ZOOLOGY. 



167 



An exceedingly fierce and voracious tribe, deyouring eTcry 

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

 whilst lying at anchor : they are mostly natives of Northern 

 Seas, 



16. Xiphias, Sword-Fish. Body slender, without scales i 

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

 pointed; ^ee/A wanting ; gill-membrane eight rayed, 



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

 nated, ensiform ; lengthened ; eyes large; no true 

 ventral Jins. 



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

 pressed ; teeth in jaws and palate ; tail forked. 



19. Sternoptyx, J^or/?/ compressed, without apparent 5C«/e^/ 

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

 oblique, with sojt covers, 



ORDER 11. 



JUGULARES . — J UG ULAR* 



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 arc seven genera in the 

 Order. 



M 4 



