1871.] F. Day — Monograph of Indian Cyprinidce. 353 



Genus, Schizopygopsis, ij{eind. PI. xxii, fig. 5, (from Steind.) 

 Abdomen rounded. Snout obtusely conical. Mouth transversa, in- 

 ferior, with a slight cleft ; mandible with a sharp anterior edge, having 

 a horny covering, and the upper lip continuous with a short lateral one. 

 Barbels absent. Pharyngeal teeth compressed, 4 or 3, 3/3, 3 or 4. 

 Dorsal fin short, ivith a serrated rag, and situated nearlg opposite to 

 the ventrals ; anal short. Scales small, few, and only present in the 

 scapular region. A scaled sheath to vent and anal fin. Lateral line 

 continued to the centre of the base of the caudal. 

 Geograph ical distribution . — Tib et. 



Only one species known. 

 1. Schizopygopsis StoliczTcce, D. 4/7, A 2/5. Tibet. 



1. Schizopygopsis Stoliczkje. 



Steind., Verh. Zool.-bot. Ges. Wien, 1866, p. 783 ; Giinfclier, Catal. vii, 

 p. 170. 



B. III. D. 4/7, P. 13, V. 9, A. 2/5, 0. 19. 



Fins. Dorsal arises midway between the end of the snout and 

 the root of the caudal, its last half being posterior to the ventrals. 



Colours. Olive, with irregular blackish specks. 



Hab. Stream near the monastry of Hanle, Eastern Ladak, afc 

 about 15,200 feet elevation, where it was obtained by Dr. Stoliczka. 



Genus, Diptychus, Stein. PI. xxiii, fig, 1, 2. 



Abdomen rounded ; snout obtuse ; mouth inferior, transverse, curved ; 

 lower jaiv sharp, with an internal horny covering ; lips continuous and 

 having an uninterrupted labial fold across the mandible. Two maxillary 

 barbels. Gill opening narrow. Pharyngeal teeth compressed 4, 3/3, 4. 

 Dorsal fin without osseous ray, commencing opposite the ventrals ; anal 

 short ; caudal forked. Scales small, only on the sides of the body and 

 tail, also a scaly sheath to the vent and base of the anal fin. Lateral 

 line continued to the centre of the base of the caudal. 



Geographical distribution. — Tibet and Nipal. 



Only one species known. 



1. Diptychus maculatus, D. 3/8, A. 2/5. Tibet and Nipal. 



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