Salmonidas of Norway. 



89 



square in shape, and without regard to medial line. Some 

 fish have no spots below medial line. Before first visit 

 to sea spotted with black and red marks. 



Gill-covers. — Round in outline and irregular, especially 

 in males. Freely spotted. 



Teeth. — Upper jaw, two rows. 

 Under jaw, one row. 

 Vomer, one row. 

 Tongue, two rows. 



S' z 



BULL-TROUT, J LB. {\ LITE-SIZE). 



Fins. — Dorsal, brownish green, blotched with black. 

 Adipose, slate, tipped with orange. 

 Pectoral, ventral, anal, before first visit to sea, 

 orange ; afterwards, slate-colour to white. 

 Tail. — When young, roundly forked ; square when 

 old ; wlien very old, convex. Colour, dusky slate. 



The bull-trout is about the best-abused fish in Norway. 



