. Catalogue of the fishes in the British Museum. British Museum (Natural History); Fishes. t>4. 179 Silurus bagre, L. Syst. Nat. p. 505. Galeichthys gronovii, Cuv. 4" Vol. xv. p. 40; Kner, Sitzgsber. Wien. Acad. xxvi. p. 392. fig. 8 (air-bladder). eydouxii, Cuv. fy Val. xv. p. 43. Bcgrua macronemus, Ranzani, in Nov. Comm. Acad. Sc. Inst. Bonon, 1842, v. p. 334. tab. 28. Mystus carolinensis, Gronov. Syst. ed. Gray, p. 156. B. 6. D. 1/7. A. 29-32. P. 1/12. The maxillary barbels extend to, or beyond, tbe anal. Pectoral and dorsal spines of nearly equal length, shorter than t
. Catalogue of the fishes in the British Museum. British Museum (Natural History); Fishes. t>4. 179 Silurus bagre, L. Syst. Nat. p. 505. Galeichthys gronovii, Cuv. 4" Vol. xv. p. 40; Kner, Sitzgsber. Wien. Acad. xxvi. p. 392. fig. 8 (air-bladder). eydouxii, Cuv. fy Val. xv. p. 43. Bcgrua macronemus, Ranzani, in Nov. Comm. Acad. Sc. Inst. Bonon, 1842, v. p. 334. tab. 28. Mystus carolinensis, Gronov. Syst. ed. Gray, p. 156. B. 6. D. 1/7. A. 29-32. P. 1/12. The maxillary barbels extend to, or beyond, tbe anal. Pectoral and dorsal spines of nearly equal length, shorter than the head. The teeth on the palate form a band, which is slightly interrupted in the middle and on each side of the vomer. Tropical America. a. Half-grown. Demerara. Presented by Dr. Hancock as Pimelodus buer%i. b. Half-grown. South America. Presented by Sir R. Schomburgk. c-d. Half-grown and young. West Indies. Purchased of Mr. Scrivener. e-f. Half-grown: stuffed. West Indies. Purchased of Mr. Scrivener. (j. Adult. Purchased of Mr. Frank. h. Half-grown. /3. A large subquadrangular buckler on the nape. 4. JElurichthys nuchalis. D. 1/7. A. 26. P. 1/12. The height of the body is rather less than the length of the head, which is two-ninths of the total (without caudal); the greatest width of the head is three-fourths of its length; snout longer than1 the eye, the diameter of which is rather less than one-fourth of the length of the head. The vomerine band of teeth is separated in the middle by a short interspace, each half being as broad and long as the palatine band with which it is subcontinuous. The maxillary barbels extend to the root of the ventral, those of the mandible nearly to the pectoral. The dorsal buckler is as broad behind as in front, with rounded lateral margins, each half being bent downwards on the side. Dorsal fin narrow and elevated, the first ray being considerably longer than the spine, which is as long as the head without snout; pectoral spine equal to the dor
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