408 FISHES. ABDOMIXALES. 



E. atherinoides, Cuv. Body brownish, with a broad silvery longi- 

 tudinal band on each side. 10 inches long. Inhabits Indian 

 Seas Block, pi. 408, fig. 1. 



E. Malabaricus, Cuv. Lower jaw bent upwards, and anal fin very 

 long ; body silvery. 12 inches long. Inhabits Indian Seas. 

 Block, pi. 432. 



Gen. 21. THUISSA, Cuv. Mystus, Lacep. Clupea, Lin. 

 Maxillary bones with teeth, and prolonged into free points be- 

 yond the lower jaw ; anal fin long and united to that of the 

 tail. 



T. Mystus, Cuv. Body compressed, whitish, like the blade of a 

 sword ; belly carinated. Indian Seas. Lin. Amcen. Ac. iv. pi. 3. 



T. setirostris, Cuv. Body lanceolate, silvery, tinged with blue 

 above ; upper jaw terminating in a setaceous process. Inhabits 

 Indian Seas. Brouss. i. pi. 10. 



Gen. 22. GNATHOBOLUS, Schn. Odontognathus, Lacep. 

 Maxillary bones prolonged and moveable, with the points for- 

 ward; dorsal fin very small, and much behind ; no ventral fins. 



G. spinosus, Cuv. Body much compressed, carinated and armed 

 with twenty-eight spines, disposed in two rows below ; anal fin 

 very long ; tail forked. Indian Seas. Lacep. ii. pi. 7> fig- 2. 



Gen. 23. PBISTIGASTEH, Cuv. 



Body much compressed, without ventral fins ; belly projecting, 

 strongly dentated ; jaws as in the herring. 



P. triangularis. Body nearly triangular, silvery ; eyes very large : 

 anal fin extending to nearly opposite the dorsal fin ; tail forked ; 

 belly and space before the dorsal fin dentated. Inhabits Ame- 

 rican Seas Cuv. Reg. An. pi. 10, fig. 3. 



Gen. 24. NOTOPTERUS, Lacepede. Gymnotus, Pall. 

 Operculi and cheeks scaly ; two ridges on the lower jaw ; belly 

 carinated and dentated ; both jaws and palate with fine teeth ; 

 tongue with hooked teeth ; ventrals very small ; anal very 

 long, uniting with the caudal fin ; a soft dorsal fin opposite 

 the middle of the anal one. 



N. Kapirat, Lacep. (Gymnotus notopterus, Pall.) Dorsal fin very 

 short ; snout short and rounded; a small opening above the eyes; 

 scales variegated with gold and silver colour. About a foot long. 

 Inhabits Amboyna. Pall. Spic. vi. pi. 6, fig. 2. 



Gen. 25. ELOPS, Lin. 



Thirty or more rays in the branchial membrane ; belly neither 

 edged nor dentated ; caudal fin with a flat spine above and 

 below ; edge of the jaws and palate with crowded small teeth, 



