Themisto
3. The mother of Areas, who is commonly called Callisto, and by some Megisto. (Steph. Byz. s. v. Ἀρκάς; Eustath. ad Hom. p. 300; Hygin. Poet. Astr. 2.1.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.