Table of Contents

Articles

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  The new spectrum

  S. P. Langley

  American Journal of Science June 1901, s4-11 (66) 403-413; DOI: https://doi.org/10.2475/ajs.s4-11.66.403
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  Rival theories of cosmogony

  O. Fisher

  American Journal of Science June 1901, s4-11 (66) 414-422; DOI: https://doi.org/10.2475/ajs.s4-11.66.414
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  A study of some American fossil cycads; Part IV, Microsporangiate fructification of Cycadeoidea

  G. R. Wieland

  American Journal of Science June 1901, s4-11 (66) 423-436; DOI: https://doi.org/10.2475/ajs.s4-11.66.423
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  Studies of Eocene Mammalia in the Marsh Collection, Peabody Museum

  J. L. Wortman

  American Journal of Science June 1901, s4-11 (66) 437-450; DOI: https://doi.org/10.2475/ajs.s4-11.66.437
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  Caesium-antimonious fluorides and some other double halides of antimony

  H. L. Wells and F. J. Metzger

  American Journal of Science June 1901, s4-11 (66) 451-456; DOI: https://doi.org/10.2475/ajs.s4-11.66.451
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  "Monhawkite"

  Joseph W. Richards

  American Journal of Science June 1901, s4-11 (66) 457-458; DOI: https://doi.org/10.2475/ajs.s4-11.66.457