Table of Contents

Articles

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  The relation between chemical composition and paragenesis in the biotite micas of igneous rocks

  Stephen Robert Nockolds

  American Journal of Science July 1947, 245 (7) 401-420; DOI: https://doi.org/10.2475/ajs.245.7.401
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  A glacial-age peat deposit near Pittsburgh

  James Morton Schopf and Aureal Theophilus Cross

  American Journal of Science July 1947, 245 (7) 421-433; DOI: https://doi.org/10.2475/ajs.245.7.421
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  Variation in the molars of the living African elephant and a critical revision of the fossil Proboscidea of southern Africa; Part I

  Herbert Basil Sutton Cooke

  American Journal of Science July 1947, 245 (7) 434-457; DOI: https://doi.org/10.2475/ajs.245.7.434