3. A son of Hermes and Antianeira, and brother of Echion, was one of the Argonauts. (Apollod. 1.9.16; Hyg. Fab. 14, 160; V. Fl. 1.439.) He is sometimes also called Erytus. (Pind. Pytth. 4.179; Apollon. 1.51; Orph. Arg. 133.) There are two more mythical personages of this name. (Apollod. 3.10, 5, 1.6.2.)