. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. (i(W.—Cyrto- liles dlegHiis. carinatuis S. A. Miller, 1874, Cin. Quar. Jour, feci., vol. 1, p. 311, Utica Slate, compressus, Conrud, 1838, (Phragmolites compressus,) Ann. Rep. N. Y., p. 119, and Pal. N. Y., vol. 1, p. 188, Black Riv. and Trenton Grs. conradi. Hall, 1802, <ieo. Rep. Wis., p. 55, Trenton Qr. coslalus, see Buoania costata. cristatus, Safford, 1869, (Jeo. of Tenn., p. 289, Nasiiville Gr. desid
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Fig. (i(W.—Cyrto- liles dlegHiis. carinatuis S. A. Miller, 1874, Cin. Quar. Jour, feci., vol. 1, p. 311, Utica Slate, compressus, Conrud, 1838, (Phragmolites compressus,) Ann. Rep. N. Y., p. 119, and Pal. N. Y., vol. 1, p. 188, Black Riv. and Trenton Grs. conradi. Hall, 1802, <ieo. Rep. Wis., p. 55, Trenton Qr. coslalus, see Buoania costata. cristatus, Safford, 1869, (Jeo. of Tenn., p. 289, Nasiiville Gr. desideratuB, Billings, 1866, Catal. Sil. Foss. Antic, p. 21, Hud. Riv. Gr. dyeri, Hall, 1871, 24th Rep. N. Y. Mus. NaT. Hist., p. 230, Hud. Riv. Gr. elegans, 8. A. Miller, 1874, Cin. Quar. Jour. Sci., vol. 1, p. 310, Hud. Riv. Gr. expansus. Hall, 1859. Pal. N. Y., vol. 3, p.' 479, Oriskany sandstone, filosus, Emmons, 1842, (Jeo. , p. 372, and Pal. N. Y., vol. 1, p. 190, Trenton Gr. gillanus, White & St. John, 1868, Trans. Chi. Acad. Sci., p. 123, Coal Meas. imbricatus, Meek & Worthen, 1868, (Jeo. Sur. 111., vol. 3, p. 340, Hud. Riv. Gr. magnus. S. A. Miller, 1878, Jour. Cin. Soc. Not, Hist., vol. 1, p. 103, Hud. Riv. Gr. mitella, seeCyrtonella mitella. nitidulus, tJ!nch, 1878, Jour. Cin. Soc. Nat. Hist., vol. 2, p. 12, Utica Slate Gr. ornatus, Conrad, 1838, Ann. Rep. N. Y., p. 118, and Pal. N. Y., vol. 1, p. 308, Hud. Riv. Gr. pannosus, Billings, 1866, Catal. Sil. Foss. Antic, p. 20, Hud. Riv. Gr. pig. pueohts, see Cyrtonella lltes omatns. pileolus. sinuatus, Hall & Whitfield, 1877, U. S. Geo. Expl. 40th parallel, vol. 4, p. 237, Quebec Gr. sinuosus, Hall, 1876, 28tb Rep. N. Y. Mus. Nat Hist., p. 178, Niagara Gr. trentonensis, Conrad, 1842, Jour. Acad. Nat. Sci., vol. 8, p. 270, and Pal. N. Y., vol. 1, p. 189, Trenton Gr. Cyrtonklla, Hall, 1879, Pal. N. Y., vol. 5, pt. 2, p. 123. [Ety. diminutive of Cyr- tolites.] Shells ovoid, trumpet-sh
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