Conrad of Marburg, 146, 147 _n._, 165 _Consolamentum_, Catharan rite, 28-31 Constance, Council of, 51, 98-102, 234 Constantine, Emperor, 125, 151 Contumacious heretics, treatment of, 219, 221, 227 Conventuals, _see_ Franciscans Cordova, Aristotelian philosophers in caliphate of, 59 Council, General, principle of, 11-12, 81-3 views of Michael of Cesena concerning, 81 views of Ockham, 81 views of Marsiglio, 82 views of Gerson, D’Ailly, Niem, etc., 11, 96-7 Councils, decrees of ecclesiastical: Albi (1254), 199 Avignon (1209), 143 Béziers (1233), 209 Béziers (1246), 209-10, 215, 220 Lateran (1179), second, 132 Lateran (1215), fourth, 141-3, 155, 201, 222 Montpellier (1119), 136, 143 Narbonne (1227), 143, 208, 215 Rheims (1049), 131 Rheims (1157), 131, 141, 217 Tarragona (1242), 173, 197, 205, 220 Toulouse (1119), 131 Tours (1163), 131 Valence (1248), 148, 209 Verona (1184), 19, 133, 141-2, 155, 217 Vienne (1311-12), 43-4, 70, 161, 180, 183 Counsellors, inquisitorial, or _periti_, 182 Creighton, Bishop, on religious tolerance, 238 Cremona, Peter Martyr in, 167 _Crocesegnati_, the, 167 Crosses, wearing of, as inquisitorial penance, 208-9, 225, 227-8 Crusade, _see_ Albigensian Crusades and Islamism, 62, 70-3 Czech nationalism and Husite movement, 95, 103 D’Ailly, Cardinal Peter, a moderate reformer, 11, 234 his defence of Conciliar movement, 86, 97 at Council of Constance, 98, 100, 102 and astrology, 108 Dalmatia, Inquisition in, 174 Damiani, Peter, 38 Dancing mania, the, 5, 53, 105, 166 Dante, and Joachim of Flora, 34 and Dolcino, 47 and Siger of Brabant, 69 his _De Monarchia_, 80-1 Defence, difficulties of, in Inquisition, 192-205 (_passim_), 240-2 _Defensor Pacis_, Marsiglio’s, 45, 82-3 Delation, inquisitorial encouragement of, 141-4, 180-1 Delays, inquisitorial, 200-1, 228 Delegates, inquisitors as papal, 144-9 (_passim_), 179 assistants to inquisitors, 180 Délicieux, Bernard, 160, 162, 194 _De aeternitate mundi_, work by Siger, 66 _De anima intellectiva_, work by Siger, 66 _De haeretico comburendo_, statute of, 94, 177 _De modis uniendi et reformandi ecclesiam_, tract attributed to Niem, 97 _De unitate intellectus contra Averroëm_, of Albertus Magnus, 64 _De unitate intellectus contra Averroïstas_, of Aquinas, 66 _Denuntiatio_, judicial system of, 141, 144 _Diffamatio_, judicial system of, 143, 190-3 Disabilities, civil, of heretics, 217 Dolcino, Fra, 12, 47-8, 214, 231 Dominic, Saint, 38-9, 137, 145, 208-9 Dominicans, in University of Paris, 56, 64 rivalry with Franciscans, 65, 232 use by Gregory IX against heretics, 140 areas allotted to, for prosecution of heresy, 159 Donatists, 14, 125, 127, 229 Duns Scotus, 91 Eccelin da Romano, 168 Eckhart, Master, 49, 53 Edward I and Boniface VIII, 79