[30] See Henle. Poetische Personification.

[31] Contributions to the Ethnology and Philology of the Indian Tribes of the Missouri Valley. Dr. F. V. Hayden, 1862.

[32] The Native Calendars of Central America and Mexico. Daniel G. Brinton.

[33] Popular Science Monthly, vol. xlv, article Astronomy of the Incas.

[34] Les Origines Indo-Européennes. Pictet, p. 568.

[35] See a paper by G. K. Schneider in vol. ii of Vierteljahrsschrift für wissenschaftliche Philosophie.

[36] "It is perfectly certain that two in every three children are irretrievably damaged or hindered in their mental and moral development in the schools; but I am not sure that they would fare better if they stayed at home."—Baldwin, in Mental Development, p. 38.

[37] See an instance clearly elucidative of this in an account of the Kelly murder trial, given by Dr. Walter Channing in the American Journal of Insanity for January, 1898, page 385.

[38] See New York Medical Journal for August 14, 1897.

[39] See also Dr. Edward Cowles. Shattuck Lecture on Neurasthenia.