REPORT ON FISHES. PART II: SISORIDAE AND CYI'RINIDAE 



329 



Of tliese 4 specimens, 2 from Kalatse and 1 from Leh are females, while the remain- 

 iiit^- 1 from Kalatse, 128 mm. long, is a male. Hora (op.cif., 1934) ol)served that the species 

 exhibits sexual dimorphism. In the males there is a sharp, conical and well-defined papilla 

 projecting behind the anal opening. In the females there is no anal papilla but the vent is 

 bordered by prominent, fleshy lips. The secondary sexual characters noted above are well 

 marked in the specimens under report (Text-figure 1, a-b). 



Figure 1. Glyploslcrnuin rclkulatum McClelland. Anal region of a male specimen and a female specimen 

 from rapid streams at Kalatse, Indian Tibet, showing sexual diflferences and form and position of anal opening 

 and structures of anal papilla in male. X ca. 2. 



Distribution: Glyptoslcnuiin rcticnlatiiiii is "widely distrilmted in the head waters of 

 the Indus (Basgo, Sneema, Leh, Ladak and the Kashmir valley), of the Kabul River (Sri-i- 

 Chusma, Tulraiz, Paghman and the Chitral valley), of the Syr-Darya and the Amu-Darya 

 in the Eastern Turkestan (Oxus system)." 



Family CYPRINIDAE 



Subfamily CYPRININAE 



Genus Labco Cuvier (1817) 



Labeo diplostomiis (Heckel) 



18.38. I'aricorliimis diplosluiims, Heckel, Fischc ans Cascliniir, jip. 67-75, i)l. xi. 



1839. Gobio ricnorhynchus, McClelland, Asiat. Res. (Ind. Cyprin.), XIX, pt. ii, pp. 279, 363- 



364, pi. Iv, fig. 1. 



1844. Tylognathiis valcncicmicsii, Heckel, Fischc Kasclunir's in Hugd's Rcise, p. 378, fig. xiii. 



1868. Labco diplostomus, Gunther, Cat. Fish. Brit. Mns., VII, p. 57. 



1877. Labco diplosloiints. Day, Fi.<;h. India, p. 540. pi. cxxix, fig. 2. 



1889. Labco diplostomus, Day, Faun. Brit. Ind., Fisli., I, pp. 265, 266. 



1913. Labco diplostomus, Zugmayer, Die Fische von Balutschistan (Munchcn), p. 26. 



