1871.] F. Day — Monograph of Indian Cyprinida. 131 



Lips thin, and but slightly reflected ; they are both fringed, with 

 two, three, or more rows of well developed papillae, internal to 

 their outer fringe. The rostral barbels do not reach the orbit, the 

 maxillary extend to beneath its centre. 



Teeth, pharyngeal, plough- shaped, 5, 4, 3/3, 4, 5. 



Fins. — The dorsal commences before the ventral, and much nearer 

 to the snout, than to the base of the caudal, its upper border is 

 somewhat convex ; caudal deeply forked. 



Scales : — 4£ rows between the lateral line and the base of the 

 ventral fin. 



Colours. — Greyish yellow, deepest superiorly, every scale being 

 darkest at its base. A darkish spot near the root of the caudal 

 fin, and another ill defined one near the commencement of the 

 lateral line. Fins, yellowish orange, dorsal darkest at its basal half. 



Habitat. — Sittoung and Billing in Burma. The largest speci- 

 men, out of seven, measures six inches in length. 



3. *0sTE0CHILUS CEPHALUS. 



Laheo cephalus, Cuv. and YaL, XYI, p. 347, pi. 487. 



B. III. D. 3/13, P. 20, Y. 9, A. 3/6, C. 19, L. 1. 36. 



Length of head 1/5, caudal about 2/9, height of body 1/4 of the 

 total length. 



Eyes : — two diameters from end of snout. 



The dorsal profile is much more convex than the abdominal. 

 Interorbital space convex. The snout scarcely projects beyond the 

 jaws, it is rather swollen and has many pores opening on its sur- 

 face ; the mandible has a transverse free edge, with thick lip, both 

 upper and lower being fringed. One pair of short maxillary 

 barbels. 



Fins. — The dorsal (from the figure) commences in advance of the 

 ventrals, its upper border is concave. The anal laid flat reaches 

 the caudal. 



Colours. — Greenish with the base of each scale darkest. 



Habitat. — Pegu attaining one foot in length. 



