a Roman knight, stationed with a few cohorts, in A. D. 50, to protect Cotys, king of the Bosporus, who had received the sovereignty after the expulsion of Mithridates. In the same year, Aquila obtained the praetorian insignia. (Tac. Ann. 12.15, 21.)
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