（Θυάς), a name of the female followers of Dionysus, is the same as θυιάς (Lycoph. Coss. 143, 305 ;Ov. Fast. 6.514; Catull. 64, 392 ; comp. THYIA.) [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.