On the whole, the speech of the Siouan stock may be said to have been fairly developed, and may, with the Algonquian, Iroquoian, and shoshonean, be regarded as typical for the portion of North America lying north of Mexico.
"The Siouan Indians"
W. J. McGee
Tribes belonging to the great shoshonean family held almost all the eastern border of the state as well as a large part of the southern desert and coast region.
"The Religion of the Indians of California"
A. L. Kroeber
The mythology of the shoshonean Mission Indians was not essentially different from that of the other Indians of Southern California.
"The Religion of the Indians of California"
A. L. Kroeber