120 



AMERICAN FISHES. 



ABDOMINAL 

 MAT-AroPTERYGII. 



8ALMONID/K 



SALMON TROUT. 



SEA TROUT WHITE TROUT. 



Salmo Trutta ; Yarrel. 



This beautiful fish, which is the Salmon Trout of the Thames, the 

 Sea Trout of Scotland, and the White Trout of Wales, Devonshire, 

 and Ireland, is found nowhere on the continent of America except 

 on the eastern side of the Province of New Brunswick and in the Gulf 

 of St. Lawrence. 



It must on no account be confounded, as it has been by Dr. Smith 

 in his " Fishes of Massachusetts," with the Brook Trout, Salmo Fon- 

 iinalis, when they run down and remain permanently in salt-water, 

 as they do, more or less, along the whole south side of Long Island, 

 but especially at Fireplace, at Waquoit bay, on Cape Cod, and pro- 

 bably at many other points along the eastern coast ; for the fish are 

 totally distinct, as will be shown hereafter. 



" It is distinguished," says Yarrel, " by the gill-cover being i!iter- 

 mcdiate in its form between that of the Salmon and the Bull Trout. 

 The posterior free margin is less rounded than that of the Salmon, 

 but more so than that of the Bull Trout. The line of union of the 



