818 



BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



in head measured from snout tip; barbel at least larger than head 

 or to middle of pectoral, to ventral origin with age; lower jaw slightly 

 projects in front; interorbital 2% to 21^ in head, broadly convex, 

 with 6 transverse ridges each side of median line; broad suborbitals 

 entirely cover cheek. Gill rakers 3 + 9, short, slender points, l^ of 

 gill filaments which li/o in eye. Pharyngeal teeth 4, 5-5, 3, hooked, 

 each of larger with moderate grinding surface. 



Scales 32 or 33 in lateral line to caudal base and 3 more on latter ; 

 scales 32 to 36 in median lateral series to caudal base and 3 more on 

 latter; 8 above, 2 below, 21 or 22 predorsal, 13 around caudal pedun- 

 cle. Scales with 10 to 14 radiating apical striae, sometimes single 

 basal stria; circuli fine, concentric, best developed basally. 



H.W.E 



FiQUEB 30. — Nematahramis everetti Boulenger : Specimen from Tawao River, Borneo. 



D. II, 11, I, first branched ray ll^ to 1% in total head length; 

 A. m, 16, I, first branched ray IVio to 1% ; least depth of caudal pe- 

 duncle 21/^ to 2% ; ventral li/^ to 1% ; caudal 3 to 31/4 in rest of body, 

 deeply lunate, lobes pointed; pectoral 3 to 314. 



Light brown generally, paler to whitish below and whole body 

 with more or less silvery white reflections. Iris silvery white. Dark 

 or blackish narrow vertical bar on fourth scale from upper edge of 

 gill opening. Deep brown blotch size of eye at middle of caudal 

 base. Indistinct underlaid narrow axial grayish streak to middle of 

 caudal base. Fins all pale, most of verticals with more or less gray- 

 ish terminally. 



Borneo. Represents subgenus Neniatabramis Boulenger in the long 

 barbels. The species superficially suggestive of Esomus. 



18 examples. Silimpopon River, Sibuko Bay, Borneo. October 2, 1909. Length, 



51-95 mm. 

 43 examples. Tawao River, Borneo, September 30, 1909. Length, 52-110 mm. 



