[31] FISHERIES OF THE UNITED STATES. 417 



66. CoregoiMts la lire ttst Bean. OIorskoi ciga (Russian). 



Yukon River, and northward to Point Barrow, Alaska. 

 This species is not large, rarely exceeding three pounds 

 in weight, but it is a very important source of food 

 on the Yukon and northward. 

 27695. (R.) Point Barrow, Alaska, 1880. Capt. C. L. Hooper. 



67. Coreg , OMM§ merkii Giinther. Subsp. 



Yukon River ; Hotham Inlet ; Kolima and other Siber- 

 ian rivers (Pallas, as Salmo clupeoides fide Giinther). 



A small species, rarely exceeding a half pound in 

 weight ; little used as food in Alaska. 

 27698. (2 spec.) Hotham Inlet, Alaska, 1880. Capt. C. L. Hooper. 



68. Coreg"©iiS!§ quadrilateralis Richardson. Round White- 



fish. (?) Krug- (Russian). 



Lakes of New England; Upper Great Lakes; Slave 

 Lake; Kodiak; Yukon River; rivers of Arctic North 

 America (Giinther). 



A species of wide distribution and variability; of rather 

 small size, but excellent quality. 



32469. Kodiak, Alaska. W. J. Fisher. 



69. Salvelmus snalma (Walb.) Jor. and Gilb. Brook Trout; 



Dolly Varden; Salmon Trout (sea-run condi- 

 tion); Goletz (Russian). 



Northern California, west of the Cascade Range; 

 Puget Sound (Jor. & Gilb.); throughout the Aleu- 

 tian Islands and the mainland of Alaska north to 

 Colville River; Eastern Siberia (Bean). 



This species sometimes reaches a weight of 12 pounds, 

 being more abundant and of the largest size in the 

 northern part of its range. The typical "Dolly Var- 

 den" condition is best known in McCloud River, 

 California. As "Salmon Trout" at Kodiak it is an 

 important article of commerce in the salted state. 



27599. Old Sitka, Alaska, June 2, 1880. Dr. T. H. Bean. 



70. Salmo purpura tiis Pallas. Clark's Trout; Salmon 



Trout. 



Rocky Mountain and Cascade regions (Jor. & Gilb.); 

 Monterey Bay, San Francisco, Columbia River (Jor. 

 & Gilb.); Puget Sound (Jor. & Gilb.); Southern 

 Alaska; Kodiak; Unalashka. 

 A variable species of wide range, reaching a weight of 

 20 pounds; quite abundant in lakes at Sitka. 

 27903. Sitka. Alaska, June 3, 1880. W. M. Noyes. 

 2444— Bull. 27 -27 



