156 COMMERSON'S POLYNEME. 



tail forked, but less deeply than in the preceding 

 species, and covered with scales to the edge of the 

 fin : thoracic processes on each side four in number, 

 and remarkably short, scarce exceeding the length 

 of an inch and half. Native of India ; esteemed 

 for the table, and, like the former, called Rowball 

 by the English. 



VIRGINIAN POLYNEME. 



Polynemus Virginicus. P. digit is sept em, cauda Integra. Lin. 



Syst. Nat. p. 1400. 

 Polyneme with seven thoracic filaments on each side, and 



entire tail. 



GILL-COVERS serrated : first ray of the dorsal fin 

 very short : tail broad and with sharp-pointed tips : 

 native of Virginia, and sometimes, like the Polyne- 

 mus Paradiseus, called by the name of Mango- 

 Fish. 



COMMERSON'S POLYNEME. 



Polynemus Commersonii. P. argentcus, lineis longitudinalibus 



fuscis, digit is utrinque quinquc ad pinna* rent rales cxtensis. 

 Silvery Polyneme, with longitudinal brown stripes, and five 



thoracic filaments on each side reaching as far as the ventral 



fins. 

 Polynemus lineatus. Cepede. 5. p. 40Q. 



LENGTH about ten or twelve inches : colour 

 silvery, with a blueish cast on the upper parts, and 

 marked on each side from head to tail by about 



