Table of Contents

August 1871; Volume s3-2,Issue 8

Environmental geology

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Historical notes on the systems of weather telegraphy, especially their development in the United States
Cleveland Abbe

American Journal of Science August 1871, s3-2 (8) 81-88; DOI: https://doi.org/10.2475/ajs.s3-2.8.81
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Tornadoes of the southern states
H. S. Whitfield

American Journal of Science August 1871, s3-2 (8) 96-108; DOI: https://doi.org/10.2475/ajs.s3-2.8.96

Invertebrate paleontology

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Infusorial circuit of generations
T. C. Hilgard

American Journal of Science August 1871, s3-2 (8) 88-96; DOI: https://doi.org/10.2475/ajs.s3-2.8.88
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Preliminary notice of new North American Phylopoda
A. S. P. Packard

American Journal of Science August 1871, s3-2 (8) 108-113; DOI: https://doi.org/10.2475/ajs.s3-2.8.108
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Brief contributions to zoology from the Museum of Yale College; No. XV, Descriptions of starfishes and ophiurians from the Atlantic coasts of America and Africa
A. E. Verrill

American Journal of Science August 1871, s3-2 (8) 130-133; DOI: https://doi.org/10.2475/ajs.s3-2.8.130

Miscellaneous

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On a new difference engine
G. B. Grant

American Journal of Science August 1871, s3-2 (8) 113-117; DOI: https://doi.org/10.2475/ajs.s3-2.8.113

Applied geophysics

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A new form of galvanometer
J. Trowbridge

American Journal of Science August 1871, s3-2 (8) 118-120; DOI: https://doi.org/10.2475/ajs.s3-2.8.118

Vertebrate paleontology

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Notice of some new fossil mammals and birds from the Tertiary formation of the West
Othniel Charles Marsh

American Journal of Science August 1871, s3-2 (8) 120-127; DOI: https://doi.org/10.2475/ajs.s3-2.8.120

Areal geology

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Notes on the distribution of the vegetation of Santo Domingo
William More Gabb

American Journal of Science August 1871, s3-2 (8) 127-129; DOI: https://doi.org/10.2475/ajs.s3-2.8.127

Igneous and metamorphic petrology

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Notice of the meteoric stone of Searsmont, Maine
Charles Upham Shepard

American Journal of Science August 1871, s3-2 (8) 133-136; DOI: https://doi.org/10.2475/ajs.s3-2.8.133

Extraterrestrial geology

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Letter to the editors from Dr. B. A. Gould, director of the Cordoba Observatory, dated Cordoba, April 26, 1871
B. A. Gould

American Journal of Science August 1871, s3-2 (8) 136-137; DOI: https://doi.org/10.2475/ajs.s3-2.8.136