Table of Contents

February 1888; Volume s3-35,Issue 206

Seismology

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Seismoscopes and seismological investigations
Thomas Corwin Mendenhall

American Journal of Science February 1888, s3-35 (206) 97-114; DOI: https://doi.org/10.2475/ajs.s3-35.206.97

Igneous and metamorphic petrology

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On a new petrographical microscope of American manufacture
George Huntington Williams

American Journal of Science February 1888, s3-35 (206) 114-117; DOI: https://doi.org/10.2475/ajs.s3-35.206.114

Stratigraphy

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A new ammonite which throws additional light upon the geological position of the Alpine Rhaetic
W. B. Clark

American Journal of Science February 1888, s3-35 (206) 118-120; DOI: https://doi.org/10.2475/ajs.s3-35.206.118
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Three formations of the Middle Atlantic Slope [Potomac, Appomattox, Columbia]
W J [i. e. William John] McGee

American Journal of Science February 1888, s3-35 (206) 120-143; DOI: https://doi.org/10.2475/ajs.s3-35.206.120

Applied geophysics

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Experiments with the capillary electrometer of Lippmann
J. H. Pratt

American Journal of Science February 1888, s3-35 (206) 143-151; DOI: https://doi.org/10.2475/ajs.s3-35.206.143
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Theory of the bolometer
H. F. Reid

American Journal of Science February 1888, s3-35 (206) 160-166; DOI: https://doi.org/10.2475/ajs.s3-35.206.160

Extraterrestrial geology

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On the period of the rotation of the Sun as determined by the spectroscope
Henry Crew

American Journal of Science February 1888, s3-35 (206) 151-159; DOI: https://doi.org/10.2475/ajs.s3-35.206.151

Invertebrate paleontology

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Are there deep-sea Medusae?
J. W. Fewkes

American Journal of Science February 1888, s3-35 (206) 166-179; DOI: https://doi.org/10.2475/ajs.s3-35.206.166