(a)- Letter from Mr. Ross to George Gibbs, dated November 10, 1858; Gives detailed information relative to the various Chipewyan tribes, with abstract of the census of McKenzies River District, June 1, 1858. 6 pages. (b)- Vocabulary of the Chipewyan (Caribou Eaters and Yellow Knives), and the Sekani (Sickannie), 5 pages with parallel columns. (c)- A copy of the Chipewyan vocabulary , by Gibbs, with changes. 6 pages.