bishop of Cagliari, hence surnamed Calaritanus, first appears in ecclesiastical history as joint legate with Eusebius of Vercelli [EUSEBIUS VERCELLENSIS] from pope Liberius to the council of Milan (A. D. 354), where, along with his colleague, he displayed such determined firmness in withstanding the demands of the Arian emperor, that he was first cast into prison, and then transported from place to place as an exile. every where enduring hardships and cruelty.
[W.R]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890