1. OPniOCEPHALTJS. 475 



rji, n, 0-}). Adult and half-grown. Ceylon, 

 (/-r. Young. Siam. From M. Mouhot's Collection. 

 s-t. Adult. Java. 



tt. Young. Philippine Islands. Purchased of Mr. Cuming. 

 v-]j. Adult : stufl'ed. East Indies. 



?2. Adult. China. Presented by the East India Company. — Tlie 

 body is rather more elevated than in the southern specimens. 



11. OpMocephalus polylepis. 

 Bleeker, Sumatra, i. p. 578. 



D. 40. A. 30. L. lat. 58. 



Large teeth in the jaws, on the vomer and the palatine bones. The 

 height of the body is contained seven times in the total length, the 

 length of the head three times and two-thii'ds, the length of the 

 caudal fin six times. There are about sixteen scales in a longitudinal 

 series between the eye and the gill-opening. The maxillary does 

 not extend to tbe vertical from the posterior margin of the eye. The 

 pectorals are half as long as the head, but much longer than the 

 ventral. Greenish, the lower part of the sides with about twelve 

 oblique blackish bands ; fins greenish ; dorsal and anal with two 

 black longitudinal bands or with two series of black spots ; the other 

 fins variegated with blackish. (Bhek.) 



Rivers of Solok (West Sumatra). 



12. OpMocephalus bankanensis. 



Bleeker, Natuurk. Tijdschr. Nederl. Inch iii. p. 726, and v. p. 187. 

 D. 40. A. 29-30. L. lat. 60-65. 



Several large teeth in the lower jaw, on the vomer and the palatine 

 bones. The height of the body is contained seven times and a third 

 to eight times in the total length, the length of the head four times 

 to four times and a quarter, the length of the caudal five times and 

 a half to six times and a half. The maxillary extends behind, and in 

 immature specimens to, the vertical from the posterior margin of the 

 eye. The length of the pectoral is contained once and three-fourths 

 to once and five-sixths in that of the head, the length of the ventral 

 twice and a half to twice and three-foiu-ths. Greenish, clouded ^ith 

 darker ; immature specimens Avith a light waving band along the 

 side. Head and lower part of the side with black dots ; opercle with 

 a large brownish spot ; vertical fins A-iolet, black-dotted ; pectorals 

 brownish, with the rays yellow-dotted ; hinder half of the ventrals 

 brownish. {BL) 



llivers of Banka and Borneo. 



13. OpMocephalus lucius. 



Opliiceplialus lucius, {Kuhl S,- v. Haas.) Cm: S)- Val. vii. p. 416; Bleek. 

 Vcrhand. Batav. Genootsch. xxiii., Lahyr. p. 13. 



D. 39-40. A. 28-29. L. lat. 65. 



ScAcral large teeth in the lower jaw and on the palate. The 



