354 F. Day — Monograph of Indian Cyprinidce. [No. 4, 



1. DlPTYCHUS MACULATUS. ^1. Xxiii, fig. 1, 2. 

 Steind., Verh. Zool.-bot. Ges. Wien., 1866, p. 788, t. 13, fig. 5 ; Gimther, 

 Catal. vii, p. 171. 



B. III. D. 3/8, P. 15, V. 9, A. 2/5, C. 19. 



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

 total length. 



Eyes. Diameter 2/9 of length of head, 1| diameters from end 

 of snout, H apart. 



Barbels scarcely as long as the eye. 



Fins. Dorsal anterior to the ventral, its last ray being above 

 it, whilst it commences slightly nearer snout than root of caudal. 



Colours, — bluish, lightest inferiorly, indistinctly blotched and 

 spotted, dorsal and caudal fins also spotted. Some specimens have 

 longitudinal streaks. 



Hah. Near Lei in Ladak, about 12,000 feet above the sea, also 

 near Puga and Khorzok in Pupshu, at 14,000 to 15,500 feet, where 

 it was obtained by Dr. Stoliczka ; Nipal. It attains 5 or 6 inches 

 in length. 



*Genus, Ptychobarbus, Steind. PI. xxiii, f. 3, (from Steind.) 

 Abdomen rounded, snout conical, mouth arched, inferior. Two 

 maxillary barbels. Pharyngeal teeth compressed 4, 3/3, 4. A de 

 groove exists along the back, from the dorsal to the caudal fin. Dorsal 

 fin without osseous ray, situated opposite the ventrals ; anal short. 

 Scales small, covering the body, and forming a sheath at the base of the 

 vent and anal fin. Lateral line continued to the centre of the base of the 

 caudal. 



Geographical distribution. — Tibet. 



Only one species known. 

 1* Ptychobarbus conirostris, D. 11, A. 8. Tibet. 



1 * Ptychobarbtjs conirostris, PI. xxiii, f. 3, (from Steind.) 



Steind., Verh. Zool.-bot. Ges. Wien. 1866, p. 789, t. 17, f. 4 ; *Gunther, 

 Catal. vii, p. 169. 



B. III. D. 11, Y. 10, A. 8, L. 1. 100. 



Length of head about 1/4 (6/25), height of body 1/6 of the total 

 length. 



Eyes. Diameter 1/4 to 1/5 of length of head, 1J diameters from 

 end of snout. 





