PHYLUM CHORDATA 



Sub-order h. — AnacanfMni. 



221 



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

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



p'-iT 



Fia. 877.— Gadus inorrhua"(Cod). an. anus ; c. f. caudal fin ; d. f. IS, dorsal fins ; mx. maxilla ; 

 pet. ,/. pectoral fin ; pmx. premaxUla ; pv. ■/. pelvic fin ; v.f. 1 and *$, ventral fins. (After 

 Cuvier.) ._-^^^ 



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

 or jugular. Including the Cod (Fig. 877), Haddock, Whiting, 

 Hake, Ling, and the Pleuronectidas or Flat-fishes (Fig. 882), 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. 



pr-op 



Pia. 878.— Sebastes percoides. hr. m. branchicstegal membrane ; d.f. spinyportion of dorsal 

 fin ; d. /.' soft portion ; mx. maxilla ; op. opercular ; jtct. f. pectoral fin ; p.vix. preniaxilla ; 

 pr. op. preopercular ; pv. f. pelvic fln ; v. f. spiny portion of ventral fin ; v. /.' soft portion. 

 (After Richardson.) 



