364 
15. Leiocassis leiacanthus M. Web. & de Bfrt. 
Leiocassis leiacanthus Max Weber & de Beaufort, In: Alfred Maasz ,Durch 
Zentral-Sumatra” II. Fische I912, p. 15. 
DAs 7 SA 5 et Me eee ea 
Dorsal profile slightly curved between snout and dorsal. 
Height 4'/,—4'/,, head 3%/,, longer than broad and broader 
than high, naked above, its bones rugose. Occipital process 
longer than broad, separated by a separate shield (the length 
of which is equal to its breadth) from the slightly broader 
basal bone of the dorsal spine, both are rugose. Supraclavicular 
plate produced backward into a small, pointed process not 
extending so far back as the humeral (clavicular) process. 
Eye about 7, situated in the anterior half of the head, more 
than twice in the rounded slightly prominent snout, which is 
equal to interorbital space and is '/, of the length of the head. 
Nasal barbels reaching behind the eye. Maxillary barbels reach 
on opercle, mandibulary ones of about equal length, mental ones 
much shorter. Dorsal spine half as long as head, not serrated 
behind. Adipose fin twice as long as dorsal, as long as its distance 
from that fin. Pectoral spine strongly serrated behind, equal 
to head without snout. Ventrals reaching anal, their origin 
nearly midway between dorsal and adipose fin. Origin of anal 
behind that of adipose fin. Caudal emarginated. Height of 
caudal peduncle 17/, in its length. Small teeth in the jaws 
and on the palate in rather broad, slightly curved bands. 
Dark brown, underside of head and belly lighter with three 
light cross bands, the first from occiput to opercle, the second 
from end of dorsal to anus, the third at the beginning of the 
caudal peduncle. A light spot at origin of adipose fin. Caudal, 
pectorals and ventrals with a black crossband, dorsal with 
broad, anal with small longitudinal band. Length 62 mm. 
Habitat: Sumatra (Kwantan river!). 
16. Leiocassis moeschi Boul. 
Liocassis moeschii Boulenger, Proc. Zool. Soc. London, 1890, p. 39. 
Liocassis moeschii C, Tate Regan, Ann. Mag. Nat. Hist. (8) XI. 1913, p. 549. 
Di 127 3X: Mb Eee aE. co: 
Upper surface of head naked and rugose; occipital process 
as long as broad; a separate shield, a little broader than long, 
