[41] FISHERIES OF THE UNITED STATES. 427 



35. Salveliniis namaycush, subsp. §i§c©wet Agassiz. Sis- 



COWET. 



Lake Superior. 



The siscowet (lifters from the namaycush ill the greater 



width of its head and body, smaller size, and limited 



distribution. 

 23493. Straits of Mackinaw. L. Kmnlien. 



36. Salvelinus oquassa (Grd.) Gill & Jor. Oquassa Trout ; 



Blue-back Trout. 



Lakes in Western Maine. 



According to a note recently published by Professor 

 Jordan this species includes Salmo naresii Giinther, 

 and its range would thereby bo extended to Arctic 

 America. 

 20688. Oquassa Lake, Maine. E. G. Blackford. 



37. Salvelinus malma (Walb.) Jor. & Gilb. Dolly Varden 



Trout ; Salmon Trout ; Malma ; Goletz. 



Northern California, west of the Cascade Range; north- 

 ward to Colville River, in Alaska; abundant through- 

 out the Aleutians ; Bering Island (Stejueger); Plover 

 Bay (Bean). 



This trout reaches its largest size northward ; it is ex- 

 tensively salted at Kodiak, where it is called salmon 

 trout (in the sea-run condition). 

 27726. Unalashka, Alaska, July 28, 1880. Dr. T. H. Bean. 



38. Salvelinus fbntinalis (Mitch.) Gill & Jor. Brook Trout. 



Rivers and lakes of British America and of the northern 

 • parts of the United States and Appalachian Range 

 (Goode). Introduced westward and southward arti- 

 ficially. 

 A species closely resembling this has been received here 

 from Greenland. In the sea-run condition this is 

 Salmo immaculatus H. R. Storer and S. canadensis 

 Hamilton Smith. 



16626. Wood's Holl, Massachusetts, December 14, 1875. V. N. Edwards. 

 20991. Bush wick, Long Island. E. G. Blackford. 



32591. $ . New York market. E.G.Blackford. 



32592. 5 . New York market. E. G. Blackford. 



32533. (22 months old.) Artificially reared at Northville, Michigan, by 



Frank N. Clark. 



32534. Same age and history as 32533. 



