25. SCHIZOTHOEAX. 163 



Scales very small. Dorsal fin with a strong osseous serrated ray, 

 opposite to the ventrals. Snout conicallj rounded, with the mouth 

 arched, inferior or subiuferior ; mandibles of usual length and width. 

 Barbels four. Vent and anal fin in a more or less developed sheath, 

 covered with enlarged, tiled scales. Pharyngeal teeth pointed, more 

 or less hooked, 5.3. 2—2 .3.5. 



Mountain-streams of the Himalayan region and of Afghanistan ; 

 one doubtful species from Persia. 



1. Schizothorax planifrons. 



Schizothorax planifrons, Heckel, Fische aits Caschmir, p. 44, tab. 8. 

 fig. 2. 



D. 10. A. 7. 



Scales minute. Mouth anterior, obliquely ascending forwards ; 

 jaws equal in length ; margin of the lower jaw not cutting, its inside 

 covered with a thin, deciduous cartilaginous layer*; lower labial 

 fold interrupted in the middle ; barbels about as long as the eye. 

 Origin of the dorsal fin conspicuously nearer to the root of the caudal 

 than to the end of the snout ; the osseous dorsal ray strong, three- 

 fifths as long as the head, armed behind with coarse teeth. Anal fin 

 narrow, reaching nearly to the base of the caudal when laid back- 

 wards ; caudal fin forked. The height of the body is one-fourth of 

 the total length (without caudal), the length of the head is contained 

 thrice and two-thirds in it. Interorbital space flat, the nuchal region 

 being rather prominent. Snout much longer than the diameter of 

 the eye, which is contained five times and a half in the length of the 

 head. Anal scales moderately developed, the largest being half as 

 broad as the orbit. 



Cashmere. 



a. Fine specimen, 7 inches long. Cashmere. From the Collection of 



Messrs. v. Schlagintweit. 



b. Stirfi'ed, 14 inches long. Cashmere. Presented by H. Drummond, 



Esq. 



2. Schizothorax inicropogon. 



The Ramghiu'di. 



Schizothorax micropogou, Heckel, Fische aus Caschmir, p. 41, tab. 8. 

 fig.l. 



D. 11. A. 8. 



Scales minute. Cleft of the mouth small, crescentic, obliquely 

 ascciuUng forward, the jaws being subcqual in length ; margin of 

 the lower jaw rounded, without horny covering ; lower labial fold 

 interrupted in the middle. Barbels minute. Origin of the dorsal 

 fin opposite to that of the ventral, considerably nearer to the root of 

 the caudal than to the end of the snout. The osseous dorsal ray is 

 strong and coarsely serrated. Anal fin narrow, its longest ray not 

 extending to the caudal when laid backwards. The height of the 



* This appoars to have been lost or ovorlookod in the spocimen examined bv 

 Ilfckel. 



.M 2 



