250 Mr. G. A. Boulenger on new 



Scales moderate ; lateral line abruptly bent downwards 

 behind the pectoral fin and running close to the lower profile 

 of the body. Mouth directed upwards, moderately large ; 

 upper jaw protractile ; a long maxillary barbel ; gill-mem- 

 branes united across isthmus ; gill-rakers short ; pseudo- 

 branchiee present. Pharyngeal teeth hooked, in two series 

 (5 . 4 — 4 . 5) . Dorsal fin moderately elongate, opposite to 

 but shorter than anal fin. Pectorals elongate, falcate; 

 ventrals well developed ; caudal forked. 



Nematabramis Everetti. 



Depth of body 3^ to '61 times in total length, length of 

 head A\ times. Upper profile of head and nape slightly 

 concave ; snout a little longer than diameter of eye, which is 

 4 times in length of head; interorbital width 2\ times in 

 length of head ; maxillary barbel 1^ to twice as long as 

 head. Dorsal II 9-12, originating twice as far from end of 

 snout as from base of caudal. Anal III 16-18. Pectoral 1^ 

 as long as head, extending beyond base of ventral ; latter 

 a little nearer end of snout than base of caudal. Scales 

 35-37 -. Colour pale, Avith a silvery lateral stripe. 



Total length 110 millim. 



Bongon and Merabeh, N. Borneo ; Baram River, Sarawak 

 {Everett). Five specimens. 



NemacMlus oUvaceus. 



Depth of body 5f to 6^ times in total length, length of 

 head 4-^ to 4:} times. Eye f length of snout, ^ interorbital 

 width, \ length of head; head naked; maxillary and outer 

 rostral barbels extending to middle of operculum. Depth of 

 caudal peduncle § to f depth of body, equal to the distance 

 between the anal and the caudal fins. Dorsal II 8, origin- 

 ating above the base of the ventrals, and sliglitly nearer the 

 end of the snout than the base of the caudal. Pectorals ^ 

 length of head, as long as ventrals, which reach the vent. 

 Anal 11 5, halfway between dorsal and caudal. Caudal 

 feebly notched. Body entirely covered with imbricate 

 scales, of which there are about 30 between dorsal and ventral 

 fins. Olive above, with or Avithout traces of 17 darker bars 

 across the back, yellowish beneath; fins grey or greyish, 

 without spots. 



Total length 80 millim. 



Bongon, IS\ Borneo {Everett). Five specimens. 



