ZOOLOGY. 167 



An exceedingly fierce and voracious tribe, devouring eyery 

 animal they can master, and often injuring the cables of ships 

 whilst lying at anchor : they arc mostly natives of Northern 

 Seas. 



16. Xiphias. SwoRD-Fisn. Body slender, without scales ; 

 upper jaw extending to a great length, hard, slender, 

 pointed; ^ee^/i wanting; gtll-membrane e'i§ht rayed. 



17. Zipothece. Scabbard-Fish. Boclj/ compressed, cari- 

 nated, cnsiform ; /««?«</ lengthened ; eyes large; no true 

 ventral Jins. 



18. Stromoetus. Body oval, broad, slippery; head com- 

 pressed; teeth in jaws and palate ; tail forked. 



19. Sternoptyx. Iiof/?/ compressed, without apparent scfl/ie*/ 

 head obtuse ; teeth very small ; aperture to the gills, 

 oblique, with sojt covers. 



ORDER II. 

 JUGULARES. — JUGULAR. 



SILLS BONY; VENTRAL FINS PLACED BEFORE THE 

 PECTORAL. 



Most if not all the genera in this order are useable as food, 

 they are generally very prolific, and are amor.g the most 

 useful as regards Man. There are seven genera in the 

 Order. 



M 4 



