(Περικλύμενος).
1. One of the Argonauts, was a son of Nelens and Chloris, and a brother of Nestor. (Hom. Od. 11.285 ; Apollod. 1.9.15; Orph. Aryon. 155.) Poseidon gave him the power of changing himself into different foims, and confierred upon him great strength, but he was nevertheless slain by Heracles at the taking of Pylos. (Apollod. 1.9.9, 2.7.3 ; Apollon. 1.156 with the Schol.; Ov. Met. 13.556, &c.; Eustath. ad Hom. p. 1685.) According to Hyginus (Hyg. Fab. 10) Periclymenus escaped Heracles in the shape of an eagle.