68 On nevj Freslivxiter Fishes from Borneo. 



of head, projecting beyond the nioutli. Nasal barbel nearer 

 to (ye than to tip of snout, when laid back extending to the 

 eye; maxillary barbel ^ to }, the length of head, extending 

 Ijeyond the eye ; head covered Mith smooth .»kin ; occipital 

 process about iwicc as long as broad, separated by an inter- 

 space Avhich is less than its own length from the basal shield, 

 of the dorsal spine; clavicular process extending to the 

 middle of the pectoral sjiine. Vomerine teeth in a curved 

 nninteiTuptcd li.md, uith the median posterior projection 

 rudimentary or Avanting. Dorsal I 7 ; spine feebly serrated 

 behind, about .', tlie length of head. Adipose fin 1.^,-2 as 

 long as the hase of dorsal and equal to or greater than its 

 distance from the latter. Anal 13-16. Pectoral spine about 

 J the length of head, with 16-21 serrse on its inner edge. 

 Ventrals nearly or quite reaching the origin of anal. Caudal 

 forked. Least depth of caudal peduncle 2.^,-2| in its length. 

 Brownish ; on each side 2 or 3 oblong pale areas both above 

 and below the lateral line; fins blackish at the base and 

 with blackish marginal or intramarginal bands; caudal, in 

 addition, with a blackish spot on each lobe. 



Sibu. 



Six specimens, measuring up to 170 mm. iu total length. 



Macrones baramensis. 



Depth of body 4| in the length, length of head 3:?. Breadth 

 of head 1^^ in its length, diameter of eye 5. Snout \ the 

 length of head, broad, obtuse, slightly projecting beyond the 

 moutli. Palatine bands of teeth confluent with the small 

 vomerine patch. Nasal barbel nearer to erd of snout than 

 to eye, }, the length of head ; maxillary barbel extending to 

 the posterior end of the adipose fin. Head covered with 

 smooth skin; occipital process very long and slender, 6 times 

 as long as broad, extending beneath the skin to the basal 

 shield of the dorsal spine. Clavicular process not reaching 

 the middle of the pectoral sjjine. Dorsal I 7, the spine 

 weakly serrated behind, a little more than \ the length of 

 head ; anterior branched rays f the length of head. Adipose 

 fin commencing at a distance from the dorsal which is equal 

 to f the length of its own base, wliich is equal to its distance 

 from the dorsal spine. Anal 11. Pectoral spine about r! 

 the length of head, with moderately strong serne on the 

 inner edge. Ventrals not quite reaching the anal. Caudal 

 forked. Caudal peduncle 1^' as long as deep. Brownish, 

 fins dusky. 



Baiam river. 



One specimen, 150 mm. in total length. 



