August 17, 1890, the patient visited Dr. Moll on account of abnormal symptoms of a sexual kind. He did this on the advice of a physician, X., a relative, in whom he had previously confided. The patient conveys the impression of being very apprehensive and shy, and in answer to questions says that he is very timorous, and that particularly in the presence of others all his self-confidence and assurance leave him. Dr. X. confirmed this statement. The beginning of his sexual life the patient was able to refer to his seventh year. At that age he frequently played with his genitals, and was often punished for it. In this onanism, in which he said he had erection, he constantly thought of whipping a woman on the naked nates with a rod until the skin raised in weals. “It delighted me,” said the patient, “when I thought that she was a _proud_, beautiful lady, and that I performed the act in the presence of others, especially women, particularly with the idea _that she might feel the power I had over her_. For this reason I early sought reading about punishment, _e.g._, about the abuse of Roman slaves. However, I had erections only when the conceived abuse consisted of blows delivered on the back or nates. At first I thought this kind of excitement would disappear in time, and said nothing about it to any one.” Masturbation, early indulged in, the patient continued to practice, and always with the same thought. After his thirteenth or fourteenth year he had ejaculation with the act. Decimum septimum annum agens primum feminam adiit coëundi causa neque coitum perficere potuit libidine et erectione deficientibus. Mox autem iterum apud alteram coitum conatus est nullo succesu. Tum feminam per vim verberavit. Tantopere erat excitatus ut mulierem dolore clamantem atque lamentantem verberare non desierit. He never thought of any legal punishment for his acts, and, in fact, escaped it. In this procedure erection, orgasm, and ejaculation occurred. The patient performed the act in such a way that he took the woman between his knees, with the penis in contact with her body, but without emissio penis in vaginam, which seemed entirely superfluous to him. But the patient afterward experienced such a feeling of shame about the beating, and was overcome with such great depression, that he often contemplated suicide. In the following three years he still visited women occasionally. But he never again asked one to allow him to beat her. He sought to obtain erection by thinking of the beating; but this was without result, and manustupration by the woman did not induce erection. Finally, after an unsuccessful attempt of this kind, the patient determined to give his confidence to a physician.