(Δημαγόρας), of Sammos, is mentioned by Dionysius of Halicarnassus (A. R. 1.72), together with Agathyllus, as a writer who agreed with Cephalon respecting the date of the foundation of Rome. But whether Dema(goras was a poet like Agathyllus or not is uncertain. He is often mentioned by the grammarians. (Bekker, Anecd. p. 377; Bachmann, Anecd. i. p. 68; Eustath. ad Il. 9.558; Eudoc. p. 3.5; Apostol. Prov. 2.51; Schol. ad Eurip. Phoen. 7.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890