1871.] F. Day — Monograph of Indian CyprinidfC. 107 



B. Ill, D -^ 8 , P. 17, V. 9, A. f, C. 18, L. 1. 33, L. tr. 4*-4 J. 



Length of head nearly £, of caudal |, height of body £, of dorsal 

 fin -§- of the total length. 



Eyes. — Diameter rather above £ (~) of length of head : 1£ dia- 

 meters from end of snout and apart. 



Head rounded, somewhat depressed. A deep cleft extending 

 from the snout to the angle of the mouth. Lips rather thick and 

 reflected from off either jaw which have sharp edges, but are des- 

 titute of any horny covering. Edges of lips not fringed, their 

 surface covered with round hard pores. Some fine pores also on 

 the cheeks, and snout. 



Fins. — Dorsal commences in advance of the ventrals. Pectorals 

 and ventrals nearly horizontal, the outer seven rays of the former, 

 and two of the latter unbranched. Caudal forked. 



Scales — 2£ rows between the lateral line and base of the ventral 

 fin. 



Air bladder — rather large, divided by a constriction into an ante- 

 rior and posterior portion, and not enclosed by bone. 



Colours. — Eeddish brown with irregular black blotches forming 

 badly defined bands, in places passing over the back. Three bars 

 on the caudal and some black on the anterior half of the dorsal. 



Habitat.— Hill streams and rapids in N. E. Bengal and Assam. 



2. *PsiLORHYNCHUS SUCATIO. 



Cyprinus sucatto, Ham. Buch., Fish. Ganges, pp. 347, 393 ; *Cuv. 

 and Yal. XVI, p. 448. 



Psilorliynclws sucatto, McClelland, Ind. Cyp., pp. 300, 429, pi. 

 1. f. 1, (from H. B.'s MS.) ; Giinther, Catal., vii, p. 343. 



B. Ill, D. 9, P. 13, Y. 9, A. 7, C. 16. 



Snout much longer than the remainder of the head. The eyes are 

 represented as large, but only stated to be far back and globular. 



Fins. — Dorsal high, anteriorly with a very oblique upper margin. 



Colours. — Superiorly greenish, with scattered dots ; sides clouded, 

 abdomen whitish. Fins dotted. 



Habitat. — Rivers of Northern Bengal, attaining about 3 inches 

 in length. 



