15. Of TARSUS (Hesych. s. v. Διαγόρας), a grammarian who is mentioned by Athenaeus (xi. p. 479) as the author ot γλῶσσαι Ἰταλικαί, and of a work πρὸς Λυκόφρονα (xi. p. 478). He appears to be the same as the Diodorus referred to in two other passages of Athenaeus (xi. p. 501, xiv. p. 642). It may also be that he is the same as the grammarian whom Eustathius describes as a disciple or follower of Aristophanes of Byzantium. (Villoison, Proleg. ad Hom. Il. p. 29.)
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