Ifi6 eooLocr. 



9. Ammodytes. Launce. Borf^ long, encllning to quadran- 



gular; head small, slender; upper lip doubled in, 

 dorsal and anal fins extending nearly to the tail ; caudal 

 fin distinct. 



10. Ophidium. Borf^/ enslform ; head nearly naked ; teeth 

 in thejawSj palate, and throat ; gill-membrane seven 

 rayed. 



11. Triurus. Triple-Tail. 5rao«< cylindrical ; <oo^A single 

 in each jaw ; dorsal and anal fins extending beyond 

 the tail, from which circumstance it has the appearance 

 of possessing three tails. 



12. Leptocephalus. Mohris. Uoc??/ compressed, very thin ; 

 Aeacf small, narrow j pectoral fins wanting. 



13. Sttjlephorus. Body long, compressed ; eyes placed on 



a short thick projecting cylinder ; snout protruding, 

 Inclining upwards, retractile ; gills three pair, situated 

 beneath the throat ; pectoral fins small ; dorsal fin the 

 length of the back ; caudal fin short, with spinous rays. 



34. Trichiurus. Body compressed, enslform ; head length- 

 ened, the apertures lateral ; teeth ensiform, hooked, 

 front ones larger : tail subulate, "without a fin. 



15. Anarhichas. Wolf-Fish. Body long, roundish ; head 

 blunt ; front teeth conical, large, divergent ; grinders 

 large and flat; gill-membrane sis rayed ; tail fin 

 distinct. 



