North American Fauna No. 27, U. S. Dept. Agr. Biological Survey. 



Plate XV. 



Fig. 1.- 



-Rapid on Stream Entering MacTavish Bay, Great Bear Lake, Showing 

 Luxuriant Forest Growth, in Latitude 65°. 



Fig. 2.— Rapid on Lower Grandin River, Showing General Character of Country 



North of Fort Rae. 



