222 The Trouts of America 



no popular name. It is evidently sui generis, and 

 has increased the difficulty of exact classification 

 in this conglomerate series of fishes, for it has no 

 red on its lower jaw, or teeth on the root of its 

 tongue. It is technically known as Salmo clarkii 

 gibbsii, and its habitat is in the tributaries of the 

 Columbia River between Shoshone Falls and the 

 Cascade Range ; and it has been also taken from 

 the Des Chutes and other rivers, also by Dr. 

 Evermann from Big Payette Lake, Idaho. It 

 is also found in Wood River, near Ketchum, 

 Idaho, where my rod certainly landed several 

 specimens previously referred to as trout non- 

 descripts. But if they are nameless wanderers 

 in Western waters, they are the peers in game 

 qualities of any of the trouts of that region. 

 They fight harder and longer when hooked than 

 any other species of the cut-throats for which I 

 cast the flies. 



The Rio Grande trout [Salmo clarkii spilurus) 

 is more familiar to the anglers of the Middle 

 West, particularly those resident in Colorado, 

 with the exception of the Colorado River trout 

 [pleuriticus), than any other species of the cut- 

 throats, for spilurus appears in great numbers 

 in the Upper Rio Grande, and is abundant in all 



