BELISAMA (Aestuarium), in Britain, mentioned by Ptolemy (2.3.2) as south of Morecambe (Morecame Bay), and, consequently, most probably the mouth of the Ribble, though Horsley identifies it with that of the Mersey. [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.