The Mongol Berte-Scheno, of the very curious Mongol History, published and translated by M.Schmidt of Petersburg, is brought from Thibet.

M.
Schmidt considers this tradition of the Thibetane descent of the royal race of the Mongols to be much earlier than their conversion to Lamaism, yet it seems very suspicious.

See Klaproth, Tabl.

de l'Asie, p.

159.
The Turkish Bertezena is called Thou-men by Klaproth, p.115.In 552, Thou-men took the title of Kha-Khan, and was called Il Khan .-- M.] [Footnote 2513: Great Bucharia is called Turkistan: see Hammer, 2.