2. A Naias, a daughter of the river-god Aegaeus, who became, by Heracles, the mother of Hyllus, in the country of the Phaeacians. (Apollon. 4.538.)
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.