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Show 1884.] GENERA SICYDIUM A N D LENTIPES. 163 The total length of the body (without the caudal) is about five times the length of the head ; the width of the head is rather greater than the height and two thirds of the length. The height of the body is contained about six and a half times in the length. Scales on the neck and side nearly equal to those on the tail. The diameter of the eye is contained three and a half times in the length of the head, and equals the interorbital space. The maxilla extends to the vertical from the middle of the eye. The pectoral and caudal fins are rather longer than the head; the caudal is contained about five and a half times in the total length. The third dorsal spine is produced into a short filament higher than the body second dorsal higher than the body. Colour blackish violet, dorsal and anal fins dusky violet; pectoral greenish violet with an orange margin ; caudal yellow, with a black horseshoe-like mark, and with the angles violet. Total length 2\ inches (Blee/c). Hab. Rivers of West Sumatra and Bali. 13. SICYDIUM GYMNAUCHEN, Bleeker. Sicydium gymnauchen, Bleeker, Act. Soc. Sc. Indo-Nederl. iii. Celebes, p. 11 ; Giinth. Cat. Fish. iii. p. 95. Microsicydium gymnauchen, Bleeker, Arch. Neerl. ix. p. 34 ; Versl. Ak. Amst. (2) ix. p. 284. D. 6^. A. j^. L. lat. 40. L. trans, ca. 12. (Teeth in the upper jaw tricuspid 1) Horizontal teeth conspicuous. The total length of the body (without the caudal) is rather more than four times the length of the head ; the width and height of the head are subequal and half the length. The height of the body is contained about six times in the length. Head and anterior portion of the trunk scaleless; scales on the rest of the body subequal. The diameter of the eye is about a quarter of the length of the head and equals the interorbital space. The length of the pectoral is rather less than the length of the head, which is about equal to the length of the caudal. The anterior dorsal is not so high as the body ; the second dorsal and anal are subequal, higher than the first dorsal, their anterior rays being higher than the posterior. Colour green above, yellowish beneath, with eight blackish cross bands, broader than the intervening spaces; the last four or five are lighter than the rest and descend obliquely forwards ; fins rose-coloured, anal dotted with black. (The bands are sometimes indistinct or absent.) . Out of more than 300 specimens the longest measures 1^ inches (Bleek.). Hab. Estuaries of Manado. |
