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 57

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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 57

[page]56.[/page]

Missouri, Illinois, and Iowa. 
Reference.-- Final Report U. S. Geological Survey of Nebraska, page 143.

[underlined][underlined][underlined][underlined][underlined]ECHINODERMATA.[/underlined][/underlined][/underlined][/underlined][/underlined]

     This sub-kingdom contains simple marine animals, which when young are bilaterlly symmetrical; but in the adult state this symmetry is obscured by a radial arrangement of the parts. These animals have the alimentary canal separated from the true body cavity and with or without a distinct anus. The integument is hardened by a deposition of calcium carbonate and takes on a definite arrangement of plates.

DIVISION A. ECHINOZOA.

[underlined][underlined][underlined][underlined]ECHINOIDEA.[/underlined][/underlined][/underlined][/underlined]

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[page]56.[/page] Missouri, Illinois, and Iowa. Reference.-- Final Report U. S. Geological Survey of Nebraska, page 143. [underlined][underlined][underlined][underlined][underlined]ECHINODERMATA.[/underlined][/underlined][/underlined][/underlined][/underlined] This sub-kingdom contains simple marine animals, which when young are bilaterlly symmetrical; but in the adult state this symmetry is obscured by a radial arrangement of the parts. These animals have the alimentary canal separated from the true body cavity and with or without a distinct anus. The integument is hardened by a deposition of calcium carbonate and takes on a definite arrangement of plates. DIVISION A. ECHINOZOA. [underlined][underlined][underlined][underlined]ECHINOIDEA.[/underlined][/underlined][/underlined][/underlined]