27. GTMNOCTPRIS. 169 



The small size of the scales induces me to believe that the fol- 

 lowing species belongs to this genus rather than to Barhus: — 



13. ScMzothorax (?) microlepis. 

 Barbus microlepis, Keyserling, Zeitschr. ges. Ntrwiss, xvii. p. 7, taf. 1. 

 D. 12. A. 8. 

 Lateral line formed by lu8 scales. The height of the body is less 

 than the length of the head, which is one-fourth of the total (with- 

 out caudal) ; head rather low, with the snout produced, the upper 

 jaw being longer than the lower. The origin of the dorsal fin is in 

 advance of that of the ventral, and midway between the end of the 

 snout and the root of the caudal. The osseous dorsal ray is very 

 strong and serrated. Anal fin small. {Keys.) 



River near Anardareh, between Herat and Lasch. 



Barhus miliaris, De Filippi, Yiagg. in Persia, p. 358, observed 

 near Teheran, is not sufiiciently well described to enable us to point 

 out the specific differences between it and B. microlepis. It would 

 appear to have the dorsal fin placed somewhat more backwards, its 

 origin being above the root of the ventrals. L. lat. 92. 



26. PTYCHOBARBUS. 



Ptychobarbus, Steindachner, Verh. zool.-bot. Ges. Wietif 1866, p. 789. 



Body covered with very small scales; lateral line running along 

 the middle of the tail. Dorsal fin without osseous ray, opposite to 

 the ventrals ; anal fin very short. A deep groove runs from the dorsal 

 to the caudal fin. Snout conical ; mouth inferior, arched ; man- 

 dibles of usual length and width. A barbel at the angle of the 

 mouth. Vent and anal fin in a scaly sheath. Pharyngeal teeth 

 compressed, 4 . 3 — 3 . 4. 



Tibet. 



1. Ptychobarbus conirostris. 

 Steindachner, I. c. p. 790, taf. 17. fig. 4. 



D. 11. A. 8. V. 10. L. lat. oa 100. 

 The height of the body is contained nearly six times in the total 

 length (without caudal), the length of the head four times and one- 

 sixth. Snout much longer than the eye, the diameter of which is 

 one-fourth or one-fifth of the length of the head ; barbel at least as 

 long as the eye. The root of the ventral is opposite to the posterior 

 part of the dorsal fin, the origin of which is a little nearer to the 

 end of the snout than to the root of the caudal. Body and fins with 

 numerous smaU irregular blackish spots. {Steindachner.) 

 Hanle (Tibet). 



27. GYMNOCYVRIS. 



Body nearly entirely naked ; lateral line running along the m.ddle 

 of the tail. Dorsal fin without osseous ray, opposite to the ventrals : 



