2. A surname of Poseidon among the Thessalians, because he was believed to have separated the rocks, between which the river Peneius flows into the sea. (Pind. P. 4.246, with the Schol.) [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.