Table of Contents

November 1883; Volume s3-26,Issue 155

Extraterrestrial geology

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Spectroscopic notes
C. A. Young

American Journal of Science November 1883, s3-26 (155) 333-336; DOI: https://doi.org/10.2475/ajs.s3-26.155.333

Igneous and metamorphic petrology

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On meteoric iron from near Dalton, Whitfield County, Georgia
Charles Upham Shepard

American Journal of Science November 1883, s3-26 (155) 336-338; DOI: https://doi.org/10.2475/ajs.s3-26.155.336

Economic geology, geology of nonmetal deposits

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Notice of corundum gems in the Himalaya region of India
C. U. Shepard

American Journal of Science November 1883, s3-26 (155) 339-340; DOI: https://doi.org/10.2475/ajs.s3-26.155.339

Quaternary geology

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Phenomena of the glacial and Champlain periods about the mouth of the Connecticut Valley-that is, in the New Haven region
James Dwight Dana

American Journal of Science November 1883, s3-26 (155) 341-361; DOI: https://doi.org/10.2475/ajs.s3-26.155.341

Mineralogy

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On a variety of descloizite from Mexico
Samuel Lewis Penfield

American Journal of Science November 1883, s3-26 (155) 361-365; DOI: https://doi.org/10.2475/ajs.s3-26.155.361

Invertebrate paleontology

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On Hybocrinus, Hoplocrinus, and Baerocrinus.
Charles Wachsmuth and F. Springer

American Journal of Science November 1883, s3-26 (155) 365-377; DOI: https://doi.org/10.2475/ajs.s3-26.155.365
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On the discovery of Utica slate graptolites on the west side of the Hudson a few miles north of Poughkeepsie, New York [identified by R. P. Whitfield]
Henry Booth and Robert Parr Whitfield

American Journal of Science November 1883, s3-26 (155) 380; DOI: https://doi.org/10.2475/ajs.s3-26.155.380

Vertebrate paleontology

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Evolution of the American trotting horse
W. H. Pickering

American Journal of Science November 1883, s3-26 (155) 378-380; DOI: https://doi.org/10.2475/ajs.s3-26.155.378
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Mr. Backhouse's observations on physiological optics
W. L. Stevens

American Journal of Science November 1883, s3-26 (155) 399-401; DOI: https://doi.org/10.2475/ajs.s3-26.155.399

Areal geology

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Becraft's Mountain [Columbia County, New York]
William Morris Davis

American Journal of Science November 1883, s3-26 (155) 381-389; DOI: https://doi.org/10.2475/ajs.s3-26.155.381

Geologic maps

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The nonconformity at Rondout, New York
William Morris Davis

American Journal of Science November 1883, s3-26 (155) 389-395; DOI: https://doi.org/10.2475/ajs.s3-26.155.389

Environmental geology

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Notice of agricultural, botanical and chemical results of experiments on the mixed herbage of permanent meadow, conducted for more than twenty years in succession on the same land
D. P. Penhallow

American Journal of Science November 1883, s3-26 (155) 395-399; DOI: https://doi.org/10.2475/ajs.s3-26.155.395