126 



1) Dorsal 3.12; L.I. 35 36; 7 scales 



below lateral line ; lateral black band O. ivaandersi p. 136. 



2) Dorsal 3.15; L.I. 325 6V scales be- 

 low lateral line; a black blotch 

 nearly encircling the end of caudal 



peduncle ............... O. kappeni p. 137. 



3) Dorsal 3.1617; L.I. 33 34; 7l 

 scales below lateral line; a round 

 black blotch before end of caudal 



peduncle ............... O. brcvicauda p. 138. 



IV. L. 1. 29 30, numerous small pores on snout. 



Dorsal 3.11. L. 1.-^ ................ O. spilurus p. 139. 



Species of unknown position ........... O. harrisoni p. 1 39 



Note: BLEEKER mentions in Natuur- en Geneeskund. 

 Archief voor Nederl. Indie II (3), 1845, p. 513, a fish, called 

 by the natives of Batavia "Ikan arong arong", zs Rohita nigr a. 

 He gives no description or further explanation of this fish. 

 We mention it on this place, as BLEEKER understood by 

 Rohita what we call Osteochilus. 



i. Osteochilus borneensis (Blkr.). 



Rohita borneensis Bleeker, Act. Soc. Scient. Indo. Neerl. II. 1857. Tiende Bijdrage 



Ichth. Borneo p. 17. 

 Rohita (Rohita) borneensis Bleeker, Ichth. Arch. Ind. Prodr. II. Cyprini, 1860, 



p. 164. Atl. Ichth. III. 1863, p. 63. 



Osteochilus borneensis Giinther, Cat. Brit. Mus. VII. 1868, p. 41. 

 Osteochilus borneensis Vaillant, Nouv. Arch. Mus. Hist. Nat. (3) V. 1893, p. 74. 

 Osteochilus borneensis Max Weber & de Beaufort, In Maass : "Durch Zentral 



Sumatra 1 ' II. 1912. Fische, p. 523. 



0.3.1617; A. 3.5 ; P. 1.15; V. 1.8; L.I. 47 49; L. tr. i . 



9* 



Height more than 2 to 2.6, 2.7 3.4 in length with caudal. 



Head 3.4 4.4, 4.6 5.8 in length with caudal. Eye 3.2 4.6, 

 1.2 to more than twice in snout, nearly in the middle of the 

 length of the head and about twice to 2.8 in somewhat convex 

 interorbital space. Snout blunt, conical, lower jaw more or 

 less ascending from chin. Three (5 according to BLEEKER in 

 his single specimen) pores in a transverse series on the snout, 

 the outer ones much smaller than the median one. Maxillary 

 barbels about equal to eye, the rostral ones shorter. Origin 

 of dorsal opposite to nth scale of lateral line, separated by 



