278 
BOG? ADP1ee7 7 As i202 1? EPs Aaa mos 
Elongate, height 5, head 3 or a little less, much broader 
than high, its width is °/, of its length. Occipital process 
carinated, longer than broad, somewhat triangular, its lateral 
margins nearly straight, about twice longer than broad in its 
middle, its hindmargin broad, touching the narrow crescentic 
basal bone of the dorsal, both irregularly granulated, a few 
eranulations also on the occipital bone. Median fontanel be- 
ginning behind snout and ending before the occipital process, 
broadest in the middle. Dorsal profile sloping down very 
slightly to the bluntly rounded, prominent snout, with a very 
feeble convexity. Eyes with a free orbital margin, 6'/,—7, 
situated slightly before the middle of the head, 2?/, in snout, 
3 times in the convex interorbital space. Maxillary barbels 
nearly reach the hindborder of the head, mandibulary barbels 
extending to gillmembrane, mental ones not so far. Height of 
dorsal equal to head without postorbital part, its spine 1'/,—1°/, 
in head, granulated in front, weakly serrated behind. Adipose 
fin very small, its base much less than that of the dorsal and 
about 4'/, times in its distance from that fin. Ventrals do not 
reach anal and are much shorter than pectorals, the length 
of which is nearly equal to the head without snout, their 
flattened spine somewhat shorter, its frontborder corrugated, 
denticulated distally, as is also its hindborder. 10 short, stout 
gillrakers. Villiform teeth in an arcuate band in the jaws, 
granular teeth far backward on the palate in two oval patches, 
the long axis of which converge hindward. Two small patches 
in front on the palate, reduced to a few small teeth or even 
wanting. Brownish above, silvery white below, Fins hyaline, 
adipose fin with a black spot. Length 4or mm. [One of 
Bleeker’s specimens examined in the Leyden Museum]. 
Nomen indig.: Manjong utik (Malay. Batav.). 
Habitat: Java (Batavia, Penandjung Bay!). 
In sea. 
3. Arius argyropleuron C. V. 
Arius argyropleuron Cuvier & Valenciennes, Hist. Nat. Poiss. XV. 1840, p. 104. 
Arius acutus Bleeker, Nat. & Geneesk. Arch. Ned. Ind. III (2). 1846, p. 167. 
Arius Hamiltonis Bleeker, Nat. & Geneesk. Arch. Ned. Ind. III (2). 1846, p. 291. 
Arius argyropleuron Bleeker, Ichth. Arch. Ind. Prodr. I Siluri, 1858, p. 86. 
Ariodes argyropleuron Bleeker, Atl. Ichth. II. .1864, p. 40. 
Arius argyropleuron Giinther, Cat. Brit. Mus. V. 1864, p. 164. 
