. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 873.—Orthodesma fnbeil. mickelboroughi, Whitfield, 1878, Jour. Cin. Soc. Nat. Hist., vol. 1, p. 139, Hud. Riv. Gr. occidentale, S. A. Miller, 1880, Jour. Cin. Soc. Nat. Hist., vol. 3, p. 316, Hud. parallelum. Hall, 1847, (Modiolopsis parallela,) Pal. N. Y., vol. 1, p. 158, Hud. Riv. Gr. rectum, Hall & Whitfield, 1875, Ohio Pal., vol. 2, p. 94, Hud. Riv. Fia. 874.—Orthodesma rectum. subovale,
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. 873.—Orthodesma fnbeil. mickelboroughi, Whitfield, 1878, Jour. Cin. Soc. Nat. Hist., vol. 1, p. 139, Hud. Riv. Gr. occidentale, S. A. Miller, 1880, Jour. Cin. Soc. Nat. Hist., vol. 3, p. 316, Hud. parallelum. Hall, 1847, (Modiolopsis parallela,) Pal. N. Y., vol. 1, p. 158, Hud. Riv. Gr. rectum, Hall & Whitfield, 1875, Ohio Pal., vol. 2, p. 94, Hud. Riv. Fia. 874.—Orthodesma rectum. subovale, Ulrich, 1879, Jour. Cin. Soc. Nat. Hist., vol. 2, p. 82, Hud. Riv. Gr. Okthonota, Conrad, 1841, Ann. Rep. N. Y., p. 50. [Ety. orthos, straight; notos, the back.] Transversely elon- gate ; margins subparallel; cardinal line straight; two cardinal teeth ; no lateral teeth ; ligament external; um- bonnl ridge oblique. Type O. undulata. angulifera, (?) McCov, 1850, Brit. Pal. Rocks, p. 276, Up Sil. carinata, Conrad, 1841, Ann. Rep. N. p. 51, and Pal. N. Y., vol. 5, pi. 78, figs. 34-35, Ham. Gr. contracta, see Orthodesma contractum. curta. Hall, 1843, Geo. Rep. 4th Dist. N. Y., p. 76, and Pal. N. Y., vol. 2, p. 86, Clinton and Niagara Gr. ensiformis. Hall, 1870, Prelim. Notice Lam. Shells, p. 89, and Pal. N. Y., vol. 5, pi. 78, fig. 36, Ham. Gr. incerta, Billings, 1874, Pal. Foss., vol. 2, p. 130, Up. Sil. parallela, see Orthodesma parallelum. ! ; I. 1 I I I. 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 Miller, S. A. (Samuel Almond), 1836-1897. Cincinnati : [s. n. ]
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