In a letter received from Dr. Stekel while this work was going through the press he states that a new edition of _Onanie und Homosexualität_ is being issued in the original, bearing a dedication to the present translator. v. T. Brookline, Mass. CONTENTS CHAPTER PAGE I Krafft-Ebing considers onanism the cause of homosexuality—Confusion of cause and effect—The views of Krafft-Ebing—The views of Moll—of Havelock Ellis—of Bloch—of Magnus Hirschfeld—How is the diagnosis established?—The fundamental bisexuality of all persons—Relation of neurosis and homosexuality—The family of the homosexual—The views of Bloch on the problem—The influence of the psyche on the organism—Wish as active factor of the psyche—My theory— The theories of Kiernan, Chevalier and Lombroso—The neurotic as a retrograded type—Early awakening of sexuality 11 II The development of sexuality—-the bisexual ideal of all persons—The fundamental law of sexuality—The rôle of homosexuality in neurosis—Womanly men and mannish women—Gerontophilia—Love of prostitutes—The significance of sexual symbols—Various masks of homosexuality—Transvestites—A case of Transvestism—The significance of the hose as a symbol—Love at first sight—The critical age—The pleasure seeker—The case of a man passive through the critical age—Neurotic types of homosexuality—The Don Juan type—Psychoanalysis of a Don Juan—Passionate falling in love during advanced age, significant—Analysis of a Don Juan 53 III Diagnosis of Satyriasis—Priapism—A case of Satyriasis—A second case of Satyriasis—A case of nymphomania—Proof that the cravings represented by this condition are traceable to the ungratified homosexual instinct 129 IV Description of Don Juan types who are satisfied with conquest and forego physical possession—An unlucky hero, whose love adventures are interfered with by gastric derangements—A would-be Messalina who hesitates on account of vomiting spells—Influence of religion on neurosis 175 V Resistance of homosexuals against cure and their pride in their condition—Acquired vs. inherited—Insanity and alcoholism betray the inner man—Three cases by Colla illustrating behavior during alcoholic intoxication—Observations of Numa Prætonis—The case of Hugo Deutsch—Views of Juliusburger—Two personal observations—A case of Moll—Views of Fleischmann and Naecke—A personal observation—Bloch on woman haters 241 VI May disgust produce the homosexual attitude? Cases by Krafft-Ebing, Fleischmann, Ziemcke—Observation (personal) and case by Bloch—Late trauma as cause of homosexuality—Personal observation of a case of late homosexuality—Two cases by Bloch—Further discussion of the problem—A case of Pfister’s with the analysis of several dreams 279