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Show 1899.] BATRACHIANS, A N D FISHES F R O M HAINAN. 961 between the opercular spines; some light dots on the soft dorsal and anal and on the membrane between the ventral rays. Total length 155 millim. A single specimen. 2. DlSCOGNATHUS 1MBERBIS Vincig. A species described from the Karen Hills, Burma. 3. GYMNOSTOMUS LEPTURUS, sp. n. (Plate LXIX. fig. 1.) Depth of body 4 times in total length, length of head 5 times. Head 1| as long as broad ; snout broad, rounded ; width of mouth nearly half length of head; lower jaw with a sharp, horny edge ; diameter of eye equal to length of snout, 3>| times in length of head' lg in interorbital width. Dorsal III 8, midway between end of snout and base of caudal; first branched ray longest, a little shorter than the head, last ray longer than those preceding it, f length of head. Pectoral as long as head. Ventrals below middle of dorsal. Anal III 6, as deep as dorsal. Caudal deeply bifurcate, 1\ length of head. Caudal peduncle thrice as long as deep. Sq. 49 \; 4 scales between the lateral line and the ventral. Olive above, silvery beneath ; an ill-defined dark lateral streak. Total length 165 millim. A single specimen. 4. BARILIUS HAINANENSIS, sp. n. (Plate LXIX. fig. 2.) Depth of body equal to length of head, 4| times in total length. Head twice as long as broad : snout pointed, not projecting beyond the mouth, as long as diameter of eye, which is 3| times in length of head and equals interorbital width; mouth extending hardly to below anterior border of eye; suborbitals entirely covering the cheek. Dorsal II 7, originating just behind ventral and situated at equal distance from the eye and the root of the caudal; first branched ray § length of head. Pectoral a little shorter than head, not reaching ventral. Anal II 14. Caudal deeply bifurcate, as long as head. Caudal peduncle nearly thrice as long as deep. Sq. 46 ^. Silvery, darker on the back; scales above the lateral line black at the base. Total length 130 millim. A single specimen. 5. OPSARIICHTHYS PLATYPUS Schleg. A species known from Japan and Formosa. EXPLANATION OF THE PLATES. PLATE LXVI. Fig. 1. Draco whiteheadi, p. 956, with side-view of head. 2. Acanthosaura hainanensis, p. 957. |