118 VERTEBRATES: FISHES. 



teeth over their whole inner surface, and a row of long, 

 pointed teeth on their edges. It is found in the North' 

 ern lakes and in the Western and Southern rivers. 



Fig. 221 — ("rir-rikc 



The Cod inhabits the North Atlantic, and attains a 

 weight of even a hundred pounds in some cases. It 

 is taken in immense numbers on the Banks of New- 

 foundland, and when salted and dried is carried to all 

 parts of the world. The Flounders are marine fishes 

 which have the body flattened on the sides, and both 

 eyes are on the same side of the head, and the side 

 upon which the eyes are placed is always uppermost, 

 and is dark colored, while the opposite side is white. 

 They swim, therefore, on one side, and they keep close 

 to the bottom. Flounders are from six inches to two 

 feet long, and are caught in great numbers, even from 

 the wharves. Halibuts are shaped like the Floun- 

 ders, and in some cases weigh six hundred pounds. 

 The Flounders and the Halibiits are the only back- 

 boned animals which have the right and left sides 

 unlike. The Lump Fishes are those whose ventral 

 fins are so joined as to form a sort of cup, by which 

 they are able to attach themselves firmly to rocks or 

 other objects. Pennant, the naturalist, says that he 

 put one into a pail of water, and it adhered so tightly 

 to the bottom that he lifted the whole pailful by taking 

 hold of the fish by the tail. It lives in the North At- 



