PSYCHRUS (Ψυχρός), a small river in the east of Pontus, forming the boundary between the tribes of the Colchi and Sanni. (Arrian, Peripl. P. E. p. 6; Anonym. Peripl. P. E. p. 14.) [L.S]
Dictionary of Greek and Roman Geography, illustrated by numerous engravings on wood. William Smith, LLD. London. Walton and Maberly, Upper Gower Street and Ivy Lane, Paternoster Row; John Murray, Albemarle Street. 1854.