Shortly after the incident in boyhood, already narrated, A.H. induced a little boy companion to go to a quiet spot, where, at A.H.'s suggestion, each placed the other's penis in his mouth by turns. A.H. had never heard of such a proceeding. It was a natural instinct. He began to masturbate at an early age. But he soon found a companion to share his passion. An older man, especially, married and with a family, became his accomplice on every possible opportunity, and they would manipulate each other. At the age of 21, _fellatio_ began to be practised with this man. It became a lifelong practice, and the preferred method of sexual gratification. He likes best to have it performed on himself, but he has never asked anyone to do for him what he would not himself do for the other if desired. There has never been _pedicatio_. The penis, it may be added, is of good size, and the testicles rather large. No one has ever suspected A.H.'s sexual perversion, not even his physician, with whom he has long had a close friendship, until at a time of great mental distress A.H. voluntarily revealed his state. He is accustomed to refined society, has always read much, abhorred athletic pursuits, and loved poetry, children, and flowers. His love of nature amounts, indeed, to a passion. Wherever he has been he has made friends among the best people. He confesses to occasional periods of addiction to intoxicants, induced by sociable companionship, and only controlled by force of will. For business he has not the slightest aptitude, and cannot look after his own affairs. He is always dreading poverty and destitution. He believes, however, that he passes among his friends as fairly capable. He considers that inversion is natural in his case and that he has a perfect right to gratify his own natural instincts, though he also admits they may be vices. He has never sought to influence an innocent person toward his own tendencies. HISTORY XI.--T.D., knows of nothing abnormal in his ancestry. His brother has homosexual tendencies, but is also attracted to women. A sister, who is very religious, states that she has little or no sexual inclinations. They were all of a dreamy disposition when young, to the disgust of their teachers. He sent the following account of himself from the University at the age of 20:--