Books and Articles Cited 103 



DUCKWORTH, W. H. L. Morphology and Anthropology. Cambridge, 1904. 



. Studies in Anthropology. Cambridge, 1904. 



EWAKT, J. C. The Development of the Skeleton and Limbs of the Horse. 

 Journ. Comp. Path, and Theur., Vol. VII, 1894; the same, Journ. 



Anat. and Physio., Vol. XXVIII, 1893-4. 

 FISKE, J. Outlines of Cosmic Philosophy. 2 vols. Boston, 1875. 



. Excursions of an Evolutionist. Boston, 1893. 



. Century of Science. Boston, 1899. 



GOLDENWEISER, A. A. The Principle of Limited Possibilities in the Develop- 

 ment of Culture. Journ. of Amer. Folklore, Vol. 26, July-Sept., 



1913, 259-290. 

 GRIGGS. Kelps and the Recapitulation Theory. American Naturalist, VoL 



43, 1909. 

 GROOS, K. The Play of Animals. Trans. New York, 1898. 



. The Play of Man. Trans. New York, 1900. 



HAECKEL, E. Generelle Morphologic der Organismen. 2 vols. Berlin, 1866. 



. Evolution of Man. 2 vols., 5th ed. Trans. New York, 1910. 



HALL, G. S. Adolescence. 2 vols. New York, 1904. 



HENDERSON, E. N. Text-Book in the Principles of Education. New York, 



1910. 



HENDERSON, L. J. Fitness of the Environment. New York, 1913. 

 HOBHOCSE, L. T. Mind in Evolution. New York, 1901. 

 HOLMES, S. J. The Evolution of Animal Intelligence. New York, 1911. 

 HUEY, E. B. The Psychology and Pedagogy of Reading. New York, 1910. 

 HURST, C. H. The Recapitulation Theory. Natural Science, Vol. 2, 1893. 

 HUXLEY, T. H. Scientific Memoirs. New York, 1902-1908. 



. Evolution and Ethics. New York, 1894. 



HYATT, A. Genesis of the Arietidae. Smithsonian Contributions to Knowl- 

 edge. Washington, 1890. 

 . The Phylogeny of an Acquired Characteristic. Proceedings, 



Amer. Phil. Soc., 1893. 



JENKINSON, J. W. Experimental Embryology. Oxford, 1909. 

 KELLICOTT, W. E. Text-Book of General Embryology. New York, 1913. 

 KING, I. Psychology of Child Development. Chicago, 1904. 

 KROPOTKIN, P. Mutual Aid as a Factor in Evolution. London, 1903. 

 LANKESTER, E. R. The Significance of the Increased Size of the Cerebrum 



in Recent as Compared with Extinct Mammalia. Nature, Vol. 



LXI, 1900, 624, 625. 



. The Kingdom of Man. New York, 1907. 



MACBRIDE, E. W. Sedgwick's Theory of the Embryonic Phase of Ontogeny 



as an Aid to Phylogenetic Theory. Quart. Journ. Micros. Science, 



Vol. 37, 1894-95, 325-342. 



McDouGALL, W. Introduction to Social Psychology. London, 1908. 

 MARSH, O. C. Small Size of the Brain in Tertiary Mammals- Amer. Journ. 



of Science, Vol. VIII, 1874; abstract in Nature, Vol. 32, p. 562. 

 MARSHALL, A. M. Biological Lectures and Addresses. London and New 



York, 1894. 

 . Lectures on the Darwinian Theory. New York, 1894. 



