492 PRINCIPLES OF EMBRYOLOGY 



TSCHUMi, P., 1953. Rsz, 60, 496. Ontogenetisclie Realisationsstufen der Extremitaten bei 

 Xenopus und die Interpretation phylogenetischer Strahlenreduktionen bei Wirbel- 

 tieren. 



TtTFT, p., 1953. Arch. Need. ZooL, SuppL, p. 59. Energy changes in development. 



TUNG, T. C, CHANG, C. Y. AND TUNG, Y. F. Y., I945. ■P''<'f- ^Ool. SoC. Lotld., II5, I75. 



Experiments on the developmental potencies of blastomeres and fragments of 



teleostan eggs separated latitudinally. 

 TUNG, T. c. AND TUNG, Y. F. Y., 1944. Proc. Zool. Soc. Lotid., 114, 46. The development of 



egg-fragments, isolated blastomeres and fused eggs in the Goldfish. 

 TURING, A. M., 1952. PTRSL.B, 237, 37- The chemical basis of morphogenesis. 

 TWITTY, v. c, 1934. CSHS, 2, 148. Growth correlations in amphibia studied by the method 



of transplantation. 

 1949. Growth, 13, SuppL, 133. Developmental analysis of amphibian pigmentation. 

 AND Niu, M. c, 1954. J EZ, 125, 541. The motivation of cell migration, studied by isola- 

 tion of embryonic pigment cells singly or in small groups in vitro. 

 AND WAGTENDONCK, w. J., 1940. Growth, 4, 349. Suggested mechanisms for the 



regulation of proportionate growth supported by quantatitive data of blood 



nutrients. 

 TYLER, A., 1930. JEZ, 57, 347. Experimental production of double embryos in anneUds 



and molluscs. 



1941. BR, 16, 291. Artificial Parthenogenesis. 



1942. Q. Rev. Biol., 17, 157 and 339. Developmental processes and energetics. 



1947. Growth, 10, SuppL, 7. An auto-antibody concept of cell structure, growth and 

 differentiation. 



1948. Physiol. Reu., 28, 180. Fertilisation and immunity. 



1949. Amer. Nat., 73, 185. Properties of fertilisin and related substances of eggs and 

 sperm of marine animals. 



V. UBISCH, L., 1938. RA, 138, 18. Ueber Keimverschmelzungen an Ascidiella aspersa. 

 VAKAET, L., 1953. C.R. Soc. Biol., 147, 531. Sur la symetrie de I'oocyte et la sym^trie 



defmitive chez Lebistes reticulatus. 

 VANDEBROEK, G., 1936. AB, 47, 499. Les mouvements morphogenetique de la gastrulation 



chez Scyllium canicula. 

 viLLEE, c. A., AND viLLEE, D. T., 1952. J. Cell, coitip. Physiol, 40, 57. Studies on phosphorus 



metabolism in sea-urchin embryos. 

 VINTEMBERGER, P., 1936. C.R. Soc. Biol., 122, 927. Sur le developpement compare des 



micromeres de I'oeuf de Rana fusca divise en huit: (a) apres isolement, [b) apres 



transplantation sur un socle de cellules vitellines. 

 VOGT., w., 1929. RA, 120, 385. Gestaltungsanalyse am Amphibienkeim mit ortlicher 



Vitalfarbung. 

 193 1, Anat. Anz., 71, SuppL, 141. Ueber regeneratives und regulatives Wachstum. 

 VOGT, M., 1946a. Biol. Zhl., 65, 223. Zur labile Determination der Imaginalscheiben von 



Drosophila. L Verhalten vershiedenartiger Imaginalanlagen bei operativer Defekt- 



setzung. 

 1946^. Zeits. Naturforsch., I, 469. Zur labilen Determination der Imaginalscheiben von 



Dros. IV. 

 WADDiNGTON, c. H., 1932. PTRSL,B, 221, 179. Experiments on the development of chick 



and duck embryos cultivated in vitro. 

 I933(j. RA, 128, 502. Induction by endoderm in birds. 



