or ASIATIC RUSSIA, the most northern country of Asia, situated between 60° and 130° E. long., and between 47° and 72° N. lat., being upwards of two thousand miles in length from east to west, and one thousand five hundred miles in breadth from north to south. We include the Calmuc Tartars within the limits of Siberia, as they acknowledge themselves subject to the empire of Russia.

SISTHORPIA, in botany, a genus of the didynamia angiosperma clas. The calyx consists of five segments, and the corolla of five equal ones; the pairs of stamina are remote; the capsule is compressed, globular, and has two cells, with a transverse dissepimentum.