Sonus

• a river of India, a branch of the Ganges, Plin. 6, 18, 22, § 65.

SONUS (Σῶνος, Arrian, Ind. 100.4; Plin. Nat. 6.18. s. 22), a principal affluent of the Ganges, which flows in a NE. direction to it from the Vindhya Mountains. Its modern name is Soane. There is no doubt that it has been contracted from the Sanscrit Suvarna, golden. The Soas (Σῶας of Ptolemy (Ptol. 7.1.30) is certainly the same river.