267 
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. Indié IX. 1855, p. 272. 
Glyptothorax platypogonoides Bleeker, Atl. Ichth. II. 1862, p. 63. 
Glyptosternum platypogonoides Giinther, Cat. Brit. Mus. V. 1864, p. 186. 
Pap —Oe Dek. Os A. 3-—=A...6;"'P. 1. Oo; Vea. 5- 
Height 5—5?/,, head 47/,, eye 8—11. Snout half as long as 
head, interorbital space about as long as distance from eye 
to posterior nostril, nasal barbels equal */, of lastnamed distance. 
Maxillary barbels extending to the pectorals, mandibulary onesas 
long as the head, mental ones much shorter. Occipital process 
3—4 times longer than broad. Height of dorsal about */, of head, 
the osseous part of its spine */, of head, in large specimens 
somewhat longer, weakly denticulated behind. Length of 
adipose fin 1—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 (Bler.). 
Akysis major Boulenger, Ann. Mag. Nat. Hist. (6) XIII. 1894, p. 2461). 
Glyptosternon platypogonoides Vaillant, Nouv. Arch. Museum Hist. Nat. (3) V. 
1893, p. 73. (nec 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. 
