742 Opisthomi and Anacanthini 
The haddock (Melanogrammus eglifinus) closely resembles 
the cod and is of similar quality as food. It is known at sight 
by the black lateral line. It is found on both shores of the 
Atlantic and when smoked is the “finnan haddie’’ of commerce. 
Fia. 654.—Haddock, Melanogrammus eglifinus (L.). Eastport, Me. 
The pollack, coalfish, or green cod (Pollachius carbonarius) 
is also common on both shores of the north Atlantic. It is darker 
than the cod and more lustrous, and the lower jaw is longer, 
with a smaller barbel at tip. It is especially excellent when 
fresh. 
The whiting (Merlangus merlangus) is a pollack-like fish com- 
mon on the British coasts, but not reaching the American shores. 
Fic. 655.—Pollock, Theragra chalcogramma (Pallas). Shumagin I., Alaska. 
It is found in large schools in sandy bays. The Alaska pollack 
(Theragra chalcogramma) is a large fish with projecting lower jaw, 
widely diffused in the north, Pacific and useful as a food-fish to 
the Aleutian peoples. It furnishes a large part of the food of 
the fur-seal (Callorhinus alascanus and C. ursinus) during its 
migrations. The fur-seal rarely catches the true codfish, which 
