186 F. Day — Monograph of Indian Cypriniclcs. [No. 8> 



The appearance of this fish alters considerably with age. In the young 

 the head is only 2/3 as wide as long, but the two dimensions are equal in the 

 adult. 



10. Nemacheilus semiahmatus. 

 Day, Proc. Zool. Soc. 1867, p. 286 ; Giinther, Catal. vii, p. 353. 



B. III. D. 3/8, P. 12, V. 7, A. 2/5, C. 18. . 



Length of head 2/11, of caudal 2/9, height of body 2/11 of the total 

 length. Fyes ; diameter 1/4 of length of head, 1^ diameters from end of 

 snout, 1 diameter apart. A cartilaginous knob on p re-orbital. Free portion 

 of tail as deep as long. Fins ; origin of dorsal nearer the snout than the 

 base of the caudal. Pectoral as long as the head, the basal half of some 

 of its rays being generally stiffened by osseous matter. Caudal lobed in its 

 last half. Scales, indistinct. Lateral line, complete. Colours, light 

 brown, -with numerous irregularly shaped spots and bars proceeding from the 

 back towards the lateral line ; head brownish, with a dark line from the 

 snout through the orbit. Dorsal fin with about three rows of dark spots j 

 caudal irregularly barred ; a dark bine runs along the centre of the back. 



Hah. — Bowani and Sigur rivers along the base of the Nilgherry hills ;. 

 also imported into tanks on those mountains'. 



11.* Nemacheilus te:nuicauda. 



Colitis tenuicauda, Stein., Verh. Zool.-bot. Ges. Wien, 1866, p.,792, t. 17, fig. & 

 Nemachilus tenuicauda, Giintlier, Catal. vii, p. 357. 



B. III. D. 11, V. 8, A. 7. 



Length of head nearly 1/5, height of body less than 1/5 of thelength r . 

 without the caudal. Free portion of tail very low, its depth being rather 

 less than 1/3 of its length. Fins ; upper margin of dorsal oblique, with 

 its anterior angle rounded ; it arises nearer to the root of the caudal than to 

 the end of the snout. Pectoral extends rather above half the distance 

 to the base of the ventral. Caudal emarginate. Scales, absent. Colours ;, 

 upper part of side, dorsal and caudal fins irregularly mottled with brown,, 

 and some spots along the sides. 



Mai.— Tibet. 



12. Nemacheilus zonalteeinajn's;- 



Colitis zonoXternams, Blyth, J. A. S. of B. 1860, p. 172. 

 Nemacheilus zonaltemans, Day, Proc. Zool. Soc, 1869, p. 551. 

 B. III. D. 2/9, A. 2/5. 



Eyes of moderate size, rather above one diameter from end of snout.- 

 Fins ; dorsal commences rather nearer the snout than the base of the caudal,, 

 which latter is entire. Scales, distinct. Colours ; ten to 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. 

 FLab. — Tenasserim Provinces. 



