312 



No men in dig. : Uteh (Madur.), Manjong pidada (Mai. 

 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. Ill (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 Gunther, Cat. Brit. Mus. V. 1864, p. 160. 



B. 6; D. i. 7; A. 1819; P. i. 10; V. 6. 

 Elongate, height (under dorsal spine) 4 3 / 4 5 x / 2 , head 3 ! / 4 3'/ 2 , 

 broader than high, its greatest width 2 / 3 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 the middle of the 

 length of the head, about 

 i ! / 2 times in snout and 

 2 times in interorbital 

 space. Dorsal profile slo- 

 ping down in a straight 

 line to the somewhat 



Fig. 135. Arius utik Blkr. X 5 /6- 



slightly prominent snout. 



Maxillary barbels extend to the root of the pectorals, mandi- 

 bulary barbels to the hindborder of the gillmembrane, mental ones 



