Note (return) — ORGANIC DIFFERENCES IN THE SEXES
Reading edition
According to Mr. Jacobs' comprehensive manuscript collection of Jewish statistics ... the average proportion of male and female Jewish births registered in various countries is 114.5 males to 100 females, whilst the average proportion among the non-Jewish population of the corresponding countries is 105.25 males to 100 females.... His collection includes details of 118 mixed marriages; of these 28 are sterile, and in the remainder there are 145 female children and 122 male—that is, 118.82 females to 100 males.22