Taking up first the matter of repeated sex offenses, one must always bear in mind the occasional age differences between the sexual psychopaths and the other offenders. Among the offenders vs. children the two groups are of the same age and have essentially the same number of sex-offense convictions, the average being 2.1 for the sexual psychopaths and 2.0 for the other offenders. Among the aggressors vs. adults the average number of convictions is 2.3 for the sexual psychopaths and 1.9 for the other offenders, even though the latter are an older group. We suspect that this reflects an attitude which we encountered in some clinicians—that rape of an adult female is indicative of serious psychological disturbance only when repeated several times. Among the incest offenders the sexual psychopaths had slightly fewer sex offenses, 1.5 vs. 1.8 on the average, but they were also slightly younger; hence the difference may be discounted. Among the homosexual offenders vs. minors the same situation prevails, the sexual psychopaths being younger and having somewhat fewer offenses (2.3 vs. 2.5). Among the exhibitionists the sexual psychopaths averaged 3.2 offenses whereas the other exhibitionists averaged 4.7. Most of this large difference may be attributed to the great age difference, the sexual psychopaths being on the average ten years younger. In a decade an exhibitionist can easily accumulate a number of convictions. Among the homosexual offenders vs. children there is a substantial difference in the average number of sex offenses, the sexual psychopaths having fewer (1.8 vs. 2.7). An age difference of three years exists, but this is insufficient to account for the discrepancy. An even larger age gap, nearly five years, exists among the homosexual offenders vs. minors, yet the average number of sex-offense convictions is very similar for the sexual psychopaths (2.3 convictions) and the other offenders (2.5).