1872.] F. Day— Monograph of Indian Oyprinidce. 19 



minute. Cleft of mouth oblique and extending to under the anterior mar- 

 gin of the orbit, a bluntish knob at the symphysis. Tongue thick and trans- 

 versely corrugated. In large specimens, the posterior 2/3 of the inferior 

 surface of the lower jaw is dilated, so that they nearly meet at the anterior 

 extremity of the enlarged portion ; a row of well-developed glands along the 

 margin of the mandible. — Fins : the dorsal arises midway between the centre 

 of the orbit and the base of the tail, extending to over the anterior anal 

 rays, it is 2/3 as high as the body. Pectoral as long as head without the 

 snout, reaching the ventral which last does not extend as far as the anal. 

 Caudal forked. — Colours : several horizontal blue bars, the largest along the 

 middle line of the body and continued on to the tail. 

 Sab. — Base of Caro Hills. 



B. A PORTION OB THE WHOLE OE THE ABDOMINAL EDGE TRENCHANT. 



a. Dorsal Jin opposite the anal, which latter is elongated (9 to 21 

 branched rays.) 



Genus Perilampus, McClelland. 



Paradanio, sp. Day. 

 Cachius et Eustira, Giinther. 



Pseudobranchiae present. Body oblong, compressed, with a cutting ab- 

 dominal edge. Mouth obliquely directed upwards. Barbels absent. Pha- 

 ryngeal teeth in three rows 5, 4 or 3, 2 or 1/1 or 2, 3 or 4, 5 uncinate. Dor- 

 sal Jin rather short, without any osseous ray, and commencing opposite or 

 behind the origin of the anal, which last has many rays. Scales of moderate size. 

 Lateral line concave, passing to the lower half of the base of the caudal fin. 



Geographical distribution. Fresh waters of India, Ceylon, and Burma. 



Synopsis oe Species. 



o 



1. Perilampus atpar, D. 2/7, A. , L. 1. 55. India generally, and Burma. 



19 — 21 



2 



2. „ lauhuca, D, 2/9, A. p- -, L. 1. 34, Orissa i Bengal, and Burma. 



17 — 20 



3. „ Ceylonensis, D. 2/10, A._!.,L. 1. 35. Ceylon. 



15 



1. Perilampus atpar. 



Cyprinus cachius, Ham. Buch., Fish. Ganges, pp. 258, 384 (young) ; *Cuv. and 

 Val., xvi, p. 453. 



Cyprinus aPpar, Ham. Buch., 1. c. pp. 259, 384, (adult) ; *Cuv. and Val. xvi, p. 454. 

 Perilampus cachius, McClell., Ind. Cyp. pp. 289, 396, pi. 46, f. 6. 

 „ psHopteronms, McClell., 1. c. f. 4, (from H. B. M8S.) 



„ macropodus, Jerdon, M. J. L. and S., 1849, p 325. 



Paradanio elegans, Day, Proc. Zool. Soc. 1867, p. 297. 

 Cachius atpar, Giinther, Catal. vii, p. 339. 



