, bishop of Lisieux, in the twelfth century, was treasurer of the church of Bayeux, archdeacon of Seez, and in 1141, succeeded John, his uncle, io the bishopric of Lisieux. In 1147 he travelled beyond seas with Louis the Young, king of France, and returned in 1149. In 1,154, he was present at the coronation of Henry II. king of England, whom he endeavoured to keep steadfast to the orthodox faith, as appears by the letters of pope Alexander III. He espoused the cause of Thomasa Becket, and travelled to England, on purpose to effect | a reconciliation between Becket and the king, but finding that his interference was useless, and likely to involve himself with Henry, he resolved to retire to a monastery. Many years after he was made canon regular of the abbey of St. Victor at Paris, where he died August 31, 1182. He wrote several works, and among others, a volume of letters, two speeches, one delivered in the council held at Tours, 1163, and the other on occasion of ordaining a bishop, and some pieces of poetry, all printed by Odo Turnebus, the son of Adrian, Paris, 1585, under the title “Epistolae, conciones, et epigrammata,” and afterwards inserted in theBibliotheca Patrum. D’Acheri, in the second volume of his Spicilegium, has a treatise by Arnoul, “De Schismate orco post Honoriill. discessum, contra Girardum episcopum Engolismensem,” the legate of Peter of Leon, the antipope: and in the thirteenth volume, a sermon and five letters. ArnoiFs letters are chiefly valuable for the particulars they contain of the history and discipline of his times, and his poetry is favourably spoken of, as to correctness of verse. 1