Table of Contents

June 15, 1940; 26 (6)

Botany

  • Botany:
    • Robert A. Steinberg
    • and Charles Thom

    Mutations and Reversions in Reproductivity of Aspergilli with Nitrite, Colchicine and d-Lysine

    Proc Natl Acad Sci U S A 1940 26:363-366

Genetics

  • Genetics:
    • Carl P. Swanson

    A Comparison of Chromosomal Aberrations Induced by X-Ray and Ultra-Violet Radiation

    Proc Natl Acad Sci U S A 1940 26:366-373
  • Genetics:
    • B. P. Sonnenblick

    Cytology and Development of the Embryos of X-Rayed Adult Drosophila Melanogaster

    Proc Natl Acad Sci U S A 1940 26:373-381

Physiology and Biochemistry

  • Physiology and Biochemistry:
    • W. J. Crozier

    On the Law for Minimal Discrimination of Intensities

    Proc Natl Acad Sci U S A 1940 26:382-389
  • Physiology and Biochemistry:
    • James D. Hardy
    • and Eugene F. Du Bois

    Differences between Men and Women in Their Response to Heat and Cold

    Proc Natl Acad Sci U S A 1940 26:389-398

Astronomy

  • Astronomy:
    • Theodore Eugene Sterne,
    • Karl Frederick Guthe,
    • and Walter Orr Roberts

    On Possible Changes in the Solar “Constant”

    Proc Natl Acad Sci U S A 1940 26:399-406
  • Astronomy:
    • Henryk Arctowski

    On Solar Faculae and Solar Constant Variations

    Proc Natl Acad Sci U S A 1940 26:406-411

Chemistry

  • Chemistry:
    • Henry Borsook,
    • Edwin R. Buchman,
    • John B. Hatcher,
    • Don M. Yost,
    • and Edwin McMillan

    The Course of Thiamin Metabolism in Man as Indicated by the Use of Radioactive Sulfur

    Proc Natl Acad Sci U S A 1940 26:412-418
  • Chemistry:
    • S. Ruben
    • and M. D. Kamen

    Radioactive Carbon in the Study of Respiration in Heterotrophic Systems

    Proc Natl Acad Sci U S A 1940 26:418-422
  • Chemistry:
    • S. F. Carson
    • and S. Ruben

    CO 2 Assimilation by Proprionic Acid Bacteria Studied by the Use of Radioactive Carbon

    Proc Natl Acad Sci U S A 1940 26:422-426
  • Chemistry:
    • H. A. Barker,
    • S. Ruben,
    • and M. D. Kamen

    The Reduction of Radioactive Carbon Dioxide by Methane-Producing Bacteria

    Proc Natl Acad Sci U S A 1940 26:426-430

Physics

  • Physics:
    • A. M. Skellett

    The Coronaviser, an Instrument for Observing the Solar Corona in Full Sunlight

    Proc Natl Acad Sci U S A 1940 26:430-433

Mathematics

  • Mathematics:
    • C. L. Pekeris

    A Pathological Case in the Numerical Solution of Integral Equations

    Proc Natl Acad Sci U S A 1940 26:433-437
  • Mathematics:
    • Aaron Fialkow

    The Conformal Theory of Curves

    Proc Natl Acad Sci U S A 1940 26:437-439

This Issue

  1. Botany
  2. Genetics
  3. Physiology and Biochemistry
  4. Astronomy
  5. Chemistry
  6. Physics
  7. Mathematics

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