342 BIBLIOGRAPHY 



Ward, Lester F. Psychic Factors of Civilization. Boston, 1893. 



Pure Sociology. New York, 1903. 



Watkinson, W. L. Education oj the Heart. New York, 1904. 

 Weber, E. A. (Thilly). History of Philosophy. New York, 1897. 

 Weismann, A. Essays upon Heredity. 2 vols., Oxford, 1891, 1892. 



The Germ-plasm. London, 1893. 



Westermarck, E. The Origin and Development of the Moral Ideas. 2 vols., 



New York, 1908. 

 Whetham, W. C. and CD. Heredity and Society. London, 191 2. 

 Whittaker, T. Comte and Mill. London, 1908. 

 Wilson, E. B. The Cell in Development and Inheritance. New York, 1906. 



