. Cuvier's animal kingdom : arranged according to its organization. Animals. 332 PISCES. mouthed Dog-fish. Light-brown, with ocellated spots. All the three are peculiarly destructive to the more valuable fishes. Some foreign ones have a slight difference of character. The Sharks properly so called include all species with a produced snout, no nasal grooves, and with a caudal lobe more or less forked. They form the genus Carchariwt,—a numerous and notorious tribe, with trenchant-pointed teeth, usually serrated in the margins ; the first dorsal before the ventrals ; the second nearly opposite th
. Cuvier's animal kingdom : arranged according to its organization. Animals. 332 PISCES. mouthed Dog-fish. Light-brown, with ocellated spots. All the three are peculiarly destructive to the more valuable fishes. Some foreign ones have a slight difference of character. The Sharks properly so called include all species with a produced snout, no nasal grooves, and with a caudal lobe more or less forked. They form the genus Carchariwt,—a numerous and notorious tribe, with trenchant-pointed teeth, usually serrated in the margins ; the first dorsal before the ventrals ; the second nearly opposite the anals. They have no spiracles ; the nostrils are in the middle of the snout, and the last gill-opening extends over the pectorals. C. vulgaris, the White Shark, is some- times twenty feet long, with isosceles-triangular teeth, ragged at the sides, and the lower ones narrow points placed on wider bases ; these teeth in the mouth of such a fish forming weapons dreaded by all mariners. Found in most seas. [Its appear- ance on the British shores has been mentioned, but it wants authentication.] C. vulpes, the Fox- shark, or Thresher.—Triangular teeth in both jaws ; upper lobe of the tail as long as the whole body; second dorsal and anal very small. C fflau- cus, the Blue Shark, with curved-sided teeth above, inclining outwards, and straighter ones be- low ; all ragged on the Tig. 147, White Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cuvier, Georges, baron, 1769-1832; McMurtrie, Henry, 1793-1865; Metcalf Collection (North Carolina State University). NCRS. London : Orr and Smith
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