SEXUAL SELECTION, ASSORTATIVE MATING, ETC. 237 



Smith, M. R. Statistics of College and Non-college Women. Pubs. Am. Stat. 



Ass. 7, 1-26, IQOO. 



Snow, E. C. Selection and Assortative Mating. Brit. Med. Jour. 1912, i, 836. 

 Stanley, H. M. Our Civilization and the Marriage Problem. Arena, 2, 94-100, 



1800; Artificial Selection and the Marriage Problem. The Monist, 2, 51-55, 



1891-92. 



Steinmetz, S. R. Feminismus und Rasse. Zeit. f. Socialwiss., 1904. 

 Strahan, S. A. K. Marriage and Disease. Appleton and Co., N. Y. 1892. 

 Swift, M. I. Marriage and Race Death. The M. I. Swift Press, N. Y. 1906. 

 Thwing, C. F. What Becomes of College Women. North Am. Rev. 161, 546-553, 



1895. 

 Wallace, A. R. Human Selection. Fortnightly, London. 48, n. s. (or 54 old s.) 



325-337, 1890; Social Environment and Moral Progress. Cassell and Co., 



London, 1913. 

 Westermarck, E. A. The History of Human Marriage. Macmilan Co., 2nd ed., 



London, 1894. 

 Wright, J. F. Marriage Relationship in the Tribe of Ishmael. Proc. Nat. Conf. 



Char, and Corr. 1890, 435-437, 1890. 



