i25^ SUA D. Class IV. 



The under jaw is rather longer than the upper : 

 the teeth very minute. 



The dorfal fin is placed very near the centre, is 

 fin all, and the middle rays are the longell : the 

 peroral and ventral fins are fmall : the tail vaflly 

 forked : the .belly extremely fharp, and moft flrong- 

 ly ferrated. 



The back is of a dufky blue : above the gills 

 begins a line of dark fpots, which mark the upper 

 part of the back on each fide ; the number of thefe 

 fpots is uncertain in different fifh, from four to 

 ten. 



The 



