Salmonidae of Norway. 



«3 



Teeth, — Upper jaw, two rows. 

 Under jaw, one row. 



Vomer, two rows, setting outwards (these dis- 

 appear with age, and only a few remain at 

 point of jaw). 

 Tongue, two rows. 

 Fills. — Slate-colour to white. 



Dorsal, spotted or blotched with black. 

 Tail. — Forked, the inside edges being little rounded ; 

 colour, slate. 



fEA-TROUT, 2 LB3. (^ LIFE-SIZE). 



The sea-trout is common throughout the greater part 

 of Norway, and shares the large and smaller rivers with 

 his relation the salmon, while in the smallest rivers he 

 only meets with the trout. 



The date of his entry of a river, in the same manner as 

 that of the salmon, is governed by the temperature of the 



