[146] Psychology of Religion, chap. iii. Hall's figures are given in the second volume of his work, pp. 288-92.

[147] Varieties, p. 199.

[148] An elaborate list of these ceremonies in both the savage and civilised worlds has been compiled by Mr. Hall, ii. chap. xiii.

[149] Catlin, North American Indians, i. p. 36; see also ii. p. 347.

[150] W. I. Thomas, Sex and Society, pp. 115-6.

[151] For a good summary, see Donaldson's Growth of the Brain, pp. 241-48.

[152] See on this subject the two fine works by Karl Groos, The Play of Animals, The Play of Man.

[153] W. Temple, Repton School Sermons.

[154] Sanity and Insanity, p. 281.

[155] Adolescence, ii. pp. 286-7.