[13] R.J. Ewart, "The Influence of Parental Age on Offspring," Eugenics Review, Oct., 1911.

[14] In New Zealand the birth-rate is very low; but the death-rate of children in the first year is only 58 per thousand as against 130 in England.

[15] E.M. Elderton, Report on the English Birth-rate, Part I., 1914. See also the collection of narratives of their experiences by working-class mothers, published under the title of Maternity (Women's Co-operative Guild, 1915).

[16] Flinders Petrie, Journal of the Anthropological Institute, 1906, p. 220.