GROWING THE LARGE TROUT. 199 



DESCRIPTION. Body elongated, compressed. The 

 length of the head is about equal to one fifth the 

 length of the fish ; the top of the head is flattened ; 

 the snout is obtuse. The eyes are large and circular. 

 The distance between the eyes is equal to one fifth the 

 length of the head. The jaws are equal in length ; 

 the gape of the mouth is large ; the teeth are sharp 

 and recurved ; the teeth on the tongue are larger than 

 those of the jaws ; there are teeth also on the palatines 

 and romer. The scales are very small ; those on the 

 lateral line, which pursues a straight course, are larger 

 than those on the rest of the body. 



The quadrangular dorsal fin is situated upon the 

 anterior half of the body; the adipose fin is quite 

 small, and near the tail. 



The pectorals arise in front of the posterior angle 

 of the operculum ; their length is equal to one quarter 

 of their height. 



The fan-shaped ventrals commence opposite the 

 middle of the \lorsal fin ; when unexpanded, their ex- 

 tremities together form a sharp point. 



The anal fin arises in front of the adipose fin, and 

 is higher than it is long. 



The caudal fin is deeply emarginated. 



The fin-rays are as follows : D. n, P. 13, V. 8, A. 

 ii, C. 19. 



Length, eight to twenty inches. 



Labrador : H. S. Storer. Maine, Massachusetts : 

 Storer. Connecticut : Linsley, Ayres. Vermont : 

 Thompson. New York : Mitchill, Dekay. Pennsyl- 

 vania : Dekay. Ohio : Kirtland. Lake Huron : Rich- 

 ardson. 



