Table of Contents

January 1875; Volume s3-9,Issue 49

Environmental geology

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Results derived from an examination of the United States weather maps for 1872 and 1873; Part II
E. Loomis

American Journal of Science January 1875, s3-9 (49) 1-14; DOI: https://doi.org/10.2475/ajs.s3-9.49.1

Areal geology

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On some points in the geology of the Blue Ridge in Virginia
William Morris Fontaine

American Journal of Science January 1875, s3-9 (49) 14-22; DOI: https://doi.org/10.2475/ajs.s3-9.49.14

General geochemistry

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Projection of the Fraunhofer lines of diffraction and prismatic spectra on a screen
John C. Draper

American Journal of Science January 1875, s3-9 (49) 22-24; DOI: https://doi.org/10.2475/ajs.s3-9.49.22

Solid-earth geophysics

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Abstract of results from a new discussion of the secular change of the magnetic declination in the United States, and some adjacent places in North and Central America
Charles A. Schott

American Journal of Science January 1875, s3-9 (49) 25-36; DOI: https://doi.org/10.2475/ajs.s3-9.49.25

Extraterrestrial geology

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On the tails of comets
Henry M. Parkhurst

American Journal of Science January 1875, s3-9 (49) 37-41; DOI: https://doi.org/10.2475/ajs.s3-9.49.37
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The very much extended nebulae of Sir John Herschel's general catalogue
Cleveland Abbe

American Journal of Science January 1875, s3-9 (49) 42-46; DOI: https://doi.org/10.2475/ajs.s3-9.49.42
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On Venus as a luminous ring
C. S. Lyman

American Journal of Science January 1875, s3-9 (49) 47-48; DOI: https://doi.org/10.2475/ajs.s3-9.49.47
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Discovery of a new planet
James C. Watson

American Journal of Science January 1875, s3-9 (49) 48; DOI: https://doi.org/10.2475/ajs.s3-9.49.48

Geomorphology

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Ancient lake basins of the Rocky Mountain region
Othniel Charles Marsh

American Journal of Science January 1875, s3-9 (49) 49-52; DOI: https://doi.org/10.2475/ajs.s3-9.49.49