Table of Contents

May 1884; Volume s3-27,Issue 161

Quaternary geology

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Remarks on Professor Newcomb's "Rejoinder"
J. Croll

American Journal of Science May 1884, s3-27 (161) 343-349; DOI: https://doi.org/10.2475/ajs.s3-27.161.343
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Extinct glaciers of the San Juan Mountains
R. C. Hills

American Journal of Science May 1884, s3-27 (161) 391-396; DOI: https://doi.org/10.2475/ajs.s3-27.161.391

Mineralogy

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On an interesting variety of lollingite and other minerals
W. F. Hillebrand

American Journal of Science May 1884, s3-27 (161) 349-357; DOI: https://doi.org/10.2475/ajs.s3-27.161.349
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On secondary enlargements of feldspar fragments in certain Keweenawan sandstones
Charles Richard Van Hise

American Journal of Science May 1884, s3-27 (161) 399-403; DOI: https://doi.org/10.2475/ajs.s3-27.161.399

Seismology

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Notes on American earthquakes, No. 13
C. G. Rockwood

American Journal of Science May 1884, s3-27 (161) 358-364; DOI: https://doi.org/10.2475/ajs.s3-27.161.358

Environmental geology

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Thermometer exposure
H. A. Hazen

American Journal of Science May 1884, s3-27 (161) 365-378; DOI: https://doi.org/10.2475/ajs.s3-27.161.365

Sedimentary petrology

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Hillocks of angular gravel and disturbed stratification
Thomas Chrowder Chamberlin

American Journal of Science May 1884, s3-27 (161) 378-390; DOI: https://doi.org/10.2475/ajs.s3-27.161.378

Paleobotany

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Gender of names of varieties
A. Gray

American Journal of Science May 1884, s3-27 (161) 396-398; DOI: https://doi.org/10.2475/ajs.s3-27.161.396

Vertebrate paleontology

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Principal characters of American Cretaceous pterodactyls; Part 1, The skull of Pteranodon
Othniel Charles Marsh

American Journal of Science May 1884, s3-27 (161) 423-426; DOI: https://doi.org/10.2475/ajs.s3-27.161.423