Image from page 92 of "Conchologia systematica, or Complete system of conchology: in which the Lepades and conchiferous Mollusca are described and classified according to their natural organization and habits" (1841)
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the Chitones, but subsequently to the Sigareti and Neritfe ; whilstCuvier and De Blainville have rather approached to the arrangement ofLinneeus in placing them near to the Capulacea. The genus Padollus of De Montford was proposed for those specieswhose shells exhibit a longitudinal groove. The shell of Haliotis may be described as being ovate or ear-shaped,more or less depressed, and perforated with a straight series of holes ; theinside is pearly and prismatic, the outside rough and often wrinkled ; thespire is very short and sublateral ; the aperture large, and the columellagenerally flat Examples. PL CL. Fig. 1.Haliotis excavata, Lamarck, Anim. sans vert., vol. vi. part 2. p. 215. PI. CL. Fig. 2. Haliotis asinina, Linnseus, Syst. Nat., p. 1256. Martini, Conch., vol. i. pi. 16. f. 150.Haliotis asinium, Gmelin. PI. CL. Fig. 3. Haliotis parva, Linnteus, Syst. Nat., p. 3689. Martini, Conch., vol. i. pi. 14. f. 140.Haliotis canaliculata, Lamarck.Padollus ? De Montford, Gray. Plate CL,
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