78 SALMONIDJ:. 



of the Salmon at the left hand, but more so than that of the 

 Grey Trout, which is represented by the middle figure. The 

 line of union of the operculum with the suboperculum, and 

 the inferior margin of the suboperculum, arc oblique, forming 

 a considerable angle with the axis of the body of the fish. 

 The posterior edge of the preoperculum rounded, not 

 sinuous, as in the Grey Trout. The teeth are more slender 

 as well as more numerous than in the Salmon or Grey 

 Trout ; those on the vomer extending along a great part of 

 its length, and indenting the tongue deeply between the 

 two rows of teeth that are there placed, one row along each 

 side. The tail is less forked at the same age than that of 

 the Salmon, but becomes ultimately square at the end. The 

 size and surface of the tail also is much smaller than that 

 of the Salmon, from the comparative shortness of the caudal 

 rays. The figure at the head of this article represents the 

 Salmon-Trout in its fourth year; the second figure represents 

 this species in its third year. 



This fish is the White Trout of Devonshire, Wales, 

 and Ireland; it is found in the Severn, in the rivers of 

 Cornwall, and is plentiful in the Esk and the Eden, 

 which communicate with the Solway, where it is called Sea 

 Trout. 



The habits of this species are also very like those of 



