Table of Contents

August 1893; Volume s3-46,Issue 272

General geochemistry

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The use of cupric nitrate in the voltameter, and the electro-chemical equivalent of copper
F. E. Beach

American Journal of Science August 1893, s3-46 (272) 81-88; DOI: https://doi.org/10.2475/ajs.s3-46.272.81
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On the reduction of nitric acid by ferrous salts
C. F. Roberts

American Journal of Science August 1893, s3-46 (272) 126-134; DOI: https://doi.org/10.2475/ajs.s3-46.272.126

Mineralogy of non-silicates

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On the double halides of arsenic with caesium and rubidium; and on some compounds of arsenious oxides with the halides of caesium, rubidium and potassium
H. L. Wheeler

American Journal of Science August 1893, s3-46 (272) 88-98; DOI: https://doi.org/10.2475/ajs.s3-46.272.88
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On canfieldite, a new germanium mineral and on the chemical composition of argyrodite
S. L. Penfield

American Journal of Science August 1893, s3-46 (272) 107-113; DOI: https://doi.org/10.2475/ajs.s3-46.272.107

Mineralogy

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On mackintoshite, a new thorium and uranium mineral
William Earl Hidden

American Journal of Science August 1893, s3-46 (272) 98-103; DOI: https://doi.org/10.2475/ajs.s3-46.272.98
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Alnoite containing an uncommon variety of melilite
Charles Henry Smyth

American Journal of Science August 1893, s3-46 (272) 104-107; DOI: https://doi.org/10.2475/ajs.s3-46.272.104

Quaternary geology

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Epeirogenic movements associated with glaciation
Warren Upham

American Journal of Science August 1893, s3-46 (272) 114-121; DOI: https://doi.org/10.2475/ajs.s3-46.272.114

Invertebrate paleontology

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On antennae and other appendages of Triarthrus beckii
W. D. Matthew

American Journal of Science August 1893, s3-46 (272) 121-125; DOI: https://doi.org/10.2475/ajs.s3-46.272.121
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Larval forms of trilobites from the lower Helderberg group
Charles Emerson Beecher

American Journal of Science August 1893, s3-46 (272) 142-147; DOI: https://doi.org/10.2475/ajs.s3-46.272.142

Paleobotany

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Concerning the structure of caoutchouc
H. F. Lueders

American Journal of Science August 1893, s3-46 (272) 135-137; DOI: https://doi.org/10.2475/ajs.s3-46.272.135

Oceanography

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Fisher's new hypothesis
G. F. Becker

American Journal of Science August 1893, s3-46 (272) 137-139; DOI: https://doi.org/10.2475/ajs.s3-46.272.137

Igneous and metamorphic petrology

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Criticism of Mr. Fisher's remarks on rock fusion
C. Barus

American Journal of Science August 1893, s3-46 (272) 140-141; DOI: https://doi.org/10.2475/ajs.s3-46.272.140