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.

[XVIII-33] _Morals in Evolution_, pp. 130, 71.

[XVIII-34] William Wundt, _Elements of Folk Psychology_, trans. by Schaub, Macmillan, 1916, p. 1.

[XVIII-35] Ibid., p. 478.

[XVIII-36] Ibid., p. 514.

[XVIII-37] Ibid., p. 515.

[XVIII-38] Ibid., p. 516.

[XVIII-39] Franz Boas, _The Mind of Primitive Man_, Macmillan, 1911, p. 102.

[XVIII-40] Hobhouse, _Social Evolution and Political Theory_, p. 39.

[XVIII-41] W. I. Thomas, _Source Book for Social Origins_, University of Chicago Press, 1909, p. 18.

[XVIII-42] Ibid., p. 20.

[XVIII-43] Ibid., p. 14.

[XVIII-44] Thomas, _Sex and Society_, p. 51.

[XVIII-45] Thomas and Znaniecki, _The Polish Peasant in Europe and America_, University of Chicago Press, 1918, I:22.

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