Table of Contents

February 1872; Volume s3-3,Issue 14

Extraterrestrial geology

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Observations on Encke's Comet at the Darmouth College Observatory
C. A. Young

American Journal of Science February 1872, s3-3 (14) 81-84; DOI: https://doi.org/10.2475/ajs.s3-3.14.81

Stratigraphy

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Note on the occurrence of the Primordial fauna in Nevada
Josiah Dwight Whitney

American Journal of Science February 1872, s3-3 (14) 84-86; DOI: https://doi.org/10.2475/ajs.s3-3.14.84
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Notice of the address of Prof T. Sterry Hunt before the American Association at Indianapolis
James Dwight Dana

American Journal of Science February 1872, s3-3 (14) 86-93; DOI: https://doi.org/10.2475/ajs.s3-3.14.86
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On the age of the quartzites, schists, and conglomerates of Sauk County, Wisconsin
Roland Duer Irving

American Journal of Science February 1872, s3-3 (14) 93-99; DOI: https://doi.org/10.2475/ajs.s3-3.14.93

Quaternary geology

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On Canon Moseley's views upon glacier motion
W. Mathews

American Journal of Science February 1872, s3-3 (14) 99-104; DOI: https://doi.org/10.2475/ajs.s3-3.14.99

Hydrogeology

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The hot springs and geysers of the Yellowstone and Firehole rivers
Ferdinand Vandiveer Hayden

American Journal of Science February 1872, s3-3 (14) 105-115; DOI: https://doi.org/10.2475/ajs.s3-3.14.105

Igneous and metamorphic petrology

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Notes on granitic rocks; Part III
T. Sterry Hunt

American Journal of Science February 1872, s3-3 (14) 115-125; DOI: https://doi.org/10.2475/ajs.s3-3.14.115

Invertebrate paleontology

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Brief contributions to zoology from the Museum of Yale College; No. XVII, Descriptions of North American fresh-water leeches
A. E. Verrill

American Journal of Science February 1872, s3-3 (14) 126-139; DOI: https://doi.org/10.2475/ajs.s3-3.14.126