SALMONID^. CLUPIN^. 293 



falcate^ the last rays prolonged into filaments; anal 

 fin rather lengthened^ falcate. 



M. cyprinoides. Bl. 403. filamentosus. Russ. pi. 203. 



Engraulis C. Mouth very large^ opening horizontally, 

 and placed beneath the snout, which is rather pointed, 

 and projects over the under jaw; maxillaries consi- 

 derably prolonged, and armed with acute tooth-like 

 processes at their edges, and often with numerous 

 close-set teeth, both on the jaws and palate *; belly 

 either smooth or serrated ; dorsal between the ventral 

 and anal fins, 

 encrasichlorus. Bl, 302. albus. Russ. pi. 187. (Nattoo,) 



Clupea Linn. Mouth small, the teeth almost imper- 

 ceptible, or entirely wanting ; maxillaries short, their 

 extremities broad, and the margin curved ; belly 

 always compressed, carinated, and generally ser- 

 rated. 



Thryssa Cuv. General aspect of the anchovy (En- 

 graulis), but the body is broader, the mouth enormous, 

 and opening almost vertically ; jaws even; eyes placed 

 close to the tip of the muzzle ; ventral fin minute ; 

 anal fin very long. 



Th. megastoma. Russ. ii. Hamiltonii. Gray. Ind. Zool. 



pi. 190. sub-spinosa. lb. pi. 189. 



Cuvierii Sw. lb. pi. 194. malabaricus. Bl, 432. 



Chatoessus Cuv. Mouth small, without teeth ; the 

 upper jaw usually longer than the lower ; belly com- 

 pressed, carinated, and serrated ; dorsal fin central ; 

 the last ray prolonged into a lengthened filament. 

 C. nasus. Bl, 439. f. 1. 



Clupea Linn. Mouth very small, obliquely vertical ; 



teeth very minute or none ; jaws nearly equal, the 



upper sometimes notched ; belly always carinated, and 



. sometimes serrated ; dorsal fin placed over the ventral, 



* See Russell, ii. pi. 1$7. 

 U 3 



