Disappeared tribe of the Merkits (Mekrits): to the problem of their origin and descendants

The ethnic history of a medieval tribe merkits is poorly studied, the parity question between mekrits and merkits, and also mekrins East Turkestan is not found out. As the article affirms that ancestors mekrits, merkits and mekrins possibly are mokhe the Far East. Mysterious communication merkits-mekrits with samodians and yukagirs, allows to connect them with the Ural people. Antoroponims and toponims merkits Transbaikalia, and also totem the cult of an eagle and folklore materials sakha, testify to sharing merkits in ethnogenese of sakha.