The Tartars are a Mongol people allied to the Ottoman Turks, and their language is a patois of Turkish. They originally arrived from Central Asia, and invaded the Caucasus from Azerbajan (North-Western Persia); they are, in fact, described as Azerbajan Tartars, to distinguish them from the Kazan and the Crimean Tartars. Their habitats are the governments of Baku, Elizavetpol, Erivan, and certain