26 7 



Paler areas on upper surface of body brownish-white. Iris 

 slaty. Nasal and maxillary barbels whitish mostly, brownish 

 above, and mental barbels entirely white". 



Length 47 mm. [After Fowler, not seen by us]. 



Habitat: Borneo (Baram river). 



3. Glyptosternum platypogonoides (Blkr.). 



Pimelodus platypogonoides Bleeker, Nat. Tijdschr. Ned. Indie IX. 1855, p. 272. 

 Glyptothorax platypogonoides Bleeker, Atl. Ichth. II. 1862, p. 63. 

 Glyptosternum platypogonoides Gunther, Cat. Brit. Mus. V. 1864, p. 186. 



B. 89; D. I. 6; A. 34. 9; P. I. 9; V. I. 5. 



Height 5 5 ] / 2 , head 4 2 / 5 , eye 8 u. Snout half as long as 

 head, interorbital space about as long as distance from eye 

 to posterior nostril, nasal barbels equal 2 / 3 of lastnamed distance. 

 Maxillary barbels extending to the pectorals, mandibulary ones as 

 long as the head, mental ones much shorter. Occipital process 

 3 4 times longer than broad. Height of dorsal about 3 / 4 of head, 

 the osseous part of its spine 2 / 3 of head, in large specimens 

 somewhat longer, weakly denticulated behind. Length of 

 adipose fin I 2 in its distance from the dorsal, according to 

 size of specimens. Anal distinctly lower than dorsal. Origin 

 of ventrals about below end of base of dorsal. The pectorals 

 longer than ventrals, the length of the longest ray of pectorals 

 equalling distance from anterior nostril to hindborder of oper- 

 culum, their spine very broad and strong, strongly denticulated 

 behind, longer than half head. Caudal deeply forked, its longest 

 rays much longer than head. Lowest part of caudal peduncle 

 equalling twice its length. Gillrakers 8. Colour uniform brown, 

 underside lighter, fins each with an indication of a broad dark 

 band. Length 120 mm. 



Habitat: Sumatra (Lahat, Deli!). 



In freshwater. 



4. Glyptosternum majus (Blgr.). 



Akysis major Boulenger, Ann. Mag. Nat. Hist. (6) XIII. 1 894, p. 246 1). 

 Glyptosternon platypogonoides Vaillant, Nouv. Arch. Museum Hist. Nat. (3) V. 



1893, P- 73- (nee Blkr.). 

 Glyptosternon Nieuwenhuisi Vaillant, Notes Leyden Mus. XXIV. Nov. 1902, p. 72. 



i) See Tate Regan, Ann. Mag. Nat. Hist. (8). VIII. 1911, p. 563. 



