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Table of Contents

March 01, 1928; vol. 14 no. 3

Mathematics

  • You have access
    On the Separation of Points of a Continuous Curve by Arcs and Simple Closed Curves
    W. L. Ayres
    PNAS March 1, 1928 14 (3) 201-206; https://doi.org/10.1073/pnas.14.3.201
  • You have access
    On Some Properties of One-Valued Transformations of Manifolds
    H. Hopf
    PNAS March 1, 1928 14 (3) 206-214; https://doi.org/10.1073/pnas.14.3.206
  • You have access
    Harmony as a Principle of Mathematical Development
    G. A. Miller
    PNAS March 1, 1928 14 (3) 214-217; https://doi.org/10.1073/pnas.14.3.214
  • You have access
    Note on the Behavior of Certain Power Series on the Circle of Convergence with Application to a Problem of Carleman
    Einar Hille
    PNAS March 1, 1928 14 (3) 217-220; https://doi.org/10.1073/pnas.14.3.217

Biology

  • You have access
    Intra-Seasonal Cycles of Growth
    H. S. Reed
    PNAS March 1, 1928 14 (3) 221-229; https://doi.org/10.1073/pnas.14.3.221
  • You have access
    Studies on the Biochemical Differences between Sexes in Mucors
    Sophia Satina and A. F. Blakeslee
    PNAS March 1, 1928 14 (3) 229-235; https://doi.org/10.1073/pnas.14.3.229

Botany

  • You have access
    Induced Immunity in Plants
    Dontcho Kostoff
    PNAS March 1, 1928 14 (3) 236-237; https://doi.org/10.1073/pnas.14.3.236

Physiology

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    On the Binocular Fusion of Colors and Its Relation to Theories of Color Vision
    Selig Hecht
    PNAS March 1, 1928 14 (3) 237-241; https://doi.org/10.1073/pnas.14.3.237

Astronomy

  • You have access
    On the Motion of the Magellanic Clouds
    Willem J. Luyten
    PNAS March 1, 1928 14 (3) 241-245; https://doi.org/10.1073/pnas.14.3.241

Zoölogy

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    Artificial Production of Janus Embryos of Chaetopterus
    Albert Titlebaum
    PNAS March 1, 1928 14 (3) 245-247; https://doi.org/10.1073/pnas.14.3.245

Physics

  • You have access
    Anode and Cathode Sparks Differentiated by the Mucronate Electrode
    Carl Barus
    PNAS March 1, 1928 14 (3) 248-251; https://doi.org/10.1073/pnas.14.3.248
  • You have access
    A Spectroscopic Criterion for the Benzenoid Structure in Some Types of Triphenylmethane Derivatives
    R. C. Gibbs and C. V. Shapiro
    PNAS March 1, 1928 14 (3) 251-253; https://doi.org/10.1073/pnas.14.3.251
  • You have access
    The Dispersion by Hydrogen-Like Atoms in Undulatory Mechanics
    Boris Podolsky
    PNAS March 1, 1928 14 (3) 253-258; https://doi.org/10.1073/pnas.14.3.253
  • You have access
    The Production of Active Nitrogen
    Joseph Kaplan
    PNAS March 1, 1928 14 (3) 258-260; https://doi.org/10.1073/pnas.14.3.258
  • You have access
    On the Quantum Theory of the Ramsauer Effect
    J. R. Oppenheimer
    PNAS March 1, 1928 14 (3) 261-262; https://doi.org/10.1073/pnas.14.3.261
  • You have access
    The Fifth Dimension in Relativistic Quantum Theory
    Norbert Wiener and D. J. Struik
    PNAS March 1, 1928 14 (3) 262-268; https://doi.org/10.1073/pnas.14.3.262
  • You have access
    On the Extension of Thermodynamics to General Relativity
    Richard C. Tolman
    PNAS March 1, 1928 14 (3) 268-272; https://doi.org/10.1073/pnas.14.3.268
  • You have access
    On the Variation of the Electromotive Force in a Photoactive Cell, Containing a Fluorescent Electrolyte, with the Intensity of Illumination
    William Rule
    PNAS March 1, 1928 14 (3) 272-278; https://doi.org/10.1073/pnas.14.3.272
  • You have access
    A Note on Corona at High Humidity
    A. W. Simon
    PNAS March 1, 1928 14 (3) 279-280; https://doi.org/10.1073/pnas.14.3.279
  • You have access
    The Spark Spectrum of Neon
    H. N. Russell, K. T. Compton, and J. C. Boyce
    PNAS March 1, 1928 14 (3) 280-283; https://doi.org/10.1073/pnas.14.3.280

Statistics

  • You have access
    On Hierarchical Correlation Systems
    Edwin B. Wilson
    PNAS March 1, 1928 14 (3) 283-291; https://doi.org/10.1073/pnas.14.3.283

Correction

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    Application of the Law of Similitude to Hydraulic Laboratory Research
    PNAS March 1, 1928 14 (3) 292;

Correction

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    On the Classical Dirichlet Problem for General Domains
    PNAS March 1, 1928 14 (3) 292;
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