Ammianus, xxvi. I; Zosimus, l. iii. [c. 36] p. 198; Philostorgius, l. viii. c. 8; and Godefroy, Dissertat. p. 334. Philostorgius, who appears to have obtained some curious and authentic intelligence, ascribes the choice of Valentinian to the praefect Sallust, the master-general Arintheus, Dagalaiphus count of the domestics, and the patrician Datianus, whose pressing recommendations from Ancyra had a weighty influence in the election.