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Table of Contents

June 01, 1939; vol. 25 no. 6

Chemistry

  • You have access
    The Constitution of Secretin
    Carl Niemann
    PNAS June 1, 1939 25 (6) 267-269; https://doi.org/10.1073/pnas.25.6.267

Geology and Paleontology

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    Eocene Amynodonts from Southern California
    Chester Stock
    PNAS June 1, 1939 25 (6) 270-275; https://doi.org/10.1073/pnas.25.6.270

Physiology and Biochemistry

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    The Active Uptake of Ions into Cells and Organisms
    August Krogh
    PNAS June 1, 1939 25 (6) 275-277; https://doi.org/10.1073/pnas.25.6.275

Genetics

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    Mammary Tumor Development in Mice Ovariectomized at Birth
    George Woolley, Elizabeth Fekete, and C. C. Little
    PNAS June 1, 1939 25 (6) 277-279; https://doi.org/10.1073/pnas.25.6.277
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    Observations on the Mechanism of Induced Chromosome Rearrangements in Sciara
    C. W. Metz and R. D. Boche
    PNAS June 1, 1939 25 (6) 280-284; https://doi.org/10.1073/pnas.25.6.280

ZoÖlogy and Anatomy

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    Evidence for the Existence of an Electro-Dynamic Field in Living Organisms
    H. S. Burr and F. S. C. Northrop
    PNAS June 1, 1939 25 (6) 284-288; https://doi.org/10.1073/pnas.25.6.284

Mathematics

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    Class Field Theory of Solvable Algebraic Number Fields
    D. M. Dribin
    PNAS June 1, 1939 25 (6) 289-290; https://doi.org/10.1073/pnas.25.6.289
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    On the Representation of Groups of Finite Order
    Richard Brauer
    PNAS June 1, 1939 25 (6) 290-295; https://doi.org/10.1073/pnas.25.6.290
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    Ordered Sets, Complexes and the Problem of Compactification
    J. W. Alexander
    PNAS June 1, 1939 25 (6) 296-298; https://doi.org/10.1073/pnas.25.6.296
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