J. Exptl. ZooL, 95, 214. 



Vahs, W., (1955) Z- Naturforsch., 106, 412. 



Vahs, W., (1956) Biol. Z^ntr., j^, 360. 



Yahs, W., (1957a) Arch. Entwicklungsmech. Organ., i^g, 339. 



Vahs, W., (1957b) Embryologia, 3, 201. 



Vainio, T., (1958) Exptl. Cell Research, 15, 184. 



Vainio, T., S. Toivonen and L. Saxen, (1958) Ann. Med. Exptl. et Biol. Fenniae ( Helsinki) , 



36, 285. 

 Vakaet, L., (1955) Arch. biol. (Liege), 66, i. 

 Vandebroek, G., (1938) Natimrw. Tijdschr. (Ghent), 20, 234. 

 Van de Kamer, J. C, (1949) Thesis, Utrecht. 

 Vandekerckhove, D., (1957) Nature, (in the press). 

 Van der Stricht, O., (1923) Arch. biol. (Liege), 33, 229. 



Van Doorenmalen, W. J., (1957) ye Journ. cyto-embryol . holl.-belges, (unpubUshed). 

 \'an Geertruyden, J., (1946) Arch. biol. (Liege) , ^y, 145. 

 Vercauteren, R., (1958) Arch. biol. (Liege), 6g, 620. 



ViNTEMBERGER, P. AND J. CIavert, (1958a) Cotnpt. Tend. soc. biol., 152, 146. 

 ViNTEMBERGER, P. AND J. Clavert, (1958b) Compt. rend., 24y, 512. 

 Vogt, W., (1929) Arch. Entwicklungsmech. Organ., 120, 384. 

 Von Wartenberg, H., (1956) Acta Histochem., 3, 25. 

 Von Woellwarth, C, (1952) Arch. Entwicklungsmech. Organ., 145, 582. 

 Von Woellwarth, C., (1956) Arch. Entwicklungsmech. Organ., 148, 504. 

 Voss, H. AND H. Von Wartenberg, (1955) Wiss. Z- Friedrich-Schiller-Univ. Jena, Math.- 



Naturwiss. Reihe, 4, 413. 

 Waddington, C. H., (1933a) Arch. Entwicklungsmech. Organ., 128, 502. 

 Waddington, C. H., (1933b) J. Exptl. Biol., 10, 38. 

 Waddington, C. H., (1952a) J. Exptl. Biol., 29, 489. 



Waddington, C. H., (1952b) The Epigenesis of Birds, University Press, Cambridge. 

 Waddington, C. H., (1954) J. Embryol. Exptl. MorphoL, 2, 340. 

 Waddington, C. H., (1956) Principles of Embryology, G. Allen and Unwin, London. 

 Waddington, C. H. and E. M. Deuchar, (1952) J. Exptl. Biol., 29, 496. 

 Waddington, C. H. and E. M. Deuchar, (1954) J. Embryol. Exptl. MorphoL, i, 349. 

 Waddington, C. H. and B. Goodhart, (1949) Quart. J. Microscop. Sci., 90, 209. 

 Waddington, C. H. and L. Mulherkar, (1957) Proc. ZooL Soc. (London), (Mookerjee 



Aiemorial Volume), 141. 

 Waddington, C. H. and M. M. Perry, (1956) J. Embryol. Exptl. MorphoL, 4, iio. 

 Waddington, C. H. and J. L. Sirlin, (1955) Proc. Roy. Soc. (Edinburgh), B, 24, 28. 

 Waddington, C. H. and T. Yao, (1950) J. Exptl. Biol., 2y, 126. 

 Waechter, H., (1953) Arch. Entwicklungsmech. Organ., 146, 202. 

 Walder, p., (1950) Acta ZooL (Stockholm), 31, 187. 

 Watterson, R., (1952) Biol. Bull., 103, 310. 

 Weber, R., (1956) Rev. suisse zooL, 63, 277. 

 Weber, R., (1958) Arch. Entwicklungsmech. Organ., 150, 495. 

 Weiss, P., (1939) Principles of Development, Holt, New York. 

 Weiss, P., (1949a) Exptl. Cell Research, Suppl. i, 475. 

 Weiss, P., (1949b) Differential Growth in: A. K. Parpart, The Chemistry and Physiology of 



Growth, Princeton University Press. 

 Weiss, P., (1952) Arch, neerl. zooL, 10, Suppl. i, 165. 

 Weiss, P., (1953) J. Embryol. Exptl. MorphoL, i, 181. 

 Weiss, P. and R. James, (1955) Exptl. Cell Research, Suppl. 3, 381. 



