Gherardo da Borgo San Donnino, reputed author of _The Everlasting Gospel_, 36 Ghibellines and heresy, 168 Goslar, execution of heretics at, 129 Grace, time of, in inquisitorial practice, 191 Gratian, on witchcraft, 112 on death penalty for heretics, 131 on torture, 201 Greece, infected by Catharism, 22 Gregory VII, Pope, and heretics of Cambrai, 130 Gregory IX, Pope, on teachings of Aristotle, 63 and Frederick II, 72 and the Mendicant orders, 39, 145-9 and Conrad of Marburg, 146 attitude of, to episcopal jurisdiction over heresy, 130, 148-9 question of his responsibility for the stake, 152-5, 220 otherwise mentioned, 162, 166, 169, 173 Gregory XI, Pope, 50, 109, 118 _n._, 166, 170 Grosseteste, Bishop of Lincoln, 8, 9, 35, 63 Guala, Bishop of Brescia, 153 Guglielma, 46, 105 Gui, Bernard, inquisitor in Languedoc, 184, 202 his resentment against the _Clementines_, 161 on the ideal inquisitor, 179 classification of his sentences, 227 his _Practica_, 245 his _Sententiæ_, 245 Harding, Stephen, 38 Henry II of England, and Cathari, 132 and Assize of Clarendon, 132, 157 Henry III, Emperor, and Cathari, 129 Henry VI, Emperor, 132-3, 218 Henry of Lausanne, 17 Heretic, definition of, 123, 183-5 compared to coiner, 157-8 compared to traitor, 211, 214, 223 Hohenstaufen, fall of the house of, 77, 79, 168 Holland, Flagellants in, 51 Holy Ghost, predicted advent of, 37, 40 supposed incarnations of, 66, 232 Holy Roman Empire, conceptions of, 1-3, 78 Honorius III, Pope, 8, 35, 150, 169 _n._ Houses, destruction of heretics’, 218 Hugo of Saint Victor, 57 Hungary, Catharism in, 22 Flagellants in, 51 Inquisition in, 174 Hus, John, expounds doctrines of Wycliffe, 94-6 summoned to Bologna, 95 his doctrine of Predestination, 96 at Constance, 98-103 otherwise mentioned, 11, 12, 175, 234, 243, 244 Illuminism, 49, 51 Immaculate Conception, dogma of the, 86, 233 _Impenitent_ heretic, treatment of the, 219-21, 224 _Imperfect_ heretic, treatment of the, 185 _Impostors, The Three_, 72 Imprisonment, inquisitorial penance, 212, 214, 225, 227-8 perpetual, 131, 215-16, 220-1, 227 Innocent III, Pope, and Albigensian Crusade, 135-7 and system of _inquisitio_, 144-5 and demolition of heretics’ houses, 218 Innocent IV, Pope, his bull _Cum adversus haereticam pravitatem_, 154-5 his bull _Ad extirpanda_, 155, 167, 201, 213 his regulations regarding torture, 156, 201-2 on exaction of fines, 210 on demolition of heretics’ houses, 218 his attitude towards persecution, 220 otherwise mentioned, 9, 42, 146, 148 Innocent VIII and witchcraft, 118 _Inquisitio generalis_, 191-2 _Inquisitio specialis_, 191-2 _Inquisitio_, judicial system of, 177, 190, 242 Intellect, the active and passive, Averrhoïst doctrine of, 60-1, 66-7