Table of Contents

Articles

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  The Hurricane fault in southwestern Utah and northwestern Arizona

  Louis Samuel Gardner

  American Journal of Science April 1941, 239 (4) 241-260; DOI: https://doi.org/10.2475/ajs.239.4.241
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  The Holyoke Range and Connecticut Valley structure

  George William Bain

  American Journal of Science April 1941, 239 (4) 261-275; DOI: https://doi.org/10.2475/ajs.239.4.261
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  The Cambrian section in the Logan Quadrangle, Utah and vicinity

  James Stewart Williams and George Burke Maxey

  American Journal of Science April 1941, 239 (4) 276-285; DOI: https://doi.org/10.2475/ajs.239.4.276
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  Davispia bearcreekensis Cooper, a new cicada from the Paleocene, with a brief review of the fossil Cicadidae

  Kenneth Willard Cooper

  American Journal of Science April 1941, 239 (4) 286-304; DOI: https://doi.org/10.2475/ajs.239.4.286
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  Optical, spectographic, and radioactivity studies of zircon

  John Harold Morgan and Marianna L. Auer

  American Journal of Science April 1941, 239 (4) 305-311; DOI: https://doi.org/10.2475/ajs.239.4.305
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  Are corrections to the original spelling of generic names advantageous?

  James Brookes Knight

  American Journal of Science April 1941, 239 (4) 312-315; DOI: https://doi.org/10.2475/ajs.239.4.312
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  Hardness of micaceous minerals

  George S. Switzer

  American Journal of Science April 1941, 239 (4) 316; DOI: https://doi.org/10.2475/ajs.239.4.316