596 



SADDLED MACKREL. 



Scomber Equula. S. argenteus, fronte carinis duabus osseh? 



occipite spinis duabus retroversis. 

 Silvery Mackrel, with, the front marked by two long keels and 



the hind-head by two reversed spines. 

 Centrogaster Equula. Lin. Gmel. 



Length nearly as in the preceding species : body 

 ovate, compressed, smooth, silvery, and covered 

 with very minute scales : head marked by two 

 converging bony keels, and beyond the eyes fur- 

 nished with two reversed spines : dorsal and anal 

 fin continued to the tail, which is bilobate or forked : 

 ventral fins connected by a membrane with four 

 sharp spines and six soft raj's. Native of the 

 Arabian seas : observed by Forskal. 



BROWNISH MACKREL. 



Scomber Fuscescens. S. fuscus, subtus albicans, cauda sub- 

 bifurca. 



JBrownish Mackrel, whitish beneath, with subbifurcate tail. 

 Centrogaster fuscescens. Lin. Gmel. 



Length five inches : upper mandible armed with 

 sharp teeth : dorsal fin continued along the whole 

 length of the back. Native of the Japanese sea. 



