THE OREGON SPORTSMAN 



33 



rather narrow and fainter in color at the opercle and diminishes 

 near the tail." 



OTHER CHARACTERISTICS. 



Two great ichthyologists state that the "Rainbow may be 

 known by the numbers of scales in a line from head to tail, which 

 is about 120." Both say its scales are larger than in the Steelhead 

 or Clark trout. 



One of these scientists is Doctor David Starr Jordan. He 

 named this trout "Rainbow" in 1870, the specimen being taken 

 in San Leandro creek, near Alameda, California. 



The description given by Doctor Jordan of the Rainbow 

 seems to be followed implicitly by many writers, though very in- 



The Parr or Young" Rainbow. 



complete, and even questionable. The statement that "its head 

 is larger than any other Pacific trout" is open to question, the 

 pictures illustrating the article showing the Clark trout's head to 

 be the larger of the two. Perhaps the Rainbow trout of California 

 differs from ours, but two-year-old Rainbows, eight to ten inches 

 long, from Oregon waters, .show a considerably smaller head length 

 than Clark trout of the same size. In unusually large fish of 



