The Ahnenin, or Atsina language is peculiar; though the confederacy to which the Indians who speak it belong, is the blackfoot.
"The Ethnology of the British Colonies and Dependencies"
Robert Gordon Latham
On the other hand, they agree with the blackfoot in ending in -scum.
"The Ethnology of the British Colonies and Dependencies"
Robert Gordon Latham
Now if the resemblance go farther, so as really to connect the blackfoot with the Hailtsa, it brings the Algonkin class of languages across the whole breadth of the continent, and as far as the shores of the Pacific.
"The Ethnology of the British Colonies and Dependencies"
Robert Gordon Latham