. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. PIG. 1015.—lUtenus globosus. Two views. cuniculus, Hall, 1867, 20th Rep. N. Y. St. Mus. Nat. Hist., p. 421. Niagara Gr. daytonensis, Hall & Whitfield, 1875. Ohio Pal., vol. 2, p. 119, Niagara Gr. fraternus, Billings, 1865, Pal. Foss., vol. 1, p. 27^, Quebec Gr. globosus, Billings, 1859, Can. Nat. and Geo., vol. 4, p. 367, Chazy Gr. graftonensis, Meek & Worthen, 1869, Proc. Acad. Nat. Sci. Phil. and Geo. Su
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. PIG. 1015.—lUtenus globosus. Two views. cuniculus, Hall, 1867, 20th Rep. N. Y. St. Mus. Nat. Hist., p. 421. Niagara Gr. daytonensis, Hall & Whitfield, 1875. Ohio Pal., vol. 2, p. 119, Niagara Gr. fraternus, Billings, 1865, Pal. Foss., vol. 1, p. 27^, Quebec Gr. globosus, Billings, 1859, Can. Nat. and Geo., vol. 4, p. 367, Chazy Gr. graftonensis, Meek & Worthen, 1869, Proc. Acad. Nat. Sci. Phil. and Geo. Sur. 111., vol. 6, p. 508, Niagara Gr. grandis, Billings, 1859, Can. Nat. and Geo., vol. 4, p. 380, Hud. Riv. Gr. and Mid. Sil. herricki, Foerste, 1887, 15th Rep. Geo. and Nat. Hist, of Minn., p. 479, Trenton Gr. imperator. Hall, 1861, Rep. of Progr. Wis., p. 49, and 20th Rep. N. Y. St. Mus. Nat. Hist., p. 332, Niagara Gr. incertus, Billings, 1865, Pal. Foss., vol. 1, p. 332, Quebec Gr. indeterminatus, Walcott, 1877, 3l8t Rep. N. Y. St. Mus. Nat. Hist., p. 70, Black Riv. Gr. Fig. 1016.—lllsenus globosus. Side view. insignis, Hall, 1864, 20th Rep. N. Y. St. Mus. Nat. Hist., p. 331, Niagara Gr. ioxus. Hall, 1867, 20th Rep. N. Y. St. Mus. Nat. Hist., p. 420, Niagara Gr. latidorsatus. Hall, 1847, Pal. N. Y., vol. 1, p. 230, Trenton Gr. madisonanus, Whitfield, 188.*?, Geo. Wis., vol. 4, p. 307, Niagara Gr. milleri, Billings, , Can. and Geo., vol. 4, p. 375, Black Riv. and Tren- ton Grs. minnesotensis, Foerste, 1887, 15th Rep. Ge (. and Nat. Hist, of Minn., p. 478, Tr< nton Gr. nia^arensis, Whitfield, 1880, Ann. Rep. Geo. Sur. Wis., p. 68, Niagara Gr. orbioaudatus, Billings, 1859, Can. Nat. and Geo., vol. 4, p. 379, Hud. Riv. Gr. and Mid. Sil. ovatus, Conrad, 1843, (Thaleops ovatus,) Proc. Acad. Nat. Sci. Phil., vol. 1, p. 332, and Pal. N. Y., vol. 1, p. 259, Black Riv. Gr. pterocephalus, Whitfield, 1878, Ann. Rep. Geo. Sur. Wis., p. 87, and Geo. Wis., vol. 4, p. 3
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