In some cases their ethnical relations have not yet been completely determined.
The chief difficulty in deciding their ethnical relations is their remarkable physical difference from the neighbouring peoples.
The mainstay of the Ottoman dynasty is the Asiatic portion of the empire, where the Mahommedan religion is absolutely predominant, and where the naturally vigorous and robust Turki race forms in Asia Minor a compact mass of many millions, far outnumbering any other single ethnical element and probably equalling all taken collectively.
They form now the chief ethnical element in Bolivia, but are of very mixed blood.
But as the immigrants were of very different foreign nationalities, the country became a collection of heterogeneous ethnical elements, amid which the ruling Magyar race formed only a minority.