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1872.] F. Day — Monograph of Indian Oyprvnidce. 
Opsarius albubis , McClell., Ind. Cyp., pp. 296, 416, pi. 48, fig. 10. 
Chela Oivewii, Sykes, Trans. Zool. Soo. 1841, p. 361, pi. 63, fig. 1. 
Pelecus Owenm, *Jerdon, M. J. L. and S. 1849, p. 328. 
Chela plvulo, “Gunther, Catal. vii, p. 334; Day, Proo. Zool. Soo. 1869, p. 381. 
JPhul chela, Beng. Dunnahree, Hind. Took, Panj. 
B. III. D. 2/7, P. 13, V. 9, A. 1, C. 19, L. 1. 87, L. tr. 12/6. 
Length of head 2/11, of pectoral 1/5, of caudal above 1/5, height of 
body 1/5 of the total length. — Eyes : diameter 2/5 of length of head, 1/2 a 
diameter from end of snout, 1 diameter apart. Abdominal profile cutting 
posteriorly to the base of the pectoral fin. Third suborbital bone two-thirds 
as deep as the uncovered portion of the cheek below it. ihe maxilla extends 
to under the hinder margin of the orbit . — Tins : dorsal commences midway 
between the posterior extremity of the orbit and the posterior exti emity of the 
caudal fin, and slightly behind the origin of the anal. Caudal deeply forked, 
lower lobe the longer .— Lateral line : curves gently downwards .— Colours : 
silvery, with a bright silvery lateral band. 
JJctb. Bengal, Orissa and Central India as far southwards as the Tam- 
boodra and Kistna rivers ; attaining 1 inches in length. 
8. Chela sardinella. 
Leuciscus sa/rct/inella , Cuv. and Val., xvii, p. 344. 
Chela sardinella, # Gtinther, Catal. vii, p. 338. 
B. III. D. 2/7, P. 13, V. 8, A. 1, L. 1. 48, L. tr. 7 X 
Length of head 1/6, of pectoral 1/6, of caudal above 1/6, height of 
body 2/9 of the total length . — Eyes : diameter 2/7 of length of head ; 1 dia- 
meter from end of snout ; nearly 1 diameter apart. The bones of the fore- 
arm are not dilated and do not support the thoracic edge which is smooth, 
the keeled portion commencing opposite the pectoral tin. Suborbital ring 
of bones broad. — Teeth : pharyngeal, 5, 4, 3/3, 4, 5 .—Fins : dorsal commences 
above the anterior anal rays. — Colours, silvery. 
Hab . — Irawati river at Rangoon ; to 6 inches in length. 
9. Chela Pahjabensis. 
Took, Panj. 
B. Ill D. 2/7, P. 11, V. 6, A. -j|, C. 19, L. 1. ca. 110, L. tr. 12/9. 
Length of head 1/6, of caudal 1/6, height of body 2/9 of the total length. 
— Eyes : diameter 2/5 of length of head ; 1/2 a diameter from end of snout. 
The posterior extremity of the maxilla extends to nearly beneath the anterior 
margin of the orbit. Lower jaw the longer. The suborbital ring of bones 
is broad, and the third three times as deep as the uncovered portion of the 
cheek below it. Dorsal profile nearly horizontal ; abdominal edge cutting 
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