APPENDIX C. 
241 
uniform silvery^ with the back greenish ; sometimes the whole back 
and the tail brownish black. 
Citharinus latus, Miill. & Trosch. 
D. 22. A. 26. V. 11. L. lat. 68. 
Adipose fin larger than in the preceding species. 
Alestes. 
Body compressed^ covered with large scales. The dorsal fin is 
shorty without spine^ and placed in the middle of the length of the 
body ; a small adipose fin behind the dorsal ; anal fin rather long. 
Body ohlong_, covered with scales of moderate or large size ; belly 
rounded. Cleft of the mouth rather small. Maxillary teeth none ; 
intermaxillary teeth in two series ; those of the front series more 
or less compressed^ more or less distinctly tricuspid ; the teeth of 
the hinder series are broad^ molar-like, each armed with several 
pointed tubercles. Teeth in the lower jaw in two series : those in 
the front series laterally compressed, broader behind than in front ; 
the hinder series is composed of two conical teeth. All the teeth 
are strong, few in number. Nostrils close together, separated by 
a valve only. Gill-opening wide, the gill membranes being united 
for a short space only, and not grown to the isthmus. 
VOL. II. 
16 
