Figure 10.~Pink salmon, Oncorhynchus gorbuscha ; lake trout, Salvelinus namaycush ; lake herring, Coregonus 



artedii ; round whltefish, Prosopium cylindraceum . 



11. Oncorhynchus gorbuscha (Walbaum), pink salmon (fig. 10) 



Six adult pink salmon, an exotic species, were observed in the Cross River, Cook County, 

 Minn., on September 20, 1963, by Willard O. Brewington, a stream survey leader of the Bureau's 

 Biological Station at Marquette. 



Record by state and county: 

 Minnesota - Cook 169. 



13. Salvelinus namaycush (Walbaum), lake trout (fig. 10) 



Small numbers of lake trout were captured at the electric barrier on Pendills Creek. They 

 were immature fish, and undoubtedly came from the Pendills Creek Fish Cultural Station. One 

 immature lake trout was captured upstream from the mouth of the Chocolay River, which also 

 has a lake- trout hatchery. 



Records by state and county: 



Michigan - Chippewa 3; Marquette 40. 



14. Coregonus artedii Lesueur, lake herring (fig. 10) 



Small numbers of lake herring were captured in three of the larger rivers of Lake Superior. 

 Records by state and county: 



Michigan - Marquette 49; Baraga 57. 

 Wisconsin - Douglas 152. 



15. Prosopium cylindraceum (Pallas), round whitefish (fig. 10) 



The round whitefish is common along the south shore of Lake Superior, but is not common in 

 streams. 



Records by state and county: 



Michigan - Luce 18, 19, 20; Alger 21, 26. 

 Wisconsin - Douglas 152, 154, 155. 



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