A SELECT LIBRARY OF THE NICENE AND POST-NICENE FATHERS OF THE CHRISTIAN CHURCH. SECOND SERIES TRANSLATED INTO ENGLISH WITH PROLEGOMENA AND EXPLANATORY NOTES. Edited by PHILIP SCHAFF, D.D., LL.D., PROFESSOR OF CHURCH HISTORY IN THE UNION THEOLOGICAL SEMINARY, NEW YORK. AND HENRY WACE, D.D., PRINCIPAL OF KING’S COLLEGE, LONDON. VOLUME XI Sulpitius Severus, Vincent of Lerins, John Cassian T&T CLARK EDINBURGH WM. B. EERDMANS PUBLISHING COMPANY GRAND RAPIDS, MICHIGAN