[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.