Table of Contents

February 1877; Volume s3-13,Issue 74

Environmental geology

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Astronomical observations on the atmosphere of the Rocky Mountains, made at elevations of from 4,500 to 11,000 feet, in Utah and Wyoming territories and Colorado
Henry Draper

American Journal of Science February 1877, s3-13 (74) 89-94; DOI: https://doi.org/10.2475/ajs.s3-13.74.89
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On some points in connection with vegetation
J. H. Gilbert

American Journal of Science February 1877, s3-13 (74) 99-111; DOI: https://doi.org/10.2475/ajs.s3-13.74.99

Extraterrestrial geology

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Photographs of the spectra of Venus and Alpha Lyrae
Henry Draper

American Journal of Science February 1877, s3-13 (74) 95; DOI: https://doi.org/10.2475/ajs.s3-13.74.95
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Orbit of the planet Urda (167)
C. H. F. Peters

American Journal of Science February 1877, s3-13 (74) 112-113; DOI: https://doi.org/10.2475/ajs.s3-13.74.112

General geochemistry

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On dinitroparadibrombenzols and their derivatives; Part II
Peter Townsend Austen

American Journal of Science February 1877, s3-13 (74) 95-98; DOI: https://doi.org/10.2475/ajs.s3-13.74.95-a
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Contributions from the Sheffield Laboratory of Yale College; Part XLI, On the chemical composition of the flesh of Hippoglossus americanus
R. H. Chittenden

American Journal of Science February 1877, s3-13 (74) 123-124; DOI: https://doi.org/10.2475/ajs.s3-13.74.123

Miscellaneous

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Principles of compensation in chronometers
J. B. James

American Journal of Science February 1877, s3-13 (74) 113-114; DOI: https://doi.org/10.2475/ajs.s3-13.74.113

Stratigraphy

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Notes on the Vespertine strata of Virginia and West Virginia
William M. Fontaine

American Journal of Science February 1877, s3-13 (74) 115-123; DOI: https://doi.org/10.2475/ajs.s3-13.74.115

Sedimentary petrology

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Notes on the Vespertine strata of Virginia and West Virginia
William M. Fontaine

American Journal of Science February 1877, s3-13 (74) 115-123; DOI: https://doi.org/10.2475/ajs.s3-13.74.115

Paleobotany

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The effects of cross- and self-fertilization in the vegetable kingdom; discussion
Asa Gray

American Journal of Science February 1877, s3-13 (74) 125-141; DOI: https://doi.org/10.2475/ajs.s3-13.74.125

Invertebrate paleontology

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Note on Microdiscus speciosus.
Silas Watson Ford

American Journal of Science February 1877, s3-13 (74) 141-142; DOI: https://doi.org/10.2475/ajs.s3-13.74.141

Geomorphology

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On watercourses upon Long Island [N Y]
Elias Lewis

American Journal of Science February 1877, s3-13 (74) 142-146; DOI: https://doi.org/10.2475/ajs.s3-13.74.142