American Journal of Science: s2-49 (145)

January 1870; Volume s2-49,Issue 145

Applied geophysics

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Alexander von Humboldt, his early life, his education, his writings and his books
Henry Stevens

American Journal of Science January 1870, s2-49 (145) 1-13; DOI: https://doi.org/10.2475/ajs.s2-49.145.1
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The photo mapper
Henry M. Parkhurst

American Journal of Science January 1870, s2-49 (145) 37-43; DOI: https://doi.org/10.2475/ajs.s2-49.145.37

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Alexander von Humboldt, his early life, his education, his writings and his books
Henry Stevens

American Journal of Science January 1870, s2-49 (145) 1-13; DOI: https://doi.org/10.2475/ajs.s2-49.145.1
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Livingstone's African explorations; despatch from Dr. Livingstone to the Earl of Clarendon, dated near Lake Bangweolo, south central Africa, July 8th, 1868
Anonymous

American Journal of Science January 1870, s2-49 (145) 14-16; DOI: https://doi.org/10.2475/ajs.s2-49.145.14
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On the crater of Haleakala, Island of Maui, Hawaiian group
W. D. Alexander

American Journal of Science January 1870, s2-49 (145) 43-48; DOI: https://doi.org/10.2475/ajs.s2-49.145.43

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On the relation between the intensity of light produced from the combustion of illuminating gas and the volume of gas consumed
B. Silliman

American Journal of Science January 1870, s2-49 (145) 17-24; DOI: https://doi.org/10.2475/ajs.s2-49.145.17
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On a new method of separating tin from arsenic, antimony, and molybdenum
Frank Wigglesworth Clarke

American Journal of Science January 1870, s2-49 (145) 48-51; DOI: https://doi.org/10.2475/ajs.s2-49.145.48

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Principles of molecular and cosmical physics
W. A. Norton

American Journal of Science January 1870, s2-49 (145) 24-36; DOI: https://doi.org/10.2475/ajs.s2-49.145.24

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On a new method of separating tin from arsenic, antimony, and molybdenum
Frank Wigglesworth Clarke

American Journal of Science January 1870, s2-49 (145) 48-51; DOI: https://doi.org/10.2475/ajs.s2-49.145.48

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Notes on the structure of the Crinoidea, Cystidea, and Blastoidea
E. Billings

American Journal of Science January 1870, s2-49 (145) 51-58; DOI: https://doi.org/10.2475/ajs.s2-49.145.51
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Polarity and polycephalism, an essay on individuality
H. James Clark

American Journal of Science January 1870, s2-49 (145) 69-75; DOI: https://doi.org/10.2475/ajs.s2-49.145.69
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Contributions to zoology from the Museum of Yale College; No. V, Descriptions of echinoderms and corals from the Gulf of California
A. E. Verrill

American Journal of Science January 1870, s2-49 (145) 93-100; DOI: https://doi.org/10.2475/ajs.s2-49.145.93
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Note on the generic relations and synonymy of the common sea urchin of New England (Euryechinus drobachiensis Verrill)
A. E. Verrill

American Journal of Science January 1870, s2-49 (145) 101-103; DOI: https://doi.org/10.2475/ajs.s2-49.145.101
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On the early stages of brachiopods
E. S. Morse

American Journal of Science January 1870, s2-49 (145) 103-104; DOI: https://doi.org/10.2475/ajs.s2-49.145.103

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Upon a new spectroscope, with contributions to the spectral analysis of the stars
J. C. F. Zoellner

American Journal of Science January 1870, s2-49 (145) 58-68; DOI: https://doi.org/10.2475/ajs.s2-49.145.58

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On Laurentian rocks in eastern Massachusetts
Thomas Sterry Hunt

American Journal of Science January 1870, s2-49 (145) 75-78; DOI: https://doi.org/10.2475/ajs.s2-49.145.75

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Contributions to the chemistry of common salt; with particular reference to our home resources
C. A. Goessmann

American Journal of Science January 1870, s2-49 (145) 78-89; DOI: https://doi.org/10.2475/ajs.s2-49.145.78

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Contributions to the chemistry of common salt; with particular reference to our home resources
C. A. Goessmann

American Journal of Science January 1870, s2-49 (145) 78-89; DOI: https://doi.org/10.2475/ajs.s2-49.145.78

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Account of a fall of meteoric stones near Danville, Alabama, with an analysis of the same
John Lawrence Smith

American Journal of Science January 1870, s2-49 (145) 90-93; DOI: https://doi.org/10.2475/ajs.s2-49.145.90

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On the existence of a crocodile in Florida
Jeffries Wyman

American Journal of Science January 1870, s2-49 (145) 105-106; DOI: https://doi.org/10.2475/ajs.s2-49.145.105