Footnotes:

[1] JOHN RUSKIN, _Unto this Last_--Essay II.

[2] WILLIAM B. YEATS, _Poetic Works_, Vol. II, p. 407. Macmillan Co., N. Y.

[3] FREDERICK NIETZSCHE, _Thus Spoke Zarathustra_, pp. 5-296. Macmillan Co., N. Y.

[4] CARL SNYDER, _The World Machine_. New York, Longmans, Green & Co., 1907.

[5] PRESTONIA MANN MARTIN, _Is Mankind Advancing?_ New York, Baker & Taylor Co., 1911.

[6] G. BERNARD SHAW, _Man and Super Man_, p. 218-219. N. Y., Brentano's.

[7] HERBERT SPENCER, _The Data of Ethics_. Para. 97. N. Y., D. Appleton & Co., 1893.

[8] SAML. Z. BATTEN, _The Redemption of the Unfit_, American Journal of Sociology, Vol. 14, p. 242 (1909).

[9] FRANCIS GALTON, _Memoirs of My Life_, p. 311. N. Y., E. P. Dutton, 1909.

[10] ARNOLD WHITE, _Efficiency and Empire_, p. 97. London, Methuen & Co., 1901.

[11] W. C. & C. D. WHETHAM, _The Family and the Nations_, p. 85. N. Y., Longmans, 1909.

[12] GUSTAVE MICHAUD, _Shall We Improve Our Race_, The Popular Science Monthly, Vol. 72, p. 77 (1908).

[13] J. A. THOMPSON, _Heredity_, p. 331. N. Y., G. P. Putnam's Sons, 1908.

[14] GUSTAVE MICHAUD, _Shall We Improve Our Race?_ Popular Science Monthly, Vol. 72, p. 77 (1908).

[15] J. ARTHUR THOMPSON, _Heredity_, p. 308. N. Y., G. P. Putnam's Sons, 1908.

[16] LESTER F. WARD, _Applied Sociology_, pp. 224-282. Boston, Ginn & Co., 1906.

[17] For a more complete statement of the problem, see _Social Adjustment_, SCOTT NEARING, New York: Macmillan Company, 1911.

[18] ROBERT LOUIS STEVENSON, _Virginibus Puerisque_.

[19] WM. Z. RIPLEY, _Races of Europe_. N. Y., D. Appleton & Co., 1899.

[20] C. E. WOODRUFF, _The Expansion of Races_. N. Y., Rebman, 1909.

[21] D. S. JORDAN, _The Human Harvest_, p. 54. Boston, American Unitarian a.s.sociation, 1907.

[22] _Ibid_, p. 48.

[23] ELLEN KEY, _Love and Marriage_, p. 53. N. Y., Putnam, 1911.