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. Xenentodon canciloides (Blkr.) X 5 /9- 



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- 

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



1866, p. 223. 



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

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



p. 46. 

 Belom cancila von Martens, Preuss. Exp. Ost-Asien Zool. 



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

 Belone cancila Vaillant, Notes Leyden Mus. XXIV. 1902, 



p. 31 (nee H. B.). 



D. 2.15; A. 2. 1$; P. 1.89; v - i-5; L.I. 



2OO 220. 



Cylindrical, the height being about equal to 

 the breadth of the body. Height 1418, 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. L lower, 

 u third upper pha- 

 ryngeals of Xenen- 

 todon canciloides 

 (Blkr.) magnified. 



