i04 AMERICAN FISHES. 



ABDOMINAL 

 MALACOPTERYGII. • . SALMONID-i;. 



VARIETT : TEUITE DB QREVB 



THE GREATEST LAKE TROUT. 



MACKINAW SALMON NAMAYCUSH SALMON TROUT. 



Salmo Amethystus ; Mitchil, DeKay. — Salmo Namaycush ; Pennant, Richardson. 



This noble and gigantic species, which equals, or even exceeds, in 

 size, the true Salmon, Salmo Salar, and is by far the largest of all the 

 lacustrine or non-migratory Salmonidce, is found in all the great lakes 

 to the northward and westward of Lake Erie, to the Fur countries and 

 the Arctic region. It is not found in any tidal rivers, and never visits 

 the sea. The Falls of Niagara present an 'insuperable obstacle to its 

 descent into Lake Ontario ; but whether it exists in any of the smaller 

 lakes of New York, .or the eastern waters of New England, does not 

 as yet appear to be fully ascertained. It has been taken by the com- 

 panions of Dr. Richardson and Sir John Franklin, in Winter lake, 

 lat. 64^° N. ; but I cannot learn that it has been discovered in anyof 

 the waters which discharge themselves southward by the Mississippi 

 or the Missouri. L doubt not at all that it exists in the waters of the 

 Great Basin and the Columbia, and that it is one of the fish mentioned 

 by Col. Fremont, as taken in them, duijing his explorations. The name 



