Holy Office on abortion, 20, 49, 50, 51. Homesickness, melancholia and, 217. Homicide, 17, 18; direct, 17; indirect, 18, 43; morality of, 17, 18. Homicidal mania, 300. Humoral pathology, 88. Huntingdon's chorea, 122. Hydramnios, 53. Hydrophobia, death in, 161. Hygiene in schools, 202. Hymen imperforabilis, 332. Hypnosis and bloody sweat, 345; and crime, 131, 132; and responsibility, 131; danger in, 130, 131; utility of, 130. Hypnotism, 129; bibliography of, 117; in dipsomania, 117; in morphinism, 117. Hypoblast, 73. Hypochondriacs, 287. Hysterectomy, 42. Hysteria, 235; and marriage, 239; causes of, 235; imitative form of, 236; in males, 235; major form of, 237; manifestations of, 235; minor forms of, 238; symptoms of, 238; treatment of, 239. I _Idée obsédante,_ 266. Idiocy and alcoholism, 113; and maternal impressions, 64. Idiopathic insanity, 212 Imbecility and alcoholism, 112, 114; grades of, 114. Imitative hysteria, 236, 237. Immunity to disease, 170, 171. Impetigo, contagiousness, 199. Impotence, American authorities on, 327; and American law, 326; canon law on, 326; definition, 327; definition by moralists, 329, 330; St. Alphonsus's definition, 328. _Impotentia_ _atonica_, 340; _e morbis penis_, 341; _e vaginismo_, 332; _e venenis_, 340; _et aspermia_, 344; _et castratio_, 342; _et inseminatio_, 343; _et prolapsus_, 333; _et senectus_, 333; _et varicocele_, 342; _ex irritatione_, 341; _ex maleficio_, 337; _maris_, 336; _mulieris_, 331; _organica_, 341; _paralytica_, 340; _propter atresiam_, 333; _pychica_, 336, 337; _impotentiae definitio_, 344; _multeris causae_, 332. Impregnation, 240. Impulse and responsibility, 266. Indeterminate sentence tor criminals, 279, 280. Infected patient, release of, 192. Infection, 168. Infectious diseases, 168; and mania, 226; in schools, 187. Influenza, visits in, 181. Insanity, 212; alcoholic, 107; and crime, 274; and epilepsy, 253; and heredity, 224; and menstrual diseases, 243, 244; and religious vocations, 226; and sexuality, 226; diagnosis of, 106; from cocaine, 116; marriage and, 225; recurrence of, 213. _Inseminatio_, 341. Interstitial tubal pregnancy, 5. Intoxicants, 105. Intrauterine hemorrhage, 53. Iodide of potassium and sarsaparilla, 96. Ischiopagi, 82. Isthmic ectopic pregnancy, 5. Italian school of criminology, 271. Itch, 198. J Jacksonian epilepsy, 257. Jews and the plague, 185. K Kelly on ectopic gestation, 5, 8. Kidney diseases and oedema, 139; coma in, 138; effect of heat and cold in, 138; fatality of, 137. Kleptomania, 299. Konings on impotence, 329. L Laurent on criminals, 271. Law, St. Thomas's definition of, 16. Left-handedness and crime, 272. Lehmkuhl on abortion, 19; on ectopic gestation, 25; on impotence, 329. Leprosy, contagiousness of, 183; visits in, 182.