To attain a knowledge of the particular differences which subsist in the race of Tartars, we have only to compare the descriptions that travellers have given of their different tribes. The Calmucks, who are situated in the neighbourhood of the Caspian Sea, between the Muscovites and the great Tartars, are, according to Tavernier, robust, but the most ugly and the most deformed of all human beings. Their faces are so flat and so broad that their eyes, which are uncommonly small, are from five to six inches asunder; and their noses so flat that two holes are barely perceivable instead of nostrils. Next to the Calmucks, the natives of Daghestan rank in the class of deformity. The little Tartars, or the Tartars of Nogai, who dwell near the Black Sea, are less ugly than the Calmucks, though their faces are broad, their eyes small, and in their figures there is a great resemblance. From their intermixture with the Circassians, the Moldavians, and other neighbouring nations, it is probable that this race have lost much of their original ugliness. The Tartars of Siberia have, like the Calmucks, broad faces, short flat noses, and small eyes; and though their language is different, yet they bear so strong a resemblance to each other, that they can only be considered as the same people. The further we advance eastward we find the features of the Tartars are gradually softened, but the characteristics essential to the race still remain. The Mongou Tartars, according to Palafox, who conquered China, and who were the most polished, though they are the least deformed, yet, like all the other tribes, their eyes are small, faces broad and flat, scanty beards, either black or red; their noses compressed and short, and their complexions tawny. The people of Thibet, and the other southern provinces of Tartary, are also of a more agreeable aspect. Mr. Sanchez, formerly first physician to the Russian army, a gentleman distinguished by his abilities, has obligingly communicated to me in writing the remarks he had made in the course of his travels through Tartary.