156 ANIMAL INDIVIDUALITY 



(14) NEWMAN AND PATTERSON. (Armadillo Quadruplets.) Biol. 



Bulletin xvii. 1909, p. 181. 



(15) PERKIER, E. " Les Colonies Animates." Paris. 1881. 



(16) ROFX, W. "Der Kampf der Theile im Organismus." 



Leipzig. 1881. 



(17) WEISMANN, A. "The Evolution Theory" (Translated). 



London. Arnold. 1904. 



(18) WHEELER, W. M. "The Ant-Colony as an Organism." 



Journ. Morphology, 1911, p. 307. 



(19) WHITMAN, C. 0. " The Inadequacy of the Cell-Theory." 



Biol. Lectures, Wood's Hole, vol. n. 1893, p. 105. 



(20) WOODRUFF, L. L. (Life-Cycle of Paramaecium.j Biol. 



Bulletin xvn. 1909, p. 287. 



