439 Fisuing in American WATERS. 
tie coast of North America; but recently a few turbot have 
been taken off the coast of New Brunswick, and it is thought 
their feeding-grounds will yet be found along our shores. 
THIRD CLASS OF FISHES. 
CARTILAGINOUS FISHES. (Chondropterygii.) 
Seule of Feet. 
Suarxs.—l. Large-spotted Dog-fish, Scylliwm catulus. 2. Tope, or Penny-dog, Galeus 
vulgaris. 3. Blue Shark (the most common shark on our coasts), Carchartus glau- 
cus. 4. Porbeagle, Lamna cornubica. 5. Small-spotted Dog-fish, Seylliwim canicula. 
6. Picked (or Piked) Dog-fish, Acanthias vulgaris. 7. Smooth Hound, Mustelus levis. 
Scale of Feet. 
Srurceon anp Coimera Faminies.—l. Common Sturgeon of the Atlantic, Acipenser 
sturio. 2. Northern Chimera, Chimera monstrosa. 3. American Lake Sturgeon, 
Acipenser rubicundus. 
