[4] Wilfred Trotter: The Instincts of the Herd in Peace and War. Other writers have emphasized gregariousness, but Trotter’s book is the most elaborate and important in recent literature. Aristotle declared that man was a social animal. See Politics, Book I, Chap. I. Cf. also McDougall: Social Psychology, p. 84.
[5] W. G. Sumner: Folkways, p. 15.
[6] Martin Conway: The Crowd in Peace and War, p. 76.
[7] Gilbert Murray: Herd Instinct and the War, p. 34.
[8] Ibid., p. 37.
[9] Conway: The Crowd, p. 79.
[10] Bertrand Russell: Why Men Fight, p. 51.
[11] We have been following here an article by Anne C. E. Allinson entitled “Virgil and the New Patriotism” in the Yale Review, October, 1917.
[12] Prof. Max F. Meyer, of the University of Missouri, in a letter in the New York Times of August 16, 1917.
[13] McDougall: Social Psychology, p. 208. Footnote.