354 



RT.rORT dX FISHES. PART II: SISORIDAF. AND CY I'RI NIUAK 



tents (if tlii^ adult specimens, Ikiwcvct, slmus tliat tin- siK-ries, wlicn full s^niwn, feeds 

 exclusively on vegetable matter. 



Parasites: Day already observed in ctinnection with the specimens obtained by the 

 Second Yarkand Mission that "these fishes ai)i)ear to be much attacked by parasites, which 

 occasion yellowish elevated tubercles, not only on the head and body but also on the dorsal 

 fin." The specimens under report not only show similar parasitism but in the intestine of 

 certain si)ecimcns taken at the streams l^etween Tangtse and Mugleb a species of Acantho- 

 cephalaii worm has also been fmuid. I'^rdUi a single specimen as many as eleven worms were 

 collected. 



t^. 



/: 



17 



Figure 17. Schhopygo/'sis stolicckac Steiiidaii.iicr. Air-ljladdcr of (a) a young specimen, 72 mm. lung, 

 from a stream above Lukong, Indian Tibet, and (/)) an adult specimen, 300 nun. long from .Spitol<, Indian Tiliet. 

 Nat. size. 



Distributii'ii: The species is widely distributed "from I'.adak.shan and the Pamirs to the 

 Eastern Ilim.ilaya including the u])pcr waters of the O.xus, Indus, Sutlej and Urahmaputra 

 ( Tsauj^-iio 1. (_)n the south face of the llimahiya it has hitherto lieen found in the Chumbi 

 Valley." 



(lenus r>!/^lychiis .Steind.achner (1866) 

 Pipl yell IIS iiKiciihiliis Steindaclmer 



1866. Diptychtis maculatus, Steindachner, I'l-iii. Zool.-hul. (,'cs. W'icii. X\'l. y. 7i:^'f>. fig. 6. 

 1868. Diptychus macitlalus, Giinthcr, Cat. l-'isli. Brit. Mtis., VII, \>. 171. 

 1876. Diptychus imiculalus, Day, Proc. Zool. Soc. London, p. 272. 



