[140] Ibid., pp. 154, 155.

[141] Ibid., p. 171.

[142] Letter to J. S. Mill, in Data of Ethics, p. 57.

[143] Letter to J. S. Mill, in Bain's Mental and Moral Science, p. 721.

[144] J. T. Punnet, "Ethical Alternatives"—Mind, x. 95.

[145] Science of Ethics, p. 363.

[146] Natural Law: An Essay in Ethics (1877), p. 101.

[147] Utilitarianism, p. 34.

[148] Utilitarianism, p. 26.

[149] Ibid., p. 27 n.