[194] Cause or effect, which? Mexico is not a country poor in animal life.

[195] "The Origin of Civilization," pp. 372, 373.

[196] See "The Origin of Civilization," p. 396.

[197] Ibid. p. 398.

[198] Ibid. p. 371.

[199] "Social Life in Greece," 3d ed. p. 272.

[200] "The Science of Ethics," p. 237.

[201] "Social Life in Greece," p. 243 et seq.

[202] "Lectures on Primitive Civilization," p. 219 et seq.

[203] Mahaffy: "Three Epochs in the Social Development of the Ancient Greeks," pp. 31, 32.