Incomplete letter, containing numbered pages 1-4, 11-12, 14, 22-23. Missing pages either discarded by Boas or interspersed with other materials by Teit. Returned from trip to south. Discusses funding. Heading to Cassiar for August through November. Returning to Nlaka'pamux linguistic work in winter, and can continue work on southern groups in April. Detailed info on "Lake Colville" (Sinixt) people. Plans to collect vocabulary there and maybe a bark canoe. May get specimens among Kalispel. Will then go to Coeur d'Alene, skipping the Spokane. Will collect Kalispel vocabulary. Discusses kekule houses, similarities and details among Salish and Sahaptin. Will not go to Wenatchi or Flatheads. Can get clothing examples. Colville; Sanpoil; Nespelem; Nlaka'pamux; Thompson; Sahaptin; Tahltan; Kaska; Carrier; Dakleh; Tshilhqot'in; Chilcotin; Sinixt; Kalispel; Coeur d'Alene; Spokane; Wenatchi;