THE FISHES OF NEW JERSEY. 433 



This fish may be distinguished from the next chiefly by its 

 larger anal fin, containing about 16 rays. 



It has been introduced into the Delaware and Raritan basins, 

 but never appeared to flourish. It is an excellent food-fish and 

 reaches a weight of 100 pounds. 



Oncorhynchus tschawytscha J, Nelson, Rep. Geol. Surv. N. J., 

 II, ZooL, 1890, p. 690. 



Genus Salmo Linnaeus. 

 The Salmon. 

 Key to the species. / 



a. Shaft of vomer with 3 or 4 teeth in a single row, gradually lost from be- 

 hind forward with advancing age, and head of bone pentagonal and 

 toothless. 

 h. Marine ; larger, more elongate. sai<ar 



hh. Land-locked ; smaller, more plump. sai.ar sebago 



aa. Shaft of vomer with biserial teeth, sometimes zig-zag and a single trans- 

 verse row on triangular head of bone completing palatine series of teeth. 



E'ARIO 



Salmo salar Linnasus. 

 Atlantic Salmon. Salmon. 





Atlantic Salmon. Salmo salar Linnseus. 



A handsome large food-fish reaching a weight of 60 pounds. 



It may be distinguished from the preceding chiefly by the fewer 



anal rays, which are about 9 in number. Although said to have 



been formerly abundant in the Hudson, and occurring in small 



28 MU 



