The Shoshonees when first known dwelt as far north as the head waters of the Missouri, and in the country now occupied by the Black Feet.

Their language, which includes that of the Comanche, Wihinasht, Utah, and kindred bands, was first shown to have many and marked affinities with that of the Aztecs by Professor Buschmann in his great work, _Ueber die Spuren der Aztekischen Sprache im noerdlichen Mexico und hoeheren Amerikanischen Norden_, p.

648: Berlin, 1854.
[31-1] His opinion was founded on an analysis of fifteen words of the secret language of the Incas preserved in the Royal Commentaries of Garcilasso de la Vega.

On examination, they all proved to be modified forms from the _lengua general_ (Meyen, _Ueber die Ureinwohner von Peru_, p.

6).