LONGUS in North Britain, mentioned by Ptolemy (2.3) as a river to the north of the Epidian Promontory (Mull of Cantyre). Identified in the MonumentaBritannica with Lynneloch, Innerlochy, and Loch Melfort. [R.G.L]
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.