133 



jaws with a band of small teeth and a series of canines. No 

 teeth on vomer. Origin of dorsal opposite to that of anal; all 

 the dorsal and anal rays connected by a membrane. Caudal 

 subtruncate or slightly rounded. Scales small. Lateral line 



Fig. 50. XcucntoJon canciloides (Blkr.) X "/g- 



running low down, without keel on caudal peduncle. Gillopenings 

 wide. No gillrakers. Lower pharyngeal small, narrow, pointed 

 or rounded at both ends, only the^ third pair of upper pharyn- 

 geals dentigerous. 



Distribution: Fresh water of Sind, India, Ceylon, Burma, 

 Malay Peninsula^ Sumatra and Borneo, 



I. Xenentodon canciloides (Blkr.) 

 [Figs. 50, 51, p. 133]. 



Belone canciloides Bleeker, Nat. Tijdschr. Ned. Indie, V. 



1853, P- 454. 

 Mastacemheliu canciloides Bleeker, Ned. Tijdschr. Dierk. III. 



1866, p. 223. 

 Belone canciloides Giinther, Cat. Biit. Mus. VI. 1866, p. 253. 

 Mastacembelus canciloides Bleeker, Atl. ichth. VI. 1866 — 1872, 



p. 46. 

 Belone caricila von Martens, Preuss. Exp. Ost-Asien Zool. 



Th. I. 1876, p. 400 (nee H. B.). 

 Belone canciia Vaillant, Notes I.eyden Mus. XXIV. 1902, 



p. 31 (nee H. B.). 



D. 2.15; A. 2.15; P. 1.8—9; V. 1.5; L.l. 

 200 — 220. 



Cylindrical, the height being about equal to 

 the breadth of the body. Height 14 — 18, 15 — 19 

 in length with caudal. Head 2.3 — 2.4, 2.5 — 2.6 

 in length with caudal. Eye 2.5 — 3 in postorbital part of head, 

 equal to or a little less than interorbital space and 8.5 to 9 

 in snout. Head with a very deep median groove, tapering 



Fig. 51. Z lower, 

 « third upper pha- 

 ryngeals of Xenen- 

 todon canciloides 

 (Blkr.) magnified. 



