ZOOLOGY. 167 



An exceedingly fierce and Toracious tribe, devouring erery 

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

 whilst lying at anchor : they are mostly natives of Northern 

 Seas, 



16. Xiphms. Sword-Fish. Body slender, without scales ; 

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

 pointed; teeth \\dLi\iing; gill-membrane eight ray eA. 



17. Zipothece. Scabbard-Fish. Body compressed, cari- 

 nated, ensiform ; Aeat/ lengthened ; eye* large ; no true 

 ventral Jins. 



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



pressed; teeth in jaws and palate ; tail forked. 



19. Sternoptyx. Body compressed, without apparent scales ; 



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

 oblique, with so^t covers, 



ORDER II. 

 JUGULARES. — JUGULAR. 



GILLS 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 among the most 

 useful as regards Man. There are seven genera in the 

 Order. 



M 4 



