= Wailatpu, Gallatin in Schoolcraft, Ind. Tribes, III, 402, 1853 (Cayuse and Molele).
X Sahaptin, Latham, Nat. Hist. Man, 323, 1850 (cited as including Cayús?).
X Sahaptins, Keane, App. Stanford’s Comp. (Cent. and So. Am.), 474, 1878 (cited because it includes Cayuse and Mollale).
= Molele, Latham, Nat. Hist. Man, 324, 1850 (includes Molele, Cayús?).
> Cayús?, Latham, ibid.
= Cayuse, Gatschet in Mag. Am. Hist., 166, 1877 (Cayuse and Moléle). Gatschet in Beach, Ind. Misc., 442, 1877.
Derivation: Wayíletpu, plural form of Wa-ílet, “one Cayuse man” (Gatschet).
Hale established this family and placed under it the Cailloux or Cayuse or Willetpoos, and the Molele. Their headquarters as indicated by Hale are the upper part of the Walla Walla River and the country about Mounts Hood and Vancouver.
[GEOGRAPHIC DISTRIBUTION.]
The Cayuse lived chiefly near the mouth of the Walla Walla River, extending a short distance above and below on the Columbia, between the Umatilla and Snake Rivers. The Molále were a mountain tribe and occupied a belt of mountain country south of the Columbia River, chiefly about Mounts Hood and Jefferson.