93. cuELA. 331 



92. EUSTIRA. 



Body oblong, much compressed, the entire abdominal edge being 

 trenchant. Scales of moderate size ; lateral line abruptly bent down- 

 wards behind the pectoral fin. Mouth obliquely directed upwards ; 

 barbels none. Dorsal fin of moderate length, without spine, opposite 

 to the anal ; anal fin long, many-rayed ; caudal fin forked ; pectorals 

 elongate ; ventrals well developed. Pseudobranchiae ; gill-rakers 

 fine, lanceolate, rather widely set. Pharyngeal teeth 5.3. 2 — 

 2.3.5, uncinate, not denticulated. 



Ceylon. 



1. Eustira ceylonensis. 

 D. 12. A. 17. V. 7. L. lat. 35. L. transv. 7|/2. 



The height of the body is two-sevenths of the total length (with- 

 out caudal), the length of the head one-fourth. The diameter of the 

 eye is more than the length of the snout, and one-third of that of 

 the head ; mouth of moderate width, the maxillary extending to 

 below the front margin of the orbit ; lower jaw slightly projecting 

 beyond the upper, without symphysial knob. Origin of the dorsal 

 fin slightly in advance of that of the anal. Pectoral fin shorter than 

 the head, extending to the ventral. Suborbital ring broad, covering 

 the cheek. The middle of the hind margin of the gill-membrane is 

 opposite to the praeopercular angle. Uniterm silvery. 



Ceylon. 



a-f. 45°"" long. Purchased of Mr. Cuming. 



93. CHELA*. 



Chela, sp., Buck. Ham., Bleeker. 



Oxygaster, v. Hass. Algem. Konst- en Letterb. 1823, ii. p. 133. 



Leuciscus, sp., Cuv. ^ Val. 



La;iibuca ct Macrochirichthys, Bleek. Cypr. Prodr. pp. 468, 475. 



Paralaubuca, Bleek. Ned. Tydschr. Dierk. ii. p. 15. 



Body oblong, much compressed, the entire abdominal edge being 

 trenchant. Scales ot moderate or small size ; lateral line without 

 abrupt bend above the pectorals. Mouth directed upwards ; barbels 

 none. Dorsal fin short, without strong spine, placed opposite to the 



* 1. Leuciscus cultellus, C. &f V. xvii. p. 341, pi. 507 ; Pelecus cultellus, Jerdon, 

 Madr. Journ. Lit. ^ Sc. xv. 1849, p. 326. — Coromandel, Carnatic. — 

 A, 17. L. lat. 130. 



2. scalpellus, C. # F. xvii. p. 347.— Ceylon.— A. 17. 



3. Chela owenii, Si/kes, Trans. Zool. Soc. ii. p. 361, tab. 63. fig. 1. — Dek- 



kan.— A. 19. 

 4-6. Chela jorah, Chela teekanee, Chela alkootee, Syke9, Trans. Zool. Soc. 

 ii. pp. 361-362, from the Dekkan, are so insufBciently described that 

 they can scarcely be regarded as introduced into the system. 



7. Pelecus affinis, Jerdon, Madr. Journ. Lit. Sf Sc. xv. 1849, p. 326. — Mysore, 



Carnatic. — A. 15. - ». 



8. Oyprinus dancena, Ham. Buck. Fish. Gang. p. .342. — Ganges. — A. 20. 



9. Perilampus perseus, 3/' Cldl. Ind. Cypr. pp. 289, 395, tab. 40. fig. 5. — 



Assam. — A. 21. 



10. fulvesc«ns, Blyth, Jourtt. As. Soc. Boig. xxii. 1861, p. 163. — Tcn- 



nasscrim. — A. 22. 



