TAGO´NIUS(Ταγώνιος, Plut. Sert. 17), a tributary of the Tagus in Hispania Tarraconensis, either the Tajunaor Henares. (Cf. Florez, Esp. Sagr. 5. p. 40; Ukert, ii. pt. 1. p. 389.)[T.H.D]