concealment as well.
Passing to the relative death-rate of the illegitimate and legitimate progeny, the actual data invariably indicate a decided advantage of the legitimately born. The reasons are too obvious to be retailed.
Now, then, knowing that the racial contribution of the sexually moral is greater than that of the sexually immoral, we may compare the quality of the sexually moral and immoral, to get the evolutionary effect.
For this purpose a distinction must be made between the individual who has been chaste till the normal time of marriage and whose sexual life is truly monogamous, and that abnormal group who remain chaste and celibate to an advanced age. These last are not moral in the last analysis, if they have valuable and needed traits and are fertile, because in the long run their failure to reproduce affects adversely the welfare of their group. While the race suffers through the