265 
in length, their origin far behind end of base of dorsal. Hind- 
border of pectorals concave, their longest ray equalling the 
distance from anterior nostril to hindborder of operculum, 
their broad and very strong pectoral spine much shorter, 
very strongly denticulated at its inner border. Longest rays 
of caudal as long as or a little shorter than head. Least height 
of caudal peduncle a little shorter than its length. Gillrakers 8. 
Lighter or darker olivaceous brown, often with dark spots 
scattered over the back; belly, underside of head and ventral 
barbels whitish. Rayed fins of the same colour, their base 
and irregular peripherical patches dark. Base of caudal dark. 
Length 100 mm. (G. kiikenthali 267 mm.). 
Nomen indig.: Djengal (Sundan.); Leleh-gunong (Batav.) ; 
Pitang (Javan.); Senggaringan (Djocja); Kegkel (Pangerango). 
Habitat: Java (Batavia, Buitenzorg!, Pangerango!, Tjampea, 
Tjipanas, Passir Datar!, Tjibodas!, Tjandjur, Parongkalong, 
Garut!, Sukabumi!, Surakarta, Djocja!, Malang, Ngantang, 
Djember!); Sumatra (Pajakombo, Deli!); Borneo (Kajan, Baram, 
Dapor and Rijang-rivers). 
In brooks and rivers, specially in mountain streams. 
2. Glyptosternum baramense (Fowler). 
Akysis baramensis Fowler, Proc. Acad. Nat. Sci. Phil. (2) LVII. 1905, p. 472. 
reir ins iiss Ite Pilg 5040s Ve, iG 
plead )3"/5;,.depth 5*/,; width of head~y'/, im its length; 
depth of head 17/,; width of mouth 2; length of snout 2°/,; 
interorbital space 3; length of depressed dorsal 1'/,; of lower 
eaudal lobe 1; of pectoral 1'/,,; ventral 17/,; least depth -of 
caudal peduncle 2*/,. 
Body elongate, slender, depressed, and greatest depth about 
opposite middle of depressed pectoral. Caudal peduncle com- 
pressed, its least depth about 17/, in its length from posterior 
base of adipose dorsal fin. 
Head broad, depressed, evenly convex above, and lower 
portion more or less flattened. Breast flattened. Snout produced, 
‘broad and rounded convexly in profile when viewed from . 
above. Eye small, superior, anterior, and eyelid not developed. 
Mouth broadly convex inferior, and in profile tip of mandible 
would fall in first ?/,; of space between tip of snout and front 
of eye. A band of fine teeth in each jaw, none on roof of 
