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Table of Contents

February 1891; Volume s3-41,Issue 242

Miscellaneous

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    A solution of the aurora problem
    Frank H. Bigelow
    American Journal of Science February 1891, s3-41 (242) 83-89; DOI: https://doi.org/10.2475/ajs.s3-41.242.83

Mineralogy

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    Columbite and tantalite from the Black Hills of South Dakota
    William Parker Headden
    American Journal of Science February 1891, s3-41 (242) 89-102; DOI: https://doi.org/10.2475/ajs.s3-41.242.89
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    On the chemical composition of aurichalcite
    Samuel Lewis Penfield
    American Journal of Science February 1891, s3-41 (242) 106-109; DOI: https://doi.org/10.2475/ajs.s3-41.242.106
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    Powellite; calcium molybdate; a new mineral species
    William Harlow Melville
    American Journal of Science February 1891, s3-41 (242) 138-141; DOI: https://doi.org/10.2475/ajs.s3-41.242.138

Economic geology of nonmetal deposits

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    Notes on the geology of the Florida phosphate deposits
    Horatio Darton
    American Journal of Science February 1891, s3-41 (242) 102-105; DOI: https://doi.org/10.2475/ajs.s3-41.242.102

Applied geophysics

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    Record of a deep well at Lake Worth. southern Florida
    Horatio Darton
    American Journal of Science February 1891, s3-41 (242) 105-106; DOI: https://doi.org/10.2475/ajs.s3-41.242.105

Hydrochemistry

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    Compressibility of hot water and its solvent action on glass
    Carl Barus
    American Journal of Science February 1891, s3-41 (242) 110-116; DOI: https://doi.org/10.2475/ajs.s3-41.242.110

Stratigraphy

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    An attempt to harmonize some apparently conflicting views of Lake Superior stratigraphy
    Charles Richard Van Hise
    American Journal of Science February 1891, s3-41 (242) 117-137; DOI: https://doi.org/10.2475/ajs.s3-41.242.117

Hydrogeology

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    Brueckner's Klimaschwankungen
    F. Waldo
    American Journal of Science February 1891, s3-41 (242) 141-151; DOI: https://doi.org/10.2475/ajs.s3-41.242.141

Vertebrate paleontology

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    The gigantic Ceratopsidae, or horned dinosaurs, of North America
    Othniel Charles Marsh
    American Journal of Science February 1891, s3-41 (242) 167-178; DOI: https://doi.org/10.2475/ajs.s3-41.242.167
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American Journal of Science
Vol. s3-41, Issue 242
February 1891
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  • Miscellaneous
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  • Economic geology of nonmetal deposits
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