Table of Contents

Articles

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  Kansas Permian insects; Part 3, the new Protohymenoptera

  Robin John Tillyard

  American Journal of Science August 1924, s5-8 (44) 111-122; DOI: https://doi.org/10.2475/ajs.s5-8.44.111
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  An Oligocene cashew nut from South America

  E. W. Berry

  American Journal of Science August 1924, s5-8 (44) 123-126; DOI: https://doi.org/10.2475/ajs.s5-8.44.123
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  Quantitative studies of the Bridge Creek flora

  Ralph Works Chaney

  American Journal of Science August 1924, s5-8 (44) 127-144; DOI: https://doi.org/10.2475/ajs.s5-8.44.127
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  Kempite, a new manganese mineral from California

  Austin Flint Rogers

  American Journal of Science August 1924, s5-8 (44) 145-150; DOI: https://doi.org/10.2475/ajs.s5-8.44.145
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  The origin of vertebrates

  H. C. Delsman

  American Journal of Science August 1924, s5-8 (44) 151-158; DOI: https://doi.org/10.2475/ajs.s5-8.44.151
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  A correlation of the Mesozoic formations of the Pacific Coast of North America

  R. W. Goranson

  American Journal of Science August 1924, s5-8 (44) 159-182; DOI: https://doi.org/10.2475/ajs.s5-8.44.159
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  Note on a mammoth tusk from the Arctic Archipelago

  Edward Martin Kindle

  American Journal of Science August 1924, s5-8 (44) 183-185; DOI: https://doi.org/10.2475/ajs.s5-8.44.183