124 SECTIONAL ADDRESSES. 
REFERENCES. 
(1) Wilson, E. B., The Physical Basis of Life (Yale Univ. Press, 1923). ; 
(2) Child, C. M., Individuality in Organisms (University of Chicago Science Series, 
1915). 
(3) Child, C. M., Senescence and Rejuvenescence (University of Chicago Press, 1915). 
(4) Huxley, J. 8., Nature, Feb. 23, 1924. 
(5) Shearer, Proc. Roy. Soc., London, B. vol. 96, 1923. 
(5a) Child and Bellamy, 2bid., p. 132. 
(6) Tashiro, American Journ. Physiology, 33, 1913. 
(7) Wilson, H. V., Journ. Exper. Zoology (5), 1907; Huxley, J.8., Phil. Trans., 1912. 
(8) Wood-Jones, Coral and Atolls, 1910. 
(9) Iwanoff, P. P. (‘ Regeneration and Ontogeny in Polychets’), Dissertation (in 
Russian), St. Petersburg, 1912; Zeit. wiss. Zool., 1908. 
(10) Allen, E. J., Phil. T'rans. Roy. Soc., London, 1921. 
(11) Child, Origin of the Nervous System (University of Chicago Press, 1921). 
(12) Wheeler, W. M., Social Life in Insects, 1923. 
(13) Eliot Howard, Territory in Bird Life, 1920. 
(14) Haldane, J. 8., Organism and Environment (Yale Univ. Press, Newhaven, 1917). 
