363 



** 



maxillary barbels reach hindborder of praeoperculum, the 

 mandibulary barbels almost the gillopening, the mental ones 

 are shorter. Dorsal spine about as long as head without snout, 

 rough behind. Base of adipose fin twice as long as that of the 

 dorsal and equal to the distance between the two fins. Pectoral 

 spine strongly denticulated behind, not much longer than the 

 dorsal one. Ventrals do not reach anal. Caudal deeply incised, 

 the upper lobe the longer. Height of caudal peduncle 2*/ 2 

 times in its length. Teeth villiform, in bands on jaws and in 

 a broad band on palate. Brownish, dorsal and anal with dark 

 bars. Length of single specimen known 140 mm. [Type in 

 Leyden Museum examined by us]. 



Habitat: Borneo (mouth of river Raun !). 



14. Leiocassis rugosus Reg. 



Liocassis moeschii Boulenger, Ann. Mag. Nat. Hist. (6) XIII. 1894, p. 247 (nee 



Boulenger 1890). 

 Liocassis rugosus C. Tate Regan, Ann. Mag. Mat. Hist. (8) XI. 1913, p. 552. 



Depth of body 4 x / 2 in the length, length of head 4. Head 

 i ! / 3 as long as broad. Diameter of eye 8 in the length of 

 head, interorbital width 3 3 / 5 . Snout broad, rounded, J / 3 the 

 length of head, scarcely projecting beyond the mouth; nasal 

 barbel equidistant from eye and tip of snout, when laid back 

 extending a little beyond the eye; maxillary barbel nearly 

 reaching the base of pectoral; upper surface of head, behind 

 the orbits, naked, rugose; this bony area with the anterior 

 edge deeply emarginate; occipital process as long as broad, 

 meeting the basal shield of the dorsal spine, supra-clavicular 

 plate small not produced backwards. Teeth on the palate in 

 a curved uninterrupted band, without posterior median process. 

 Dorsal I. 7 ; spine feebly serrated behind, 2 / 3 the length of 

 head. Adipose fin i 3 / 4 as long as the base of dorsal and longer 

 than its distance from the latter. Anal 15. Pectoral spine 4 / 5 

 the length of head, with strongly serrated inner edge. Ventrals 

 extending to the anal. Caudal forked. Caudal peduncle i 3 / 4 as 

 long as deep. Yellowish, with very broad brown cross-bands, 

 the first ending posteriorly at the origin of the ventrals, the 

 second above the anal fin, the third on the caudal peduncle; 

 fins greyish. Single specimen 120 mm. in total length. [After 

 Regan; not seen by us]. 



Habitat: Borneo (Poeh, Sarawak). 



