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Show 286 MR. F. DAY ON INDIAN FISHES. [Mar. 14, Length of head T 2 T, of pectoral T 2 T, of base of dorsal i, of base of anal y1^, of caudal -fa of the total length. Height of head \, of body j, of dorsal 1, of anal \ of the total length. Eyes not covered by skin ; diameter f of length of head ; 1 diameter apart, 1^ from end of snout. Body elongated, anteriorly fusiform, in the posterior portion laterally compressed ; abdominal profile nearly straight. Mouth rather below*, lower jaw shortest; the cleft of the mouth extending halfway to below the anterior end of the orbit. Lips fleshy. Two pairs of cirri on snout, not united at their bases. One pair of fleshy maxillary cirri. All these cirri short, not reaching so far as the orbit. Nostrils midway between the snout and the orbit, the anterior tubular. Fins. Dorsal arises slightly anteriorly to the origin of the ventrals, and is situated about the centre of the entire length of the fish. Anal commences midway between the middle of the pectoral and the end of the caudal. Dorsal nearly square. Anal slightly pointed. Caudal with sharp lobes. Scales over the whole of the body, none on the head. Lateral line becomes indistinct in the last portion of the body. Colours. Generally of a deep olive-brown, with three rows of round, oval, or irregularly shaped flesh-coloured spots running along the whole of the body of the fish, the superior row (along the back) and inferior (along the abdomen) being much larger than the middle series ; a black bar at the base of the caudal fin ; all the fins reddish, stained with orange in their external halves; two rows of fine black dots along the dorsal fin, and one across the anal; two indistinct blackish bands across either lobe of the caudal, which has also a slightly black edge. This very pretty little Loach I have named after Dr. A. Giinther. NEMACHEILUS SEMIARMATUS, nov. sp. B.iii. D. ?-. P. 12. V. 7. A. \. C. 18. Length of specimens up to 4 inches. Length of head T 2 T, of base of dorsal |, of base of anal ^, of pectoral T 2 T, of caudal |- of the total length. Height of head g, of body T 2 T, of dorsal fin \, of anal \ of the total length. Eyes. Diameter \ of length of head, 1| diameter from end of snout, 1 diameter apart. Body elongated, fusiform anteriorly, compressed laterally, posterior to the ventral fin. Profile from snout to origin of dorsal fin convex ; abdominal profile almost straight. Lower jaw shortest; lips fleshy ; opening of mouth rather inferior, and extending one-third of the distance to the anterior margin of the orbit. Two pairs of cirri on snout; the external extend as far as the orbit, whilst the internal pair are only half that length. The maxillary pair of cirri extend as far as the posterior third of the orbit. Nostrils one-third of the distance from anterior extremity of orbit to the snout; the anterior tubular. A cartilaginous and rudimentary |
