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Table of Contents

April 1894; Volume s3-47,Issue 280

Quaternary geology

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    Further studies of the drainage features of the upper Ohio Basin
    Thomas Chrowder Chamberlin and Frank Leverett
    American Journal of Science April 1894, s3-47 (280) 247-283; DOI: https://doi.org/10.2475/ajs.s3-47.280.247

Vertebrate paleontology

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    An apparatus to show, simultaneously to several hearers, the blending of the sensations of interrupted tones
    A. M. Mayer
    American Journal of Science April 1894, s3-47 (280) 283-285; DOI: https://doi.org/10.2475/ajs.s3-47.280.283

Stratigraphy

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    The post-Eocene formations of the Coastal Plain of Alabama
    Eugene Allen Smith
    American Journal of Science April 1894, s3-47 (280) 285-296; DOI: https://doi.org/10.2475/ajs.s3-47.280.285
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    On the occurrence of Olenellus in the Green Pond Mountain series of northern New Jersey, with a note on the conglomerates
    Charles Doolittle Walcott
    American Journal of Science April 1894, s3-47 (280) 309-311; DOI: https://doi.org/10.2475/ajs.s3-47.280.309

Mineralogy

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    Variscite from Utah
    Robert Lawrence Packard
    American Journal of Science April 1894, s3-47 (280) 297-298; DOI: https://doi.org/10.2475/ajs.s3-47.280.297
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    Contributions to the crystallization of willemite
    Samuel Lewis Penfield
    American Journal of Science April 1894, s3-47 (280) 305-309; DOI: https://doi.org/10.2475/ajs.s3-47.280.305
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    Notes on nickeliferous pyrite from Murray Mine, Sudbury, Ont
    Thomas Leonard Walker
    American Journal of Science April 1894, s3-47 (280) 312-314; DOI: https://doi.org/10.2475/ajs.s3-47.280.312

Invertebrate paleontology

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    The appendages of the pygidium of Triarthrus.
    Charles Emerson Beecher
    American Journal of Science April 1894, s3-47 (280) 298-300; DOI: https://doi.org/10.2475/ajs.s3-47.280.298
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    On the geological position of the Eocene deposits of Maryland and Virginia
    Gilbert Dennison Harris
    American Journal of Science April 1894, s3-47 (280) 301-304; DOI: https://doi.org/10.2475/ajs.s3-47.280.301
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American Journal of Science
Vol. s3-47, Issue 280
April 1894
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