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Show 102 DR. A. GUNTHER ON NEW FISHES. [Jail. 24, and between the eyes. Another band runs from the eye to the extremity of the maxillary and round the chin. The succeeding band encircles the head entirely ; crossing the nape, and descending over the praeoperculum, it reaches across the isthmus of the throat. Body with five cross bands, the posterior becoming broader, leaving only a narrow interspace between them :-the first from before the dorsal fin across the operculum ; the second from the third, fourth, and fifth dorsal spines to behind the pectoral ; the fifth occupies the space between the posterior dorsal and anal rays and nearly the whole of the free portion of the tail. Dorsal fin violet at the base, orange-coloured above, with violet tips to the rays and spines ; anal and ventrals similarly coloured ; pectoral and caudal fins orange-coloured. Two dried examples, 8 inches long, of this species were received from Cape York, Australia. CHAMPSODON (g. n. TRACHININORUM). Body compressed, elongate, covered with minute granular scales. Cleft of the mouth oblique, very wide. Eye lateral, directed upwards. Two dorsal fins ; ventral fins jugular ; pectorals composed of very fine branched rays, united by a thin membrane. Teeth in the jaws in a single series, not closely set, of unequal size, those of the lower jaw longer than the upper ones. Vomerine teeth cardi-form, in two separate patches; palatine teeth none. Gill-openings exceedingly wide. None of the bones of the head armed. China Seas. CHAMPSODON VORAX. D. 5|20. A. 17. V. 1/5. The head is compressed, nearly twice as long as deep, and its length is two-sevenths of the total (without caudal). The cleft of the mouth is exceedingly wide, extending behind the eye, and its width being much more than one-half of the length of the head. The lower jaw is bent upwards and projects far beyond the upper. The snout (without the projecting part of the lower jaw) is not much longer than the eye, the diameter of which is one-fifth or one-sixth of the length of the head. The eye is situated in a notch of the upper profile; the interorbital space slightly concave, and rather narrower than the eyes. Crown of the head scaly. Opercular margin very thin, flexible, radiated. The height of the body is contained five times and one-half in the total length (without caudal). Caudal fin emarginate. Pectorals much shorter than ventrals, which extend nearly to the vent. Coloration uniform. A single specimen of this species, 2 | inches long, and not in a good state of preservation, was presented by Vice-Admiral Sir E. Belcher to the British Museum. MASTACEMBELUS CRYPTACANTHUS. D. 24 | 100. A. 2|ca. 100. Praeoperculum with two spines. The maxillary extends to the |