IO 
Habitat: Java (Batavia!, Samarang); Sumatra (Palembang, 
Laut Tador, Indragiri, Upper Langkat, river Selapian). — 
Siam, Burmah and British India. ') 
In freshwater. 
2. Notopterus chitala (H. B.). 
Mystus chitafa Hamilton Buchanan. Fishes Ganges, 1822, p. 236. 
Notopterus lopis Bleeker. Nat. en Geneesk. Arch. Ned. Ind. II. 1845, p. 510. 
Notopterus hypselonotus Bleeker, Verh. Bat. Gen, XXIV. 1852. Bijdr. kennis 
Chirocentr, etc. p. 27. 
Notopterus chitala Giinther. Cat. Brit. Mus. VII. 1868, p. 479. 
Notopterus chitala Bleeker. Atl. Ichth. VI. 1866—1872, p. 147. 
Notopierus chitala Day. Fishes of India. 4°. 1878—1888, p. 654. 
Notopterus chitala Popta. Notes Leyden Mus. 1906, p. 209. 
Fig. 6. Notopterus chitala (H. B.) 
B. 8—o; D. 9—10; A. 110—135; P. 15—16; V. 6; L,I. 
about 200; L. tr. about 75 (in a vertical line through origin 
of anal). 
Oblong, very compressed. Tail elongate and tapering. Dorsal 
profile before dorsal very convex, sloping steeply to head, 
the posterior profile of which is concave. Abdominal profile 
straight. Height 3°/,—4'/,, head about 4—5 in total length; eye 
4'/,—7'l,, longer than snout. Maxillary reaching far behind 
eye, about 2'/, in length of head without opercular flap. 
Origin of dorsal about equidistant between caudal and end of 
snout or eye. Ventrals immediately before anus, united at their 
base, about as long as '/, diameter of eye. Pectorals rounded, 
1'/,—2 times in length of head (without opercular flap). Scales 
1) The occurrence in Celebes of this species as quoted by BLEEKER after 
S. MULLER is certainly erroneous (see MAx WEBER Siboga-Exped. Fische 
LOTS ssp sou): 
