The Play of Man

by Karl Groos

[320] Op. cit., p. 418.

[321] La psychologie des sentiments, p. 322.

[322] Die Reize des Spiels, Berlin, 1883, p. 61.

[323] James says that the stimuli of scientific curiosity “are not objects, but ways of conceiving objects.” Principles of Psychology, vol. ii, p. 430.

[324] Fr. Nansen, In Nacht und Eis, Leipsic, 1897, vol. i, p. 151.

[325] H. Spencer, The Principles of Sociology, vol. i, p. 86.

[326] Unter den Naturvölkern Centralbrasiliens, pp. 59, 67, 79.

[327] Ibid.

[328] Ibid.

[329] Im Australischen Busch, etc., p. 526.