Table of Contents

June 1883; Volume s3-25,Issue 150

Stratigraphy

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On the nature of the induration in the Saint Peters and Potsdam sandstones and in certain Archean quartzites in Wisconsin
Roland Duer Irving

American Journal of Science June 1883, s3-25 (150) 401-411; DOI: https://doi.org/10.2475/ajs.s3-25.150.401
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On the existence of a deposit in northeastern Montana and northwestern Dakota that is possibly equivalent with the Green River group
Charles Abiathar White

American Journal of Science June 1883, s3-25 (150) 411-414; DOI: https://doi.org/10.2475/ajs.s3-25.150.411

Vertebrate paleontology

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On a new extinct genus and species of Percidae from Dakota Territory
Edward Drinker Cope

American Journal of Science June 1883, s3-25 (150) 414-416; DOI: https://doi.org/10.2475/ajs.s3-25.150.414

Igneous and metamorphic petrology

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On the peculiar concretions occuring in meteoric irons
John Lawrence Smith

American Journal of Science June 1883, s3-25 (150) 417-423; DOI: https://doi.org/10.2475/ajs.s3-25.150.417

Economic geology, general

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On mineral vein formation now in progress at Steamboat Springs compared with the same at Sulphur Bank
Joseph Le Conte

American Journal of Science June 1883, s3-25 (150) 424-428; DOI: https://doi.org/10.2475/ajs.s3-25.150.424

Extraterrestrial geology

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Observations of the transit of Venus, Dec. 6th, 1882, at the Vanderbilt University observatory, Nashville, Tenn.
O. H. Landreth

American Journal of Science June 1883, s3-25 (150) 428-431; DOI: https://doi.org/10.2475/ajs.s3-25.150.428

General paleontology

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On the fauna found at Lime Creek, Iowa, and its relation to other geological faunas
Samuel Calvin

American Journal of Science June 1883, s3-25 (150) 432-436; DOI: https://doi.org/10.2475/ajs.s3-25.150.432

Quaternary geology

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Observations upon stratified drift in Delaware
Frederick Dixon Chester

American Journal of Science June 1883, s3-25 (150) 436-440; DOI: https://doi.org/10.2475/ajs.s3-25.150.436

Geomorphology

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On the western discharge of the flooded Connecticut, or that through the Farmington Valley to New Haven Bay
James Dwight Dana

American Journal of Science June 1883, s3-25 (150) 440-448; DOI: https://doi.org/10.2475/ajs.s3-25.150.440

Miscellaneous

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Results of some experiments made to determine the variations in length of certain bars at the temperature of melting ice
R. S. Woodward, E. S. Wheeler, A. R. Flint and W. Voigt

American Journal of Science June 1883, s3-25 (150) 448-459; DOI: https://doi.org/10.2475/ajs.s3-25.150.448

Mineralogy

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On scovillite, a new phosphate of didymium, yttrium, and other rare earths, from Salisbury, Connecticut
George Jarvis Brush and S. L. Penfield

American Journal of Science June 1883, s3-25 (150) 459-463; DOI: https://doi.org/10.2475/ajs.s3-25.150.459