312 
Nomen indig.: Uteh (Madur.), Manjong pidada (Mal. 
Batav.), Keteng (Jav.), Gunggut (Banjerm.). 
Habitat: Java (Batavia, Surabaya, Pasuruan); Madura; 
Sumatra (Padang, Djambi!, Bagan api api!); Borneo (Banjer- 
massin!, Balikpapan!, Sarawak, Moratabas (Brit. Mus.)). — 
Siam westwards to Bombay. 
In sea, rivers and brackish water. 
27. Arius utik Blkr. 
Arius oetik Bleeker, Nat. & Geneesk. Arch. Ned. Ind. III (2). 1846, p. 166. 
Cephalocassis utik Bleeker, Ichth. Arch. Ind. Prodr. I, Siluri, 1858, p. 115. 
Arius utik Bleeker, Atl. Ichth. II. 1862, p. 34. 
Arius utik Giinther, Cat. Brit. Mus. V. 1864, p. 160. 
Beit6: Dan Wes Ag 18—I9Q; Ps ie DOS Wee: 
Elongate, height (under dorsal spine) 4°/,—51/,, head 3'/,—3'/, 
broader than high, its greatest width ?/, of its length. Crown 
of head smooth or nearly so, occipital process with a median 
crest, triangular, a little longer than broad and slightly granu- 
lated, its truncate hind- 
border touching the gra- 
nulate basal bone of dor- 
sal spine. A slitlike me- 
dian fontanel beginning 
behind the eyes and run- 
ning to occipital keel. 
Humeral process triangu- 
lar, smooth. Eye with a 
free orbital margin, about 
5 in head, its hindborder 
in, othe simiddlej sor eEhe 
length of the head, about 
1'/, times in snout and 
2 times in interorbital 
space. Dorsal profile slo- 
ping down in a straight 
line to the somewhat 
conical, bluntly rounded, 
slightly prominent snout. 
Maxillary barbels extend to the root of the pectorals, mandi- 
bulary barbels to the hindborder of the gillmembrane, mental ones 
Fig. 135. Arius utik Blkr. X */g. 
