214 



ZOOLOGY 



SECT 



the pectoral are armed each with an anterior ossified spine, and 

 the pelvic fins, when present, are abdominal in position. 



FIG. 887. Rita buchanani, one of the Siluroids. b. barbel ; d.f. r. 1, first dorsal fin-ray; 

 d. f. 2, adipose fin ; pet. f. r. 1, first pectoral fin-ray ; po. f. pelvic tin ; v. f. ventral fin. 

 (After Day.) 



Including the Cat-fishes or Siluroids (Fig. 887), Carp, Gudgeon, 

 Loach, Pike, Salmon and Trout (Fig. 865), Smelt, Grayling, Herring, 

 Anchovy, Eel, &c. 



Sub-order b. A nacanthini. 



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 



d.f.3 



FIG. 888. Gadus morrhua (Cod), an. anus ; c. /. caudal fin ; d. /. 1 3, dorsal fins ; mx. 

 maxilla ; pet.}', pectoral fin ; pmx. premaxilla ; po. /. pelvic liu ; t>./. 1 and 2, ventral lins. 

 (After Cuvier.) 



or jugular. Including the Cod (Fig. 888), Haddock, Whiting, 

 Hake, Ling, and the Pleuronectidse or Flat-fishes (Fig. 893), such 

 as the Sole, Flounder, Turbot, &c. 



Sub-order c. Acanthopteri. 



Teleostei in which the air-bladder, when present, has usually 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. 



