（Καϊανός), two mythical personages, one a son of Oceanus and Tethys (Hesiod, Hes. Th. 343), and the other a son of Hermes and Ocyrrhoe, who threw himself into the river Astraeus, henceforth called Caicus. (Plut. de Fluv. 21.) [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.