LITERATURE 663 



Watanabe, Y., (1941) Physiol. ^ooL, 14, 316. 



Weimer, B. R. et al., (1938) Physiol, ^ool., 11, 158. 



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



Weiss, P., (1950) J. Exptl. ZooL, 113, 397- 



Weiss, P., (1952) Science, 115, 487. 



Weiss, P., (1955) in Biological Specificity and Growth, Ed. G. Butler, University Press, 

 Princeton. 



Weisz, p. B., (1948) J. Exptl. Z^oL, log, 427. 



Weisz, p. B., (1949) J. Morphol., 84, 335. 



Weisz, P. B., (1954) Quart. Rev. Biol., sg, 207. 



Welsh, J. H., (1946) Anat. Record, g4, 421. 



Whipple, A. O., (1940) Ann. Surg., 112, 481. 



Wigglesworth, V. B., (1950) The Principles of Insect Physiology, 4th ed., Methuen, London. 



WiGGLESWORTH, V. B., (1954) The Physiology of Insect Metamorphosis, University Press, Cam- 

 bridge. 



Williamson, M. B. and H.J. Fromm, (1952) Proc. Soc. Exptl. Biol. Med., 80, 623. 



Williamson, M. B. and H.J. Fromm, (1954) Federation Proc, 13, 322. 



Williamson, M. B. and H.J. Fromm, (1955) J. Biol. Chern., 212, 705. 



Williamson, M. B. and G. L. Neumann, (1954) Federation Proc, 13, 322. 



Williamson, M. B. et al., (1951) Proc. Soc. Exptl. Biol. Med., jy, 302. 



WiLLiER, B. H., P. Weiss and V. Hamburger, (1955) Analysis of Development, W. B. Saun- 

 ders Co., Philadelphia and London. 



WiLLMER, E. N., (1942a) J. Exptl. Biol., 18, 237. 



WiLLMER, E. N., (1942b) J. Exptl. Biol., ig, 11. 



WiLLMER, E. N., (1953) Tissue Culture, 2nd ed., Methuen, London. 



WisLOCKi, G. B. AND M. Singer, (1946) J. Comp. Neurol., 85, i. 



Wolff, E. and F. Dubois, (1947) Compt. rend., 224, 1387; Compt. rend. soc. biol., 141, 903, 906. 



Wolff, E. and F. Dubois, (1948a) Rev. Suisse zool., 55, 218; Experientia, 4, 273. 



Wolff, E. and F. Dubois, (1948b) Compt. rend, soc biol., 142, 533. 



Wolff, E. and M. Wey Schue, (1953) Arch. zool. exptl. et gen., gi. Notes et Rev., 5-16. 



Wolff, G., (1895) Arch. Entwickliingsmech. Organ., i, 380. 



WoLSKY, A. A., (1935) Nature, 135, 102. 



WoLSKY, S. (A.), (1941) Allah Kozlen, 38, 16. 



Wright, M. R., (1947) J- Exptl. Zool., 105, 221. 



Wyburn-Mason, R., (1950) Trophic Nerves, Henry Kimpton, London. 



Yacovleva, T. M., (1943) see Jacovleva, T. M. 



Yao, T., (1950) Qjiart. J. Microscop. Sci., gi, 79. 



Yarbro, C. L. and C. E. Anderson, (1954) Federation Proc, 13, 326. 



Yntema, C. L., (1949) Anat. Record, 103, 524. 



Young, J. Z., (1942) Physiol. Revs., 22, 318. 



Young, J. Z., (1945) in Essays on Growth and Form, Eds. W. E. Le Gros Clark and P. B. 

 Medawar, Oxford, Clarendon Press. 



Zacchei, a. M., (1954) Ricerca sci., 24, 1489 



Zdriukovskaja, a. L, (1942) Compt. rend, acad sci. U. R. S. S., 35, 79. 



Zeleny, C, (1905) J. Exptl. Zool., 2, I. 



Zeleny, C, (1907) Arch. Entwickliingsmech. Organ., 23, 324. 



Zeleny, C, (1908) Papers Tortugas Lab., 2, 105. 



Zhinkin, L., (1936) J. Exptl. Zool., 73, 43. 



Zielinska, J., (19 1 3) Arch. Entwickhmgsmech. Organ., 38, 30. 



Zoger, S., (1952) Tale J. Biol, and Med., 75, 202. 



ZwiLLiNG, E., (1942) J. Exptl. Zool.,gi, 453. 



