. Catalogue of the fishes in the British Museum. British Museum (Natural History); Fishes. 1U4- silurid^:. the pectoral. The soft dorsal fin is rather higher than the body; its spine is strong, two-thirds as long as the head, and finely serrated along both edges. The pectoral spine is somewhat shorter, and not stronger, than that of the dorsal. Adipose fin very short. Colora- tion uniform. Zambesi. a. Skin, 8 inches long. Shupanga. Presented by Dr. Kirk. 45. Arius tonggol. Arms tonggol, Bleek. Verh. Bat. Gen. xxi. Silur. Bat. p. 48. crossocheilos, Bleek. I. c. p. 4G. Anodes tonggol, Bleek. Pro
. Catalogue of the fishes in the British Museum. British Museum (Natural History); Fishes. 1U4- silurid^:. the pectoral. The soft dorsal fin is rather higher than the body; its spine is strong, two-thirds as long as the head, and finely serrated along both edges. The pectoral spine is somewhat shorter, and not stronger, than that of the dorsal. Adipose fin very short. Colora- tion uniform. Zambesi. a. Skin, 8 inches long. Shupanga. Presented by Dr. Kirk. 45. Arius tonggol. Arms tonggol, Bleek. Verh. Bat. Gen. xxi. Silur. Bat. p. 48. crossocheilos, Bleek. I. c. p. 4G. Anodes tonggol, Bleek. Prodr. Silur. p. 83, and Atl. Ichih. Silur. p. 39. tab. 57. D. 1/7. A. 18. P. 1/11. The height of the body is contained five times in the total length (without caudal), the length of the head thrice and a half or thric* and four-fifths ; head depressed, much broader than high, its width being two-thirds of its length. The occipital process is triangular, with the sides convex, a little longer than broad, and much elevated along its middle; basal bone of the dorsal spine small. Teeth on the palate granular, forming four separate groups : two small ones on the vomer, and one oblong on each palatine : those on the vomer are half as large as the eye. The palatine bands convergent The maxillary barbels extend to the operates. The soft dorsal fin is rather higher than the body; its spine is of moderate strength, its length being contained once and a third in that of the head; it is granular in front, and serrated behind. Adipose fin shorter than the dorsal; the pectoral spine is stronger than, and as long as, that of the dorsal fin. Pins yellowish. Java, Sumatra, Bintang, Banka. a. Type of the species. From Dr. P. v. Bleeker's Collection. 46. Arius argyropleuron Arius argyropleuron, (Kuhl 8f van Mass.) Cuv. Sf Val. xv. p. 104. acutus, BUek. Verh. Bat. Genootsch. xxi. Siluf. Bat. p. 41. <- hamiltonis, Bleek. I. c. p. 47. Ariodes acutus, Bleek. Prodr. Silur. p. 8/. argyropleur
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