Table of Contents

January 1886; Volume s3-31,Issue 181

Extraterrestrial geology

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Observations on invisible heat spectra and the recognition of hitherto unmeasured wavelengths made at the Allegheny Observatory
S. P. Langley

American Journal of Science January 1886, s3-31 (181) 1-12; DOI: https://doi.org/10.2475/ajs.s3-31.181.1

Paleobotany

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Botanical necrology of 1885
Asa Gray

American Journal of Science January 1886, s3-31 (181) 12-22; DOI: https://doi.org/10.2475/ajs.s3-31.181.12
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Tendril movements in Cucurbita maxima and C. pepo, with Plate V
D. P. Penhallow

American Journal of Science January 1886, s3-31 (181) 46-57; DOI: https://doi.org/10.2475/ajs.s3-31.181.46

Applied geophysics

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The isodynamic surfaces of the compound pendulum
F. E. Nipher

American Journal of Science January 1886, s3-31 (181) 22-26; DOI: https://doi.org/10.2475/ajs.s3-31.181.22

Igneous and metamorphic petrology

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The peridotites of the "Cortlandt series" on the Hudson River near Peekskill, New York
George Huntington Williams

American Journal of Science January 1886, s3-31 (181) 26-41; DOI: https://doi.org/10.2475/ajs.s3-31.181.26
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Description of a meteorite from Green County, Tennessee
William Phipps Blake

American Journal of Science January 1886, s3-31 (181) 41-46; DOI: https://doi.org/10.2475/ajs.s3-31.181.41