（Βαγιστάνης), a distinguished Babylonian, deserted Bessus and the conspirators, when Alexander was in pursuit of them and Dareius, B. C. 330, and informed Alexander of the danger of the Persian king. (Arrian, 3.21 ; Curt. 5.13.)
William Smith. A Dictionary of Greek and Roman biography and mythology. London. John Murray: printed by Spottiswoode and Co., New-Street Square and Parliament Street. In the article on Soranus, we find: "at this present time (1848)" and this date seems to reflect the dates of works cited. 1873 - probably the printing date.