nation at large, which is the feature that alarms the eugenist. The more intelligent and well-to-do part of the population has been able to get and use the needed information, and limit its birth-rate; the poor and ignorant has been less able to do so, and their rate of increase has therefore been more natural in a large percentage of cases.
It is not surprising, therefore, that many eugenists should have advocated wider dissemination of the knowledge of means of limiting births, with the idea that if this practice were extended to the lower classes, their birth-rate would decrease just the