70 



HIGH SCHOOL ZOOLOGY. 



whence they are sometimes called Anacanthini. They are 

 marine forms for the most part, the first family including the 

 Cod-fish and Haddock {Gadus callarias and (eylefimis) with a 

 host of less important food fishes, and being represented in our 

 inland waters by the burbot, Lota maculosa (Fig. 42). The 



Fig. 42.- The Burbot. Lota maculosa. \. 

 (U. S. F. C.) 



latter genus has two dorsal fins and one anal, the former three 

 dorsal and two anal; in both the ventral fins are jugular in 

 position. To the second family belong the Halibuts, Flounders, 

 and Soles (Fig. 43) which are generally spoken of as Flat-fish, 



Figr. 43.— The Smooth Flounder. Pleuroneetes glaber. J. 

 (U. S. F. C.) 



from the fact that at an early stage of development they swim 

 upon one side, which becomes colourless and blind from the eye 

 moving towards the upper surface of the head. 



