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 21/, 
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. ¢ Vi? yp 
Liocassis moeschii Boulenger, Ann. Mag. Nat. Hist. (6) XIII. 1894, p. 247 (nec 
Boulenger 1890). 
Liocassis rugosus C. Tate Regan, Ann. Mag. Mat. Hist. (8) XI. 1913, p. 552. 
Depth of body 41/, in the length, length of head 4. Head 
1'/, as long as broad. Diameter of eye 8 in the length of 
head, interorbital width 3°/,. Snout broad, rounded, !/, 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, ?/,; the length of 
head. Adipose fin 1°/, as long as the base of dorsal and longer 
than its distance from the latter. Anal 15. Pectoral spine 4/, 
the length of head, with strongly serrated inner edge. Ventrals 
extending to the anal. Caudal forked. Caudal peduncle 1°/, 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). 
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