[12] Centralblatt für Anthropologie, iii, p. 66. Uke, cited by Andree, 1881, p. 32, agrees.
[13] Popular Science Monthly, vol. li, p. 20 et seq. (May, 1897), and vol. lii, p. 602 (March, 1898).
[14] Jacobs, 1889, p. 81.
[15] Talko-Hryncewicz, 1892, pp. 7 and 58.
[16] Collignon, 1887 a, pp. 211 and 326; and Bertholon, 1892, p. 41.
[17] Jacobs, 1891, p. 50, shows it to be less common in other parts of Europe. In the United States, Dr. Billings finds the marriage rate to be only 7.4 per 1,000—about one third that of the Northeastern States.
[18] 1877, p. 59.
[19] 1883, p. 71.
[20] 1889, p. 84.
[21] 1896, p. 591.