1. GADU8. 327 



»##» TVw dorsal, one anal, and a separate caudal. 



Ventnals well developed, with broad base ; 8trong 

 teeth in the jaws and on the vomer ; barbel 

 none 6. Merluccius, p. 344. 



Ventrals with flat base and several rays ; vome- 

 rine teeth none ; jaws with an outer series oi 

 stronger teeth. A barbel 7. Lotella, p. 346. 



Ventrals with flat base and several rays ; vome- 

 rine teeth none ; teeth in the jaws vilUform, 

 ofequalsize. A barbel 8. Physiculus, p. 348. 



\trutral8 with flat base and several rays; vome- 

 rine teeth none. The first dorsal well deve- 

 loped. Barbel none 9. Uraleptus, p. 349. 



Ventrals with stylifonn base and several rays ; 

 vomerine teeth none ; teeth in the jaws villi- 

 form, of equal size. A barbel 10. Pseudophycis, p. 350. 



Ventrals reduced to a bifid filament ; first dorsal 

 withS-lOrays 11. Phycis, p. 351. 



Ventrals reduced to a bifid filament ; first dorsal 



with five rays 12. L^emonem a, p. 35<J. 



Ventrals with flat base and several rays ; vome- 

 rine teeth. First dorsal with four rays 13. Haloporphyrus, p. 358 



The first dorsal well developed, with 10-13 rays ; 

 ventral composed of several rays. Head not 

 compressed. Vomerine teeth ; all the teeth 

 vilUform 14. Lota, p. 359. 



The first dorsal well developed, with 10-16 

 rays; ventralcomposedof several rays. Head 

 not compressed. Several large teeth on the 

 mandible and on the vomer 15. Molva, p. 361. 



The first dorsal well developed, with six rays ; 

 head compressed. Vomerine teeth. A barbel. 16. Hypsiptera, p. 362. 



The first dorsal reduced to a band of fringes ; 



head compressed 17.- CoucniA, p. 363. 



The first dorsal reduced to a band of fringes ; 



head not compressed 18. Motella, p. 364. 



The first dorsal rudimentary, short. A barbel... 19. Ranioeps, p. 367. 



The first dorsal reduced to a single ray on the 



occiput 20. Bregm ACEROS, p. 368. 



***** One dorsal and one anal. 



Ventrals composed of several rays ; vomerine 



and palatine teeth 21 . Brosmi us, p. 369. 



1. GADUS*. 



Gadus, sp., Artedi, Genera, jp. 19. 



Gadus et Merlangus, Cuv. Mccpie Anim. 



Morua et Merlangus, Risso, Eur. Merid. iii. pp. 225, 227. 



Morrhua et Merlangus, Auct. 



Body moderately elongate, covei*ed with small scales. A separate 



* 1. Gadus gracilis, Tilei. Mem. Ac. Sc. Sf. Pefersh. ii. 1810, p. 354. tab. 18 



Kamtschatka. -. 



