(Πολύϊδος).

1. A son of Coeranus, a grandson of Abas and a great-grandson of Melampus. He was, like his ancestor, a celebrated soothsayer at Corinth, and is described as the father of Euchenor, Astycrateia, and Manto. (Pind. O. 13.104; Hom. Il. 13.663, &c.; Paus. 1.43.5; Apollod. 3.3.1.) When Alcathous had murdered his own son Callipolis at Megara, he was purified by Polyidus, who erected at Megara a sanctuary to Dicnysus, and a statue of the god, which was covered all over except the face. (Paus., Apollod. ll. cc. ; Hyg. Fab. 136.)