CAESARIUS OF ARLES, SAINT (c. bishop of Arles and ecclesiastical legislator, was born at Chalons, Bur gundy. In 502 he became bishop of Arles, a town which was then of great commercial and political importance. He convoked the Council of Agde (5o6), of Arles (524), of Carpentras (527), of Orange and of Vaison (529), and of Marseille (533), wherein such problems as semipelagianism, ecclesiastical jurisdiction and property, and the education and support of the clergy were raised. His works, including his popular sermons, invaluable for history, and his two monastic rules were published in Migne, Pat. Lat. vol. lxvii.