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Table of Contents

February 1871; Volume s3-1,Issue 2

General geophysics

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    Observations on the variations of the magnetic declination in connection with the aurora of October 14th, 1870; with remarks on the physical connection between changes in area of disturbed solar surface and magnetic perturbations
    Alfred M. Mayer
    American Journal of Science February 1871, s3-1 (2) 77-82; DOI: https://doi.org/10.2475/ajs.s3-1.2.77

Igneous and metamorphic petrology

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    Notes on granitic rocks
    T. Sterry Hunt
    American Journal of Science February 1871, s3-1 (2) 82-89; DOI: https://doi.org/10.2475/ajs.s3-1.2.82

Vertebrate paleontology

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    On Siredon metamorphoses, etc.
    E. D. Cope
    American Journal of Science February 1871, s3-1 (2) 89-90; DOI: https://doi.org/10.2475/ajs.s3-1.2.89

Stratigraphy

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    Lower Carboniferous limestone in Ohio
    Ebenezer Baldwin Andrews
    American Journal of Science February 1871, s3-1 (2) 91-92; DOI: https://doi.org/10.2475/ajs.s3-1.2.91

Invertebrate paleontology

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    Brief contributions to zoology from the museum of Yale College; No. XI, Descriptions of some imperfectly known ascidians from New England
    A. E. Verrill
    American Journal of Science February 1871, s3-1 (2) 93-100; DOI: https://doi.org/10.2475/ajs.s3-1.2.93
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    On insects inhabiting salt water
    A. S. Packard
    American Journal of Science February 1871, s3-1 (2) 100-109; DOI: https://doi.org/10.2475/ajs.s3-1.2.100
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    On the existence of the nummulitic formation in China
    Ferdinand von Richthofen
    American Journal of Science February 1871, s3-1 (2) 110-113; DOI: https://doi.org/10.2475/ajs.s3-1.2.110
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    Note on the Infusoria flagellata and the Spongiae ciliatae
    H. James-Clark
    American Journal of Science February 1871, s3-1 (2) 113-114; DOI: https://doi.org/10.2475/ajs.s3-1.2.113
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    Note on transversely striated muscular fiber among the Gasteropoda
    W. H. Dall
    American Journal of Science February 1871, s3-1 (2) 123-125; DOI: https://doi.org/10.2475/ajs.s3-1.2.123

General geochemistry

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    Memoir of Thomas Graham
    Josiah P. Cooke
    American Journal of Science February 1871, s3-1 (2) 115-123; DOI: https://doi.org/10.2475/ajs.s3-1.2.115

Quaternary geology

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    Note to article I, on the Quaternary of the New Haven region
    J. D. Dana
    American Journal of Science February 1871, s3-1 (2) 125-126; DOI: https://doi.org/10.2475/ajs.s3-1.2.125

Miscellaneous

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    Auroral belt of October 24th-25th, 1870
    A. C. T.
    American Journal of Science February 1871, s3-1 (2) 126-129; DOI: https://doi.org/10.2475/ajs.s3-1.2.126
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American Journal of Science
Vol. s3-1, Issue 2
February 1871
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  • General geophysics
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  • Vertebrate paleontology
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