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Show 1869.] SURGEON F. DAY ON INDIAN FISHES. 515 Scales ctenoid. Colours. Purplish on the body ; tips of the dorsal spines, outer third of dorsal and anal rays, as well as the caudal fin, white. Two specimens, nearly 4 inches long, in the collection, but no notice where they came from. I have since procured the species at Akyab. AMBASSIS NOTATUS, Blyth, J. A. S. of Bengal, 1860, p. 138, is the A. baculis, H . B. BOGOTA INFUSCATA, Blyth, l.c. p. 139. D. l()|i. V. 1/5. A. 3/8. C. 17. Preopercle strongly serrated, with large teeth at its angle. A spine directed backwards, apparently on the subopercle. A long spine on the opercle. Preorbital entire. Lower jaw the longest. Teeth. In the jaws, villiform. Fins. Second anal spine the longest. Scales. None visible now. Colours. Brownish-black, except the fins, which are of a dirty yellowish-white. The specimen is half an inch long and in a very bad condition. The occiput is broken across ; in fact, it is too damaged to describe from. One thing is evident, that it does not belong to the genus Ambassis; it m ay be the fry of a species of Priacanthus. A.MPHIPRIONICHTHYS ZEYLONENSIS, Sp. 11. B.iv. D. 7/14. P. 13. V. 1/2. A.J. C. 15. Length of head \, of caudal A of the total length. Height of head | of the total length. Eyes. Upper surface, near the profile, 1 diameter apart, lg diameter from end of snout. Body elevated and strongly compressed, head slightly depressed. Mouth anterior, jaws of equal length, Preorbital with a strong spine directed backwards. Preopercle with five spines, the two lowest the longest. Opercle very narrow, having two badly marked spines. A serrated ridge passes from the back of the orbit towards the occiput. Gill-membranes not entirely covered by the opercles. Teeth. Villiform in jaws, none on vomer or palate. Dorsal fin has a notch between its two portions. Body and head studded with minute prickles. Lateral line distinct. Colours. Bluish along the upper half of the body, becoming dirty-brown on the abdomen. An irregular series of about eight yellow blotches along the back, increasing in numbers towards the abdomen. Fins light-coloured. Three specimens, up to 2j inches in length, are in the collection. They were dredged up off Galle by Dr. J. Anderson. PROC. ZOOL. Soc-1869, No. XXXIV. |