LITERATURE CITED 155 



LITERATURE CITED 



(1) BERGSON, H. "Creative Evolution" (Translated). London. 



Macmillan. 1911. 



(2) CALKINS, G. N. " The Protozoan Life Cycle." Biol. Bulletin 



XL 1906, p. 229. 



(3) DARWIN, C. " Journal of Researches." London. J. Murray. 



1888. 



(4) "The Variation of Animals and Plants under 

 Domestication." London. J. Murray. 1875. 



(5) DOBELL, C. C. " The Principles of Protistology." Archiv f. 



Protistenkunde xxin. 1911, p. 269. 



(6) DOGIEL, V. (Catenata.) Zeitschr. f. Wiss. Zool. LXXXIX. 



1908, p. 417 and xciv. 1910, p. 400. 



(7) ENRIQUES, P. (Conjugation, &c., in Infusoria.) Arch. f. 



Protistenkunde xn. 1908, p. 213. 



(8) HUXLEY, T. H. "Collected Scientific Memoirs." London. 



Macmillan. 



(a) " Upon Animal Individuality." Vol. I. p. 146. 



(b) " On the Agamic Reproduction and Morphology of 



Aphis." Vol. II. p. 26. 



(9) HUXLEY, J. S. (Regeneration in Sycon.) Phil. Trans. Roy. 



Soc. (B), vol. ecu. 1911, p. 165. 



(10) KEEBLE, F. " Plant-Animals." Camb. Univ. Press. 1911. 



(11) LEDANTEC, F. " Theorie nouvelle de la vie." Paris. F. Alcan. 



1908. 



(12) MAITLAND. Collected Papers. Vol. 3, pp. 285 and 302. 



Camb. Univ. Press. 1911. 



(13) MORGAN, T. H. " Regeneration." New York. Macmillan. 



1901. 



