48 



Centrolabrus exoletus, Linn. (Day, vol I-, p. 267, pi. 

 LXXVI.). The rock cook. 



Order ANACANTHINI. 



There are no spines ; the fin rays are soft, and 

 jointed ; the ventral fins if present are far forward ; the 

 air bladder if present has no duct. 



Family Gadid^ — the Cod family. 

 One of the most important families of fishes from the 

 economic point of view. 



Gadus viorrhua,lAnn. (Ds^y,Yo\ I.,p.275,pl.LXXVIII.). 

 The cod — probably the most useful of all fish to 

 man. No part of the body seems valueless. In 

 addition to its prime importance as a food, oil is 

 extracted from the liver, the head, tongue and sounds 

 can be made to form a good article of food, the offal 

 and bones when steamed, dried and ground up are 

 converted into very good manure said to be equal as 

 a fertilizer to Peruvian guano, the roe is a splendid 

 bait used in the sardine fisheries of France and Spain, 

 and from the swim-bladder isinglass is made. 

 Gadus ceglefinus, Linn. (Day, vol. I , p. 283, pi. 



LXXIX.). The haddock. 

 Gadus minutus, Linn. (Day, vol. L, p. 288, pi LXXXI.). 



The power cod. 

 Gadus merlangus, Linn. (Day, vol. I , p. 290, pi. 



LXXXIL). The whiting. 

 Gadus /«sc;/s,'Willughby (Day,vol.I.,p.286, pi. LXXX.). 



The bib. 

 GadiLS pollaclmis, Linn. (Day, vol. I., p. 296, pi. 



LXXXIIL). The pollack. 

 Merluccius vulgaris, Cuv. (Day, vol. I., p. 300, pi. 

 LXXXV.). The hake. 



