DIY History | Transcribe | Scholarship at Iowa | Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898 | Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 154

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Coal Measures and Coal Mining in Iowa, including paleontology and a discussion on the coal formation; also the methods of mining by Russell T. Hartman, 1898

Coal Measures and Coal Mining in Iowa by Russell T. Hartman, 1898, Page 154

[page]153.[/page]

[underlined]Naticopsis altonensis[/underlined], McChesney.
Plate XI. figure. 15.
Ntica ventrica, Norwod [Norwood?] and Pratten, 1854, Jour. Acad. Nat. Sci. Philadelphia. Vol. III., p. 76.
Naticopsis magistes, Stevens, 1858, Am. Jour. Sci. Vol. XXV., p261.
Naticopsis pricei, Shumard, 1858, Trans. Saint Louis Acad. Sci. Vol. I. p. 202.
Natica shumardi, McChesney, 1860, Desc. New. Paleozoic Fossils, p.62.
Natica altonsis McChesney, the same p.63.
Naticopsis altonensis, McChesney, 1867, Trans. Chicago Acad. Sci. Vol. I., p50.
     Shell ovoid; spine short; volutions three or four in number, last one large and ventricose; above the large rounded peripheral angle the volutions are broadly but not deeply concave becoming convex again near the suture; below this angle the volutions are regularly rounded.

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[page]153.[/page] [underlined]Naticopsis altonensis[/underlined], McChesney. Plate XI. figure. 15. Ntica ventrica, Norwod [Norwood?] and Pratten, 1854, Jour. Acad. Nat. Sci. Philadelphia. Vol. III., p. 76. Naticopsis magistes, Stevens, 1858, Am. Jour. Sci. Vol. XXV., p261. Naticopsis pricei, Shumard, 1858, Trans. Saint Louis Acad. Sci. Vol. I. p. 202. Natica shumardi, McChesney, 1860, Desc. New. Paleozoic Fossils, p.62. Natica altonsis McChesney, the same p.63. Naticopsis altonensis, McChesney, 1867, Trans. Chicago Acad. Sci. Vol. I., p50. Shell ovoid; spine short; volutions three or four in number, last one large and ventricose; above the large rounded peripheral angle the volutions are broadly but not deeply concave becoming convex again near the suture; below this angle the volutions are regularly rounded.