20 a N., by China (Dzungaria, Kulja, Aksu and Kashgaria) on the E.
They are Lamaists by religion and immigrated to the mouth of the Volga from Dzungaria, in the 17th century, driving out the Tatars and Nogais, and after many wars with the Don Cossacks, one part of them was taken in by the Don Cossacks, so that even now there are among these Cossacks several Kalmuck sotnias or squadrons.
Last is the Altai, near the 50th parallel, rising to 10,000 or 12,000 ft., which separates the waters of the great rivers of western Siberia from those that collect into the lakes of northwest Mongolia, Dzungaria and Kalka.
The Kalmucks are a Buddhist and Mongolian people who originated in a confederacy of tribes dwelling in Dzungaria, migrated to Siberia, and settled on the Lower Volga.
Thence it turns north-west, following the Great Wall for over 300 m.; it then crosses the plateau so as to separate Mongolia from the Chinese province of Sin-Kiang (Hari-su-sin-tsiang, which includes the Nan-shan highlands and eastern Turkestan), and from Dzungaria, reaching the Chinese or Ektagh Altai in 46° 30' N., 92° 50' E.