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Silurian

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    On the age of the clay slates and grits of Poughkeepsie
    Thomas Nelson Dale
    American Journal of Science January 1879, s3-17 (97) 57-59; DOI: https://doi.org/10.2475/ajs.s3-17.97.57
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    The coralline of Niagara limestone of the Appalachian system as represented at Nearpass Cliff, Montague, New Jersey
    Simeon T. Barrett
    American Journal of Science May 1878, s3-15 (89) 370-372; DOI: https://doi.org/10.2475/ajs.s3-15.89.370
  • You have access
    On the discovery of Lower Silurian fossils in limestone associated with hydromica slates, and on other points in the geology of Lehigh and Northampton counties, eastern Pennsylvania
    F. Prime
    American Journal of Science April 1878, s3-15 (88) 261-269; DOI: https://doi.org/10.2475/ajs.s3-15.88.261
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    Note on the Helderberg Formation of Bernardstown, Massachusetts, and Vernon, Vermont
    James Dwight Dana
    American Journal of Science November 1877, s3-14 (83) 379-387; DOI: https://doi.org/10.2475/ajs.s3-14.83.379
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    On the relations of the geology of Vermont to that of Berkshire
    J. D. Dana
    American Journal of Science October 1877, s3-14 (82) 257-264; DOI: https://doi.org/10.2475/ajs.s3-14.82.257
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    Notes on the internal and external structure of Paleozoic crinoids
    C. Wachsmuth
    American Journal of Science September 1877, s3-14 (81) 181-191; DOI: https://doi.org/10.2475/ajs.s3-14.81.181
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    The relations of the geology of Vermont to that of Berkshire
    J. D. Dana
    American Journal of Science September 1877, s3-14 (81) 202-207; DOI: https://doi.org/10.2475/ajs.s3-14.81.202
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    Notes on the Vespertine strata of Virginia and West Virginia
    William M. Fontaine
    American Journal of Science February 1877, s3-13 (74) 115-123; DOI: https://doi.org/10.2475/ajs.s3-13.74.115
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    Paleozoic subdivisions on the fortieth parallel
    Clarence King
    American Journal of Science June 1876, s3-11 (66) 475-482; DOI: https://doi.org/10.2475/ajs.s3-11.66.475
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    Description of a new trilobite, Dalmanites dentata.
    Simeon T. Barrett
    American Journal of Science March 1876, s3-11 (63) 200; DOI: https://doi.org/10.2475/ajs.s3-11.63.200

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