（Ψαών), of Plataeae, a Greek writer, who continued the history of Diyllus in 30 books. (Diod. 21.5, p. 490, ed. Wesseling; Dionys. Comp. Verb. 100.4.) [DIYLLUS.]
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.