Report of the United States Geological Survey of the territories . ng of an internal cast, broken so as to give an unnatural truncated appearance to the columella and lower part of the ). An epposite view of the same. FlGS. 11 AND 12. 11 AM IN EA 1 OCCIDENTALIS 271 11,0. An internal cast, natural size. 11, 6. An aperture view of another internal cast, broken about the base of the aperture (type- specinien). 12,«. Another cast, also with lip broken. 12,7). The same, magnified ; the truncated appearance of the columella being due to a 13. gracile. 206 13, a. A speci
Report of the United States Geological Survey of the territories . ng of an internal cast, broken so as to give an unnatural truncated appearance to the columella and lower part of the ). An epposite view of the same. FlGS. 11 AND 12. 11 AM IN EA 1 OCCIDENTALIS 271 11,0. An internal cast, natural size. 11, 6. An aperture view of another internal cast, broken about the base of the aperture (type- specinien). 12,«. Another cast, also with lip broken. 12,7). The same, magnified ; the truncated appearance of the columella being due to a 13. gracile. 206 13, a. A specimen, witli the larger part broken away. 13, b The larger part of another specimen, on which the longitudinal stria are nearly obsolete. 13, c. Surface-markings, from lig. 13, a, magnified. 13,<7 An nt 1 mi- .seel ion ot the larger cud of the Specimen, represented by fig 13. 6. 14. Km ii: 209 A part of the shell, natural size (typo-specimen). ! I >. Om $iir\Hl) irfllic vLcffiTH- is l i ni Pierre Croup. I I,,VII. PLATE 19. Pago,Fig. 1. Odontobasis ventricosa 354 1, a. A dorsal view, natural size, of the type-specimen. I, b. An opposite view. [Aperture more correctly represented in the enlarged wood-out given in the text.]l,c. Magnified, surface-markings, of same species. Fig. 2. Fasciolaria? (Cryptorhitis) elexicostata 367 An imperfect specimen, dorsal view. [See cut in text.]Fig. 3. Anchura? subl^vis 32? 3, a. A specimen, with the lip broken away (type). 3, b. An opposite view of the same. Fig. 4. Anchura ? parva 328 An imperfect specimen, magnified three diameters (type).Fig. 5. Anchura () Nebrascensis 326 5, a. A perfect specimeu, magnified about two diameters. 5, J. Line, showing the length, natural size. 5, c. Magnified surface-markings. Fig. 6. Aporrhais biangulata .....: 322 6,0. Shell, natural size, with the upper part of the lip broken away (type). 6, b. Same, magnified. [See also cut in text.] 6, c Stripe, on a
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Keywords: ., bookcentury1800, bookdecade1870, bookpublisherwashi, bookyear1876
