PLATE 10 Fig. 1. Woods and clearing in Kispiox Valley. Marmota mona petrensis was found in the meadow here shown. Photograph taken September 10, 1921. Fig. 2. Ridge at the summit of Nine-mile Mountain, about 5000 feet alti- tude. The thickets are of dwarfed white fir and mountain hemlock. Habitat of caribou and marmot, of ptarmigan, pipit, and golden-erowned sparrow. Photograph taken July 29, 1921.