xni PHYLUM CHORDATA 205 



Including the Cat-fishes or Siluroids (Fig. 827), Carp, Gudgeon, 



FIG. 827. Rita buchanani, one of the Siluroids. b. barbel ; d. j. r. 1, first dorsal fin-ray ; 

 d. f. 2, adipose fin ; pel. f. r. 1, first pectoral fin-ray ; pv. f. pelvic fin ; r. /. ventral fin. 

 (After Day.) 



Loach, Pike, Salmon and Trout (Fig. 806), Smelt, Grayling, 

 Herring, Anchovy, Eels, &c. 



Sub-order b. Anacanthini. 



Teleostei in which the air-bladder, when present, has, except in 

 one species, no pneumatic duct. The rays of the unpaired and of 

 the pelvic fins are all jointed, and the pelvic fins are either thoracic 

 or jugular. Including the Cod (Fig. 828), Haddock, Whiting, 



d.f.3 



FIG. 828. Gadusmorrhua(Cod). an. anus ; c.f. caudal fin ; d. . 13, dorsal fins ; mx maxilla ; 

 i>ct. f. pectoral fin ; pmx. pre-maxilla ; w. /. pelvic fin ; v. f. 1 and 2, ventral fins. (After 

 Cuvier.) 



Hake, Ling, and the Pleuronectidae or Flat-fishes (Fig. 833), such 

 as the Sole, Flounder, Turbot, &c. 



Sub-order c. Acanthopteri. 



Teleostei in which the air-bladder, when present, has no 

 pneumatic duct. More or fewer of the rays of the dorsal, ventral, 

 and pelvic fins are unjointed and have the form of strong spines. 

 The right and left bars of the fifth branchial arch are usually not 

 fused 



