Table of Contents

Articles

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  On certain fossil shells in the boulder clay of Boston Basin

  Edward Sylvester Morse

  American Journal of Science March 1920, s4-49 (291) 157-165; DOI: https://doi.org/10.2475/ajs.s4-49.291.157
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  Bismutoplagionite, a new mineral

  Earl Victor Shannon

  American Journal of Science March 1920, s4-49 (291) 166-168; DOI: https://doi.org/10.2475/ajs.s4-49.291.166
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  The Devonian formations of Illinois

  Thomas Edmund Savage

  American Journal of Science March 1920, s4-49 (291) 169-182; DOI: https://doi.org/10.2475/ajs.s4-49.291.169
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  Type section of the Morrison Formation

  Willis Thomas Lee

  American Journal of Science March 1920, s4-49 (291) 183-188; DOI: https://doi.org/10.2475/ajs.s4-49.291.183
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  A dicotyledonous flora in the type section of the Morrison Formation

  Frank Hall Knowlton

  American Journal of Science March 1920, s4-49 (291) 189-194; DOI: https://doi.org/10.2475/ajs.s4-49.291.189
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  Studies in the Cyperaceae; XXVIII, Notes on Carex franklinii Boott, and C. spectabilis Dew

  T. Holm

  American Journal of Science March 1920, s4-49 (291) 195-206; DOI: https://doi.org/10.2475/ajs.s4-49.291.195
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  The evolution of flowering plants and warm-blooded animals

  Edward Wilber Berry

  American Journal of Science March 1920, s4-49 (291) 207-211; DOI: https://doi.org/10.2475/ajs.s4-49.291.207