1872.] 
187 
F. Day — Monograph of Indian Cyprinidce. 
13. NEMACHEIIVS LADACENSIS. 
Nemacliilus ladacensis, Gunther, Catal. vii, p. 356. 
B. III. D. 11, V. 8, A. 7. 
Length of head 1/5, height of body less than 1/5 of the total length 
without the caudal fin. Eyes ; diameter 1/5 of length of head, 2 diameters 
from end of snout. Snout obtuse. Free portion of tail one-fourth as high 
as long.' Fins; upper margin of dorsal oblique, with its anterior angle 
rounded, commencing nearer the end of the snout than the root of the 
caudal, which latter is roimded. Pectoral extends rather above half way to 
the base of the ventral. All the fins are somewhat elongated. Scales , 
absent. Colours, reddish olive, with about nine blackish bars across the 
hack, a few small scattered spots upon the sides and caudal fin. 
Hal. — Tibet, from whence the single typical specimen, three inches 
long, was procured. 
14. Nemacheilvs zonata. 
Schistu/ra sonata, Mc.CIell., Ini Cyp., pp. 308, 441, pi. 53, fig. 1. 
Cobitis sonata, *Cnv. and Val., xviii, p. 39. 
B. III. D. 3/7, P. 11, Y. 8, A. 1/5, C. 17. 
Length of head 1/5, of caudal 1/5, height of body 1/6, of dorsal fin a 
little above 1/6 of the total length. Eyes ; diameter 2/7 of length of head, 
and situated in the middle of its length. Snout rather compressed. Ji Ur- 
iels well developed, being about as long as the orbit. Fins; dorsal com- 
mences rather nearer the base of the caudal, than the end of the snout. 
Caudal forked. Colours ; eleven to thirteen dark zones encircle the back, 
but they do not meet on the abdomen, and are not half the width of the 
ground colour. 
Hal . — Upper Assam, Bengal, and N. W. Provinces. 
15. Nemacheimjs SUIil'USCUS. 
Schistura subfusca, Mc.CIell., Ind. Cyp. pp. 308, 443, pi. 53, fig. 5. 
Cobitis subfuscus , *Cuv. and Val., xviii, p. 80. 
Nemachilus subfuscus , *Gunther, Catal. vii, p. 351. 
Cobitis cincticwuda, Blytl), J. A. S. of B. 1 800, p. 17-. 
Nnnacheilns cincticauda, Day, Proc. Zool. Soc. 1869, p. 55-. 
B. III. D. 2/8, P. 11, V. 8, A. 2/5, C. 19. 
Length of head 1/5, of pectoral 1/5, of caudal 2/11, height of body 1/7 
of the total length. Eyes, situated in the middle of the length of the head, 
3 diameters from end of snout, H diameters apart. Barlels well developed, 
and nearly as long as the orbit. No projection on the pre-orbital. The free 
portion of the tail longer than high. Fins ; dorsal with its upper margin 
straight, it arises midway between the posterior margin of the orbit and the 
base of the caudal, which last is slightly emarginate. Pectoral extends 
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