256 
I. Pangasius nasutus (Blkr.). 
Pseudopangasius nasutus Bleeker, Versl. Kon. Akad. Wet. Amsterdam, XV. 
1862, p. 72. — Atl. Ichth. II. 1862, p. 76. 
Pangasius nasutus Giinther, Cat. Brit. Mus. V. 1864, p. 63. 
Pangasius nasutus Vaillant, Nouv. Arch. Mus. Hist. Nat. (2) VES Os ps7 2s 
Pangasius nasutus Volz, Rev. Suisse Zool. XII. 1904, p. 466. 
Bios Dill 752 20 3 ee Pe ee 
Elongate, slightly compressed. Profile behind dorsal nearly 
straight, before dorsal elevated, sloping down in a straight 
line to the broad prominent, rounded snout. Height below 
dorsal about 4, at the origin of anal 4'/,—5'/,. Head 4, soft 
skin covers a rugose cask. Eye about 6, behind corner of 
mouth and above its level. Maxillary barbels originating above 
the corner of the mouth, in a slit which is continued below 
the eye; they extend to the base of the pectoral or not so far; 
the mandibulary ones somewhat shorter. First ray of dorsal 
much the longest, little shorter than head, osseous part of 
dorsal spine conspicuously shorter, about equal to head 
without snout, very strong, compressed, its hindborder with 
strong teeth. Adipose fin longer than eye, above the last '/, 
of the anal, which goes 4 times in length and the anterior 
rays of which are equal to half head in height. Ventrals 
reaching the anal or nearly so, outer rays the longer, more 
than half of head. Pectorals equal to */, of head, their strong, 
flattened spine with the hindborder denticulated, conspicuously 
shorter. Caudal deeply incised with the lobes pointed. Villiform 
teeth in the upper jaw in a broad slightly rounded band, 
band in the lower jaw more curved. Vomerine band of teeth 
thrice or more than thrice broader than long, separated from 
the oblong palatine patches. Margaritaceous, upper surface of 
head, back and anterior part of body darkish. Fins reddish, 
dorsal, pectorals and distal part of caudal dark. Length 900 mm. 
Nomen indig.: Patin (Sumatra). 
Habitat: Borneo (river Barito, river Kapuas); Sumatra 
(river Kwantan, Batu Ridial, Indragiri, Batang Hari, Djambi!). 
In rivers. 
2. Pangasius pangasius (Ham. Buch.). 
Pimelodus pangasius Hamilton Buchanan, Fishes of the Ganges, 1822, p.p. 186, 376. 
Pangasius Buchanani Cuvier & Valenciennes, Hist. Nat. Poissons, XV. 1840, p. 45. 
Pangasius djambal Bleeker, Nat. & Geneesk. Arch. Ned. Ind. III (2), 1846, 
p. 290. — Atl. Ichth. II. 1862, p. 73. 
