Systomus. INDIAN CYPRINID&. 381 
posterior cell of the air-vessel terminates in a sharp point. Systomus chrysosomus 
of the synopsis is probably a variety only of this species, which is generally 
distributed throughout the-rivers and ponds of all parts of India, sometimes 
weighing as much as two pounds, but generally much smaller ; it is however 
taken in vast abundance in some places, which makes up for its deficiency in 
size ; it is considered a sweet, wholesome food. 
IIl.—Systomus cHrysorpTerus, J. M. 
A short, well formed little species with red pectoral and ventral fins, with- 
out cirri or spots ; each operculum tinged with red ; upper parts of the body 
olive green, below silvery. The fin rays are, ~ 
D9 Pats iV.9 Avy: C18. 
Twenty three scales along the lateral line, and eight in an oblique line from the 
base of the ventrals to the dorsum ; the second ray of the dorsa! spinous, but 
smooth behind. This species would require to be further examined ; it abounds 
in the Bramaputra in Lower Assam, in the early part of the cold season. 
III.—Systomus TETRARUPAGUS, J. M. 
t. 44. f. 3. 
Cyp. titius, Buch. P. G. Borajalee of the Assamese. 
Depth of the body compared to the entire length, including the head and 
caudal, as one to three; body equally arched above and below, a black spot at 
either end of the lateral line. The fin rays are, 
DMO} PMD: V9" ALT C20: 
The stomach is a narrow fleshy tube, ending in a still narrower dark coloured 
intestine ; which, together with the stomach, is not much above the length of 
the body. 
This is a very common species in the Bramaputra, and is found in great 
abundance along with the last described. 
opel 
