Social Environment and Moral Progress. Alfred Russel Wallace

edited by P. L. Parker, pp. 19-31. (Williams and Norgate; November, 1912.)

2

See my Australia and New Zealand, Chap. V., "The Australian Aborigines," where this view was first set forth. (Stanford, 1893.) For cases of morality among savages see my Natural Selection and Tropical Nature, pp. 199-201.