governor of Egypt in the reign of Nero, A. D. 55 (Tac. Ann. 13.22), and a man of great learning, wrote a work respecting Aegypt and his journeys in that country. (Senec. Quaest. Nat. 4.2; Plin. H. N. xix. pröoem.)
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.