284 INDIAN CYPRINID. 
I. Gen.—SYSTOMUS.* J.M. 
Cuar. Intermaxillaries protractile, dorsal and anal short, the former 
opposite to the ventrals and preceded by a spinous ray; body elevated, and 
marked by two or more distinct dark spots, or diffuse spots either on the fins 
or opercula, prominence on the apex of the lower jaw obscure. 
Oss. In the following species the depth of the body is equal to about 
half the length, and the spinous ray of the dorsal is serrated behind, except 
when otherwise described. 
Spec. S. immaculatus, J. M. t. 44. f. 5. 
Four cirri, a slight golden tinge on the opercula, fins dark, 
thirty-two scales on the lateral line and ten in an oblique line 
from the base of the ventrals to the dorsum. D.11: P.15: V.9: 
Aa, LO: 
Has. Small streams with sandy bottoms in Assam, and 
probably occasionally in the large rivers. 
Spec. S. chrysosomus, J. M. 
Two minute cirri, thirty-five scales along the lateral line ; 
opercula and suborbitar plates stained with gold yellow. D. 10: 
PUG 20V-8 2A. 8 4G. 19. 
Has. Bengal. Length about six inches.+ 
* From Systomos, that has a narrow mouth. 
+ From a figure in Capt. Burnes’ Collection, this species would also seem to be an inhabitant 
of the Indus; it is nearly allied to the preceding species, and is probably a variety only. 
