Note 4 — Chapter I · THE CHURCHES IN THE WEST.
Reading edition
‘Florentio et Dionysio Coss. (A.D. 429) ... Agricola Pelagianus, Severiani Pelagiani Episcopi filius, Ecclesias Britanniæ dogmatis sui insinuatione corrupit.’—Prosper, Chron. Opp. i. 400, 401.