312 Distribution of the Salmonide. 
velinus, has two species, the lake-trout and the siscowet—namaycush 
and siscowet. The lake-trout is one of the largest and most widely 
Lake Trout (Salvelinus namaycush). Raquette Lake, New York. About ¥; nat- 
ural length. 
diffused of the Salmonide. Richardson had it from Boothia Felix, 
in North latitude 70°. Turner found it very common in Labrador. 
It is very abundant in lakes of New England and New York and 
in the great lakes. We have obtained it recently from Henry Lake, 
in Idaho. This lake empties into Snake River, a tributary of the 
Columbia. We have also a head and fins of the species from Camin 
Lake, in British Columbia. Richardson records it from Great Bear 
Lake. Townsend and Stoney obtained specimens in the Kowak 
River, a stream flowing into Hotham Inlet, Alaska. 
Dolly Varden Trout (Salvelinus malma). Cook’s Inlet, Alaska. About fy natural 
ength. 
1 
Eight species of Salvelinus are at present known in North — 
America, only one of which, malma, we share with Asia. Seven 
of the species occur in eastern North America, and, with one or two 
exceptions, they are very closely related to the common saibling of 
