3. A daughter of Heracles, is likewise described as a prophetess, and as the personage from whom the town of Mantua received its name. (Serv. ad Aen. 10.198.) [L.S]
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.