824 F. Dajr — Monograph of Indian Cyprinidae. [No. 4, 



size and sometimes irregularly disposed. Lateral line passing to the centre 

 of the base of the caudal fin. 



Geographical distribution. Rivers of Western Asia extending east- 

 wards to those in the Sind hills. 



Synopsis op species. 



A. Barbels two 



1. ScapModon Watsoni, D. 3/10, A. 2/7, L. 1. 33. An osseous serrated dorsal ray. 

 Scales regularly arranged. Sind hills. 



2. „ irregularis, D. 3/10, A. 2/7, L. 1. 36. An osseous, serrated, dorsal 

 ray. Scales irregularly arranged. Sind Mils. 



1. Scaphiodok Watsoni. 



B. Ill, D. 3/10, P. 15, V. 8, A. 2/7, C. 19, L. 1. 33, L. tr. G/G. 



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

 length. Eyes situated in the commencement of the anterior half of the 

 head, diameter 2/9 of length of head, li diameters from the end of the snout. 

 Interorbital space somewhat convex. Snout rounded and covered with 

 glands ; mouth transverse, inferior, mandibles sharp not enveloped in lip, 

 and having a horny layer inside. A pair of maxillary barbels as long as 

 the eye. Fins, dorsal commences rather in front of the ventrals, and mid- 

 way between the end of the snout and the base of the caudal, its last undi- 

 vided ray strong, osseous, serrated, as long as the head without the snout, 

 and nearly as long as the branched rays, which are two thirds as high as the 

 body Pectoral as long as the portion of the head posterior to the angle of 

 the mouth, but not reaching the ventrals. Caudal forked. Lateral line, 

 very slightly curved, 3^ rows of scales between it and the ventral fin. Co- 

 lours silvery, dashed with gold, lightest on the abdomen. Various and very 

 irregular black spots on the body. 



Hob. — Sind hills. I have much pleasure in naming this species after 

 H. E. Watson, Esq., who largely assisted me in making collections of speci- 

 mens of natural history whilst in Sind. 



2. SCAPHIODON IREEG-r/LARIS. 



B. Ill, D. 3/10, P. 17, V. 8, A. 2/7, C. 19, L. 1. 38, L. tr. 9/9. 



Length of head, caudal fin and height of body, each 1/5 of the total 

 length. Eyes, situated in the commencement of the anterior half of the 

 head, 1-| diameters from end of the snout and apart. Interorbital space 

 nearly flat, snout somewhat rounded, covered with glands and having a de- 

 pression across it from eye to eye. Fins, dorsal commences rather before 

 the ventrals midway between the end of the snout and the base of the cau- 

 dal fin, its third undivided ray is osseous, weak, and serrated, nearly half as 

 long as the head, whilst the fin is three fourths as high as the body. Pec- 

 toral nearly as long as the head ; caudal forked, its lower lobe the longer. 



