Brown Trout 273 



every means to destroy them ; and similar action 

 will be and should be taken by every lessor or 

 owner of water inhabited by our native trouts, 

 if the foreign fish has unfortunately been intro- 

 duced therein. 



When the angler is fishing a trout stream, 

 particularly one east of the Appalachian Range, 

 he will be apt to hook a brown trout, and may be 

 at a loss, upon seeing the red spots on its body, 

 to distinguish it from the native red-spotted trout. 

 This is not difficult. The scales on the indige- 

 nous Eastern fish are nearly microscopical in 

 size, on the brown trout they are larger and 

 easily seen by the naked eyes ; the imported fish 

 is without the mottlings or wormlike markings 

 (vermiculations) on the back, which are always 

 prominent in fontinalis ; and on the latter, the 

 red spots are present above and below the lat- 

 eral line, while on the former, they are larger, sel- 

 dom found below the median line, and there is a 

 row of them almost invariably along the middle 

 of the body. Again, the brown trout is a salmon 

 trout and fontinalis a charr : put your finger in 

 the mouth of the former and you will find on 

 the roof a double row of teeth running down the 

 central bone or vomer; in the mouth of the 



