232 TELEOSTEI. PHYSOSTOM1. 



259. (16.) Nemachilus notostigma. 



Nemachilus notostigma, Sleeker, Verh. Hull. Maattch. Hawl. 1864, 

 Cobit. et Cyp. Ceylon, p. 5, t. i, fig. 2 ; Day, Fish. India, p. 618 (see 

 synon.). 



B. iii. D. 10 (2/8). V. 7. P. 13. A. 7-8 (2-3/5). C. 19. 



Length of head 5 3 to 6 in the total length. Eyes diameter 5 

 in length of head, 2 diametera from end of snout, 1| apart. 

 Barbels all rather longer than the eye. Fins dorsal arises a 

 little in advance of the ventrals ; it is not quite so high as the 

 body below it. Pectoral nearly as long as the head. Caudal lobed 

 in its posterior third. Scales indistinct. Colour ten to four- 

 teen vertical bands on the body, broader than the interspaces. A 

 dark mark at the base of the caudal, which is banded. A black 

 spot at the base of the anterior dorsal rays, and a bar across the 

 lower portion of the fin in its last half, a single band across its 

 centre. 



Hob. Ceylon. 



260. (17.) Nemachilus zonalternans. 



Cobitis zonalternans, Blyth, J. A. S. B. xxix, 1860, p. 172. 

 Nemacheilus zonalternans, -Day, Fish. India, p. 618 (see synon.). 



B. iii. D. 11 (2/9). P. 11. V. 9. A. 7 (2/5). C. 19. 



Eyes of moderate size, rather above one diameter from end of 

 snout. Fins dorsal arises anterior to the insertion of the ventral ; 

 caudal entire. Scales distinct. Colour ten or eleven bars 

 descend down the lower two thirds of the body to the abdomen, 

 with intermediate half-bands superiorly between them. Dorsal 

 and caudal fins spotted in bands. 



Hob. Tenasserim Provinces. 



261. (18.) Nemachilus ladacensis. 



Nemacheilus ladacen sis, Giinther, Catal. vii, p. 356; Day, Fish. India, 

 p. 618- (see synon.). 



B. iii. D. 10 (2/8). V. 9. A. 8 (2/6). C. 19. 



Length of head 5 in the total length. Eyes diameter 5 to 5| 

 in length of head, 2^ diameters from end of snout and 2 apart. 

 Barbels of moderate length. Fins dorsal commences halfway 

 between the front edge of the eye and the root of the caudal, 

 which latter is emarginate. Pectoral extends rather above half- 

 way to the base of the ventral. Scales. absent. Colour of a 

 light fawn, with 16 or 18 interrupted darker and sinuous bands 

 passing from the back down the sides; a silvery lateral band. 

 Dorsal and caudal finely spotted in lines ; a darkish band on pec- 

 toral, ventral, and anal fins. 



Hob. Tibet, whence two specimens were procured. 



