82 SdUALIDESv 



fishing for cod , that quite frightened his associates 

 by its spiteful snappings. 



Doc-FisH, Squalus Canis. A manifest dif- 

 ference is observable between the sea-dog and the 

 true dog-fah, the first, which has been described, 

 more nearly resembles the blue shark, whereas, 

 the latter, so far as it regards anatomical structure, 

 approximates the sea-wolf, in having a long, stiff, 

 dorsal fin, hard, conical, irregular teeth, a rough 

 skin, which, when dry, is used by cabinet makers 

 for polishing wood, and by surgical instrument ma- 

 kers, for covering cases. 



It is a spiteful, voracious, cartilaginous shark, 

 very muscular, and the eternal enemy of the 

 cod, getting possession of the feeding ground, 

 some seasons, to the great loss of the fishermen. 

 In 1831, they were so uncommonly numerous, that 

 the cod-fishery was attended with immense loss. 

 The dog-fish is so familiarly known along the en- 

 tire coast of the United States, that it is quite un- 

 necessary to be minute in the description. 



GEN. CARCHARIAS. 



WHITE SHARK, Carcharias Vulgaris. All 

 sharks are a solitary, rapacious, blood-thirsty spe- 

 cies of animal, carrying slaughter and certain de- 

 struction, wherever they go. They are, as respects 

 their own element, precisely what the Bengal 



