（Ἐλευσινία), or ELEUSINIA, a surname of Demeter and Persephone, derived from Eleusis in Attica, the principal seat of their worship. (Virg. Georg. 1.163; Phornut N. D. 27; Steph. Byz s. v.Ἐλευσίς.) [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.