21 ll. 4^o. In Introduction to the Study of Indian Languages, 1st
ed. Collected in 1878 on the Colorado Plateau, Arizona.

=Ridgway= (Robert). Vocabulary of the Washo; 75 words.
5 ll. folio. Collected at Carson City, Nev.

=Riggs= (_Rev._ Alfred Longley). Language of the Dakotas and cognate
tribes; by Alfred L. Riggs, A.B., B.D., Missionary of the American
Board.
24 ll. 8^o.

=Riggs= (_Rev._ Stephen Return). Comparative Vocabulary of the Dakota,
Winnebago, Omaha, and Ponka.
9 ll. folio. Includes a few grammatic forms.

---- Dictionary of the Santee Dakota--Dakota-English and
English-Dakota.
820 pp. folio. This material is in the hands of the printer, and
will form Part 2 of Vol. 7, Contributions to North American
Ethnology. Part 1 will consist of myths and stories with
interlinear translation, and a Grammar of this dialect. It is in an
advanced stage of preparation.

=Robertson= (_Mrs._ Ann Eliza Worcester). Vocabulary of the Chickasaw.
On slips. _See_ Pike (_Gen._ Albert).

=Roehrig= (F.L.O.) Comparative Vocabulary of the Selish Languages.
50 pp. folio. Includes words in Selish proper, or Flathead;
Kalispelm; Spokan; Skoyelpi; Okinaken; S'chitsui; Shiwapmuth;
Piskwaus.