DAIX(Διξ). In the geography of Ptolemy (Ptol. 6.14; comp. Menand. Hist. p. 301, ed. Bonn), this river, which he describes as flowing into the Caspian, is the second river from the Rha ( Volga) towards the Jaxartes, the Rhymnus intervening; but there must be some mistake (comp. Rennell, Geog. Herod. vol. 1. p. 180), as there can be no doubt that the Daix is represented by the Jaikor Ural(Humboldt, Asie Centrale, vol. 2. p. 186), which forms part of the E. limit of Europe, rising in the Uralmountains, and falling into the Caspian, after a course of about 900 English miles. This river is the W. boundary to the vast steppes over which the hordes of the Kirghiz-Kazaksroam. (Levchine, Hordes et Steppes des Kirghiz-Kazaks, p. 3.)
[E.B.J]