Senus

SENUS (Σένος or Σαῖνος, Ptol. 7.3.2), a river in the land of the Sinae (China) which ran into the Sinus Magnus between the South-horn Cape (Νότιον κέρας), S. of Ambastus, and Rabana. Probably the modern Saigon or Saung. (Comp. Forbiger, Geogr 2. p. 478.)

SENUS (Σῆνος, Ptol. 2.2.4), a river on the W. coast of Hibernia, in the territory of the Auteri. Camden identifies it with the Shannon.