124 F. Day — Monograph of Indian Cyprinidce. [No. 2, 



13. Labeo falcatus. 



Cyprinus (Bangana) falcata, Gray and Hard. Ind. Zool. 



Gobio malacostomus, McClelland, Ind. Cyp., p. 280. 

 Labeo malacostomus, Cuv. and Val., XVI, p. 365. 

 Labeo falcatus, Giinther, Catal. VII, p. 58. 



B. III. D. 2/11, P. 17, V. 9, A. 2/5, C. 19, L. 1. 43, L. tr. 8 J/7*. 



Length of head 2/11, of caudal 2/11, height of body 2/9 of the 

 total length. 



Eyes: — diameter 1/6 of length of head, 3 diameters from end of 

 snout ; 2 diameters apart. 



Snout obtuse, projecting, with a distinct lateral lobe, mouth 

 broad, directed downwards when the upper jaw is protruded. A 

 distinct inner fold in the entire circumference of both lips, the 

 lower of which is the thickest. One pair of short maxillary barbels. 



Fins. — Dorsal commences midway between the end of the snout 

 and the posterior end of the base of the anal fin, its upper margin 

 concave. Caudal deeply forked, its lower lobe the longest 



Lateral line: — 4£ rows of scales between it and the base of the 

 ventral fin. 



Habitat. — Bengal, Assam and Sikkim. It attains three feet in 

 length. 



14. *Labeo diplostomus. 



Varicorhinus diplostomus, Heck., Fish. Caschmir, p. 67, t. 11. 



Labeo diplostomus, *Cuv. and Val., XVI, p. 360 ;* Giinther, Catal. 

 VII, p. 57. 



Tijlognathus Valenciennesii, Heckel, in Hiigel's E-eise &c, IV, p. 

 378 and in liusseggers Eeisen, II, 3, p. 283 (no description). 



B. III. D. 13, P. 8 (?) V. 10, A. 8, C. 17, L. 1. 45, L. tr. 8/7. 



Length of head 1/6, height of body 1/5 of the total length. 



Eyes — small, situated before middle, of the length of the head. 



Snout obtuse, projecting over the mouth and having a small 

 lateral lobe. Some pores on the snout, mouth broad : lips thick, 

 continuous, with an inner fold in their entire extent, but most 

 developed on the lower lip which also is fringed. Two small 

 maxillary barbels. 



Fins. — In the single individual of 9 inches in length the upper 



