Image from page 409 of “The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy” (1849) – more Sharks goodness curated by www.SardineRunPE.co.za
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Title: The animal kingdom : arranged after its organization, forming a natural history of animals, and an introduction to comparative anatomy
Year: 1849 (1840s)
Authors: Cuvier, Georges, baron, 1769-1832 Metcalf Collection (North Carolina State University) NCRS Blyth, Edward, 1810-1873 Mudie, Robert, 1777-1842 Johnston, George, 1797-1855 Westwood, J. O. (John Obadiah), 1805-1893 Carpenter, William Benjamin, 1813-1885
Publisher: London : Wm. S. Orr and Co., Amen Corner, Paternoster Row
Contributing Library: NCSU Libraries
Digitizing Sponsor: NCSU Libraries
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Text Appearing Before Image:
hes mr.y be distinguished. Even themoveable articulations of other orders are not distinguishable in the whole of this : as,for instance, part of the vertebrae of some of the rays make a single piece, and somearticulations of the bones of the face also disappear. Among the latter, the mostprominent character is the reduction of the maxillaries and intermaxillaries to mererudiments concealed under the skin, while their functions are performed by the palatals,and sometimes by the vomer. The gelatinous substance which fills the intervals of thevertebrae in other fishes, and communicates from one to another by only a small hole,is, in several of this order, a long cord, which traverses all the vertebrae, with littlevariation of diameter. The series divides itself into two orders:—Those with free gills, like all otherFishes; and those with fixed gills, which are so attached to the skin by the internaledges that the water cannot escape from their intervals, except by holes in the surface.
Text Appearing After Image:
330 PISCES. THE FIRST ORDER OF CHONDROPTERYGII,— CHONDROPTERYGII BRANCHIIS LIBERIS,— (Or, with free gills), have in their gills a single wide opening, and a gill-lid, like the Bony Fishes, but they have no gill-rays. There are two genera.Accipenser, the Sturgeon.—General form hke that of the Shark, but the body more or less covered with bony plates in longitudinal rows, and the head externally armed with the same. Their mouth, placed under the muzzle, is small and toothless; and the palatal hones, soldered to the maxillaries, form the upper jaw, whilethere are vestiges of the in-termaxillaries in the tliickhps. Placed upon a pedicleof three articulations, thismouth is more protractile FiB,U6.-ThcSt.rg.o„. jj^^^ j^^j ^j jj^g g,^^^^ . the eyes and nostrils are on the sides of the head, and barbules are suspended from the muzzle; thelabyrinth within the cranial hones is perfect, but there is no external ear—the hole behind the templeleading merely to the gills. The dorsal is be
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