Berengarius — The First Opponent of Transubstantiation — Numerous Councils Condemn him — His Recantation — The Martyrs of Orleans — Their Confession — Their Condemnation and Martyrdom — Peter de Bruys and the Petrobrusians — Henri — Effects of his Eloquence — St. Bernard sent to Oppose him — Henri Apprehended — His Fate Unknown — Arnold of Brescia — Birth and Education — His Picture of his Times — His Scheme of Reform — Inveighs against the Wealth of the Hierarchy — His Popularity — Condemned by Innocent II and Banished from Italy — Returns on the Pope’s Death — Labors Ten Years in Rome — Demands the Separation of the Temporal and Spiritual Authority — Adrian IV. — He Suppresses the Movement — Arnold is Burned.