1922.] 



S. L. Hora : Central Asiatic Cobitidae. 



7* 



This species exhibits sexual dimorphism and the males can 

 readily be distinguished by a tuberculate pad below the eye. 



The secondary bladder is large and constricted in the middle. 

 It differs from the normal Cyprinoid type in the fact that the 

 pneumatic duct here opens at the anterior end instead of in the 

 constricted region. 



Text-fig. 2. — Cobitid fishes from Eastern Tibet . 



a. Lateral view of Nemachilus tibetanns Regan. 



b. Under sulfate of head anH chest of same. 



c. Lateral view of Diplophysa steivarti, sp. nov. 

 </. I'nder surface of head and chest of same. 



The colour in spirit is characteristic of the species. There 

 are short black bars along the lateral line and on the back. The 

 belly and under surface of the head and also the general colour of 

 the body is pale olivaceous. The dorsal and the caudal fins are 

 marked with black. 



Type-specimen. — F. 2894/1, Zoological Survey of India (hid. 

 Mus). 



Locality : — The specimens were collected by Capt. R. S. 

 Kennedy, I.M.S., and Capt. F. H. vStewart, I. M.S.. in a small 



