extend to the end of the rough humeral process or somewhat 

 farther, mandibulary barbels to base of pectorals, mental ones 

 do not reach hindborder of gillmembrane. Height of dorsal 

 shorter than head, its osseous spine with a filament; it is 

 very strong, especially at its base, granulated in front, slightly 

 serrated behind and as long as head or somewhat shorter. Base 

 of adipose fin equal to that of soft dorsal and thrice in its 

 distance from lastnamed, above anterior half of anal, which 

 is concave. Ventrals shorter than pectorals, which are about 

 as long as head without snout, the osseous part of the strong 

 flattened spine is equal to head without 

 snout, granular in front, serrated behind. 

 Small teeth in an arcuate band in the 

 jaws, on the palate finely granular, in 

 Fig. 133. Arius macro- two elliptic widely separate patches, about 

 notacanthus Blkr. Teeth of as i ong as t h e eye, diverging posteriorly. 



upper jaw und palate X 2- ,- , . , -,, \ 



9 cylindrical gillrakers, decreasing rapidly 



in size, the longest conspicuously shorter than '/2 f branchial 

 filaments, about ! /3 f eve - Caudal with pointed lobes, the 

 superior one the longer, nearly 6 times in the total length. 

 Dark bluish above, whitish below, adipose fin with a large 

 black spot. Length about 300 mm. 



Nomen indig. : Ikan Manjong pidada (Batav.). 



Habitat: Java (Batavia) ; Sumatra (Padang, Banjuasin, 

 Priaman, Bagan api api!); Singapore. Pinang. 



In sea and rivers. 



Note: 'We draw attention to Arms bleekeri described 

 by Dr. Canna Popta (Notes Leyden Museum XXII 1900, 

 p. 71) after 4 specimens of unknown habitat, found by her 

 among fishes, forwarded by the late Dr. Bleeker to the 

 Leyden Museum, as there is a chance, that it may be an 

 indo-australian species. 



26. Arius caelatus C. V. 



Arius caelatus Cuvier & Valenciennes, Hist. Nat. Poiss. XV. 1840, p. 66. 

 Arius caclatoides Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2). 1846, p. 159. 

 Arius microgastropterygius Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2). 



1846, p. 160. 



Arius clyptaster Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2). 1846, p. 161. 

 Arius clypeastroides Bleeker, Nat. & Geneesk. Arch. Ned. Ind. 111(2). 1846, p. 161. 

 Arius chondropterygius Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2). 1846, 



p. 162. 



