102 
INDIAN FRESII-WATER FISHES. 
Abdomen sharp from the pectorals backwards. 
Lower jaw prominent. 
Scales deciduous, extending forwards on the nape 
to above the posterior margin of the orbit. 
Pectoral fin, when laid backwards, reaches the 
ventral. 
9. Chela argentea. 
Hab. Bowany Biver, at the base of the Neilgherries. 
6 inches. 
This species is perhaps the same as the Chela diffusa 
which comes from the Cauvery Biver, in which case 
the latter name would have to be adopted, as having 
the priority. 
Char. Anal rays 18. Scales 43 to 45. 
Suborbital ring broad, covering the cheek. 
Lower jaw not projecting. Origin of anal below 
the foremost rays of the dorsal fin. 
Pectoral fin very long, extending beyond the origin 
of the ventral. Thorax not sharp. 
10. Chela boopis. 
Hab. South Canara. 5 inches. 
Char. Anal rays 18. Scales 37. 
Suborbital ring broad, nearly covering the cheek. 
Origin of anal below the hinder part of the dorsal fin. 
Eyes large. Thorax smooth. Dorsal, anal, and 
caudal fins tipped with black. 
The two following species differ from all the species 
previously described in not being so long in the body. 
