The natural history of fishes, amphibians, & reptiles, or monocardian animals . body is elongated; and although both jaws are con-siderably lengthened, the upper one slightly exceeds theother, and terminates in a small but very distinct point:the angulated upper jaw, so conspicuous in the lastgroup, is also continued to this, and there is a smalladipose fin ; here, however, all similarity between themceases. The first dorsal fin is placed much nearer thecaudal, and both that and the adipose fin are situatedrather behind the ventral and anal: the teeth are, veryremarkable : being all equal, wit
The natural history of fishes, amphibians, & reptiles, or monocardian animals . body is elongated; and although both jaws are con-siderably lengthened, the upper one slightly exceeds theother, and terminates in a small but very distinct point:the angulated upper jaw, so conspicuous in the lastgroup, is also continued to this, and there is a smalladipose fin ; here, however, all similarity between themceases. The first dorsal fin is placed much nearer thecaudal, and both that and the adipose fin are situatedrather behind the ventral and anal: the teeth are, veryremarkable : being all equal, with their points directedbackwards: the ventral and anal fins are triangular, andof equal size; while the hard compact scales, markedwith longitudinal elevations, remind us immediately ofLaurida. In the sub-genus Hepsetus Sw., which in-cludes the African or Old World representatives of theAmerican Xiphostomi, the jaws, although narrow and s 2 260 CLASSIFICATION OF FISHES. rather attenuated at their tips, when viewed laterally,are nevertheless considerably wider above; but they
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Keywords: ., bookcentury1800, booksubj, booksubjectfishes, booksubjectreptiles
