Black Death, its influence on Flagellant mania, 51 Boccaccio, his tale of _The Three Rings_, 72-3 Boëthius of Dacia, Parisian Averrhoïst, 58, 66-9 Bogomiles, Manichæan sect, 22, 24, 26 Bohemia, Catharism in, 22 Flagellants in, 51 Husitism in, 94-8 (_passim_), 175 Inquisition in, 159, 174-5 Bois, Peter du, 78 Bologna, University of, 6, 70, 95 Bonaventura, Saint, 39, 41, 53, 56 Boniface VIII, Pope, 42, 77-80, 107, 160, 174 Boniface IX, 50 Bosnia, Catharism in, 174 Bourges, Pragmatic Sanction of, 103, 164 Brescia, Dolcino in, 47 ‘Brethren of the Free Spirit,’ 49, 51, 165-6, 175 British Isles, their immunity from Inquisition, 176-7 Brittany, _see_ Apostolic Brethren Bruno of Cologne, founder of Carthusian order, 38 Bruys, Pierre de, 17 Bulgaria, Catharism in, 23 _n._, 174 Bulls, papal: _Ad abolendam_ (Lucius III), 133 _Ad extirpanda_ (Innocent IV), 155-7, 167, 201, 213, 221 _Clericis laïcos_ (Boniface VIII), 77, 79 _Cum adversus haereticam pravitatem_ (Innocent IV), 154, 220 _Cum inter nonnullos_ (John XXII), 45 _Etsi de statu_ (Boniface VIII), 79 _Excommunicamus_ (Gregory IX), 153-4 _Exiit qui seminat_ (Nicholas III), 42, 44 _Licet Heli_ (Innocent III), 190 _Pastoralis Praeeminentiae_ (Clement V), 176 _Quod super nonnullis_ (Alexander IV), 107 _Quorundam_ (John XXII), 43-4 _Unam sanctam_ (Boniface VIII), 77 Burgundy, Inquisition in, 159 Robert le Bugre in, 163 Calabria, Joachim of Flora in, 34 Calomar, Duke of Croatia and Dalmatia, 174 Cambrai, burning of heretics at, _anno_ 1076, 129-30 Robert le Bugre in, 162 Canon law, and clerical abuses, 12 and witchcraft, 112-13 and torture, 177, 201 and death-penalty, 131, 134, 143, 193, 222, 238 Carcassonne, Catharism in, 148 Spiritual Franciscans in, 43 Castelnau, Pierre de, papal legate in Languedoc, 137, 144-6 Cathari, 12, 22-34, 38, 46, 77, 84, 95, 128-38, 151, 159, 160, 170, 211, 214-18, 229, 236, 242 Celestine III, Pope, 34 Cesena, Michael de, 79, 81, 85 Châlons, Apostolic Brethren in diocese of, 15 _Chambre ardente_ in _Parlement de Paris_, 165 Champagne, Catharism in, 22 Robert le Bugre in, 162 Charles IV, Emperor, 165 Chrysostom, Saint, on treatment of heretics, 113, 126-7 Citations, inquisitorial, 188, 192 Civil courts, influence of Inquisition on, 177, 205 _n._, 242 _Civitas Dei_, conception of, 1, 12, 32, 77 _Clarendon, Assize of_, 132, 177, 217-18 Clement V, Pope, 42, 44, 48, 156, 161-2, 176-7, 202 Clement VI, Pope, 52 Clement VII, Pope, 85 ‘Clementines,’ the, decrees of Clement V, 161-2, 165 Cologne, mob and heretics in, _anno_ 1143, 180 Commutation of penalties in Inquisition, 225-6 _Compagnia della Fede_, in Milan, 167 Conciliar movement, 12-13, 96, 103 Confiscation of property, inquisitorial penalty, 211-14, 216-17, 227