[XVI-15] J. S. Mackensie, _Outlines of Social Philosophy_, Macmillan, 1918, p. 14. [XVI-16] Ibid., p. 65. [XVI-17] Ibid., p. 243 ff. CHAPTER XVII [XVII-1] Lester F. Ward, _Dynamic Sociology_, Appleton, 1911, Vol. I, pp. XXV ff. [XVII-2] Ibid., p. 22. [XVII-3] Ibid., pp. 22, 23. [XVII-4] Ibid., pp. 56, 57. [XVII-5] Ibid., p. 60; Ward, _Pure Sociology_, Macmillan, 1914, p. 4. [XVII-6] Lester F. Ward, _Applied Sociology_, Ginn, 1906, pp. 5 ff. [XVII-7] _Dynamic Sociology_, Vol. I, p. 72. [XVII-8] Ibid., p. 143. [XVII-9] Ibid., p. 320. [XVII-10] Ibid., pp. 408, 409. [XVII-11] Ibid., p. 464. [XVII-12] Ibid., p. 452. [XVII-13] Ibid., p. 467. [XVII-14] Ibid., p. 474. [XVII-15] Ibid., p. 486. [XVII-16] Ibid., p. 497. [XVII-17] Ibid., p. 516. [XVII-18] Ibid., pp. 518 ff. [XVII-19] Ibid., p. 520. [XVII-20] Ibid., Vol. II, p. 341. [XVII-21] Ibid., Vol. I, p. 520. [XVII-22] Ibid., p. 522. [XVII-23] Ibid., p. 541. [XVII-24] Ibid., p. 583. [XVII-25] Ibid., p. 579. [XVII-26] Ibid., p. 594. [XVII-27] Ibid., pp. 606 ff. [XVII-28] Ibid., p. 615. [XVII-29] _Pure Sociology_, p. 403. [XVII-30] _Dynamic Sociology_, Vol. I, p. 641. [XVII-31] _Pure Sociology_, Ch. XV. [XVII-32] Ibid., p. 420. [XVII-33] Lester F. Ward, _Psychic Factors of Civilisation_, Ginn, 1906, Ch. XXXIV. [XVII-34] _Dynamic Sociology_, Vol. I, pp. 669, 670. [XVII-35] Ibid., pp. 473, 474. [XVII-36] _Pure Sociology_, p. 438. [XVII-37] Ibid., pp. 457 ff. [XVII-38] Ibid., p. 469. [XVII-39] Ibid., pp. 231 ff. [XVII-40] Ibid., p. 237. [XVII-41] Ibid., pp. 79 ff. [XVII-42] Lester F. Ward, “Eugenics, Euthenics, and Eudemics,” _Amer. Jour. of Sociology_, 18; 737–54. CHAPTER XVIII [XVIII-1] H. F. Osborn, _Men of the Old Stone Age_, Scribner, 1918, Ch. I. [XVIII-2] W. G. Sumner, _Folkways_, Ginn, 1907, p. 43. [XVIII-3] Ibid., p. 13. [XVIII-4] Ibid., p. 266. [XVIII-5] Ibid., pp. 343, 362. [XVIII-6] Ibid., p. 378. [XVIII-7] W. I. Thomas, _Sex and Society_, p. 51. [XVIII-8] Ibid., p. 182. [XVIII-9] Ibid., p. 41. [XVIII-10] Ibid., p. 40. [XVIII-11] Ibid., p. 41. [XVIII-12] Ibid., p. 54. [XVIII-13] Ibid., p. 61. [XVIII-14] Ibid., p. 65. [XVIII-15] Ibid., Ch. II. [XVIII-16] Ibid., p. 76. [XVIII-17] Ibid., p. 201. [XVIII-18] Ibid., p. 418; cf. W. I. Thomas, _Sex and Society_, University of Chicago Press, 1907, pp. 201–220. [XVIII-19] Ibid., p. 629. [XVIII-20] A. G. Kellor, _Societal Evolution_, Macmillan, 1915. [XVIII-21] Edward Westermarck, _The Origin and Development of the Moral Ideas_, Macmillan, 1906, I:159. [XVIII-22] Ibid. [XVIII-23] Ibid., p. 160. [XVIII-24] Ibid., Vol. II. p. 740. [XVIII-25] Ibid., II:745. [XVIII-26] L. T. Hobhouse, _Morals in Evolution_, Holt, 1919, p. 1. [XVIII-27] Ibid., p. 2. [XVIII-28] Ibid. [XVIII-29] Ibid., p. 43; cf. Hobhouse, _Social Evolution and Political Theory_, Lemcke, 1911, pp. 128 ff. [XVIII-30] Ibid., p. 60. [XVIII-31] Ibid., p. 64. [XVIII-32] _Social Evolution and Political Theory_, p. 148.