[165] Journal of Nervous and Mental Diseases, 1881.

[166] American Journal of Obstetrics, October, 1882.

[167] Birmingham Medical Review, January, 1887.

[168] C. E. Paddock, of Chicago, cites very analogous cases.

[169] Variation of Plants and Animals under Domestication, vol. i. p. 37.

[170] Keane, Ethnology, p. 203.

[171] Lectures on Man, 1868.

[172] Man and Woman, chap. iv.

[173] Annual of the Universal Medical Sciences, 1892, K. 18, vol. v.

[174] Annual of the Universal Medical Sciences, 1892.