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. kilkenthali 267 mm.). 



Nomen in dig. : 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. 



D. I, I, 5; A. II, 6, II; P. I, 5, II; V. I, 5. 



n Head 3 ! / 2 ; depth 5 ! / 2 ; width of head I J / 4 in its length; 

 depth of head i 2 / 3 ; width of mouth 2; length of snout 2 3 / 4 ; 

 interorbital space 3; length of depressed dorsal i'/ G ; of lower 

 caudal lobe i; of pectoral I'/ioJ ventral i 2 / 3 ; least depth of 

 caudal peduncle 2 4 / 5 . 



Body elongate, slender, depressed, and greatest depth about 

 opposite middle of depressed pectoral. Caudal peduncle com- 

 pressed, its least depth about i 2 / 3 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 2 / 5 of space between tip of snout and front 

 of 'eye. A band of fine teeth in each jaw, none on roof of 



