188 CLASSIFICATIOX OF FISHES,, ETC. 



Family 3. GADID.E. 



Body slimy ; scales minute, covered by the skin ; fins fleshy, 



all the rays soft ; ventral fins very small. 



1. Sub-family Gadix^. — Dorsal fins three * ; anal fins two. 

 Gadus. Dorsal fins three ; lower jaw with cirri. 

 Merlangcs. Dorsal fins three ; cirri none. 



Cephus. Head excessively large ; caudal truncate. 



Lepidio>'. Dorsal fins two ; anal fins united. 



TiLEsiA. Body lengthened ; caudal truncate ; dorsal equal. 



2. Sub-fam.ily Merluccius. — Dorsal fins two ; ventral fins 



with five distinct rays. 

 Merluccius. First dorsal triangular ; caudal lunate ; cirri none. 

 Lota. Somewhat anguilliform ; caudal rounded ; lower jaw 

 cirrated. 



MoTELLA. First dorsal with slender rays ; caudal rounded. 



3. Sub-family Physix^. — Dorsal fins two ; posterior ventral 



rays obsolete or wanting. 

 Raniceps. Head very large ; first dorsal as in Motella ; 

 ventral fins with the posterior rays obsolete. 



Physis. First dorsal triangular ; ventrals of a single ray. 



4. Sub-family Brosmix^. — Dorsal fins single. 

 Brosmia. Ventral fins small ; anal half as long as the dorsal. 



5. Sub-family Brotulik^. — Dorsal, caudal, and anal fins 



united. 



Brotula. Mouth with distinct cirri or barbels. 

 Pteridium. Cirri none ; ventrals of a single ray. 



FAiULY 4. SILURID.E. 



Body without regular scales, but sometimes loricated ; head 

 depressed; the mouth furnished with cirri ; the second 

 dorsal fin, where present, adipose. 



1 . Sub-family Loricarin'^. — Body mailed ; head de- 

 pressed! ; the mouth beneath. 



L.ORICARIA. Dorsal fin sinscle. 

 Htpostoma. Dorsal fins two. 



* Except Lepidion, f Except Hoplisoma. . 



