Table of Contents

January 15, 1940; 26 (1)

Genetics

  • Genetics:
    • C. B. Davenport

    Analysis of Variance Applied to Human Genetics

    Proc Natl Acad Sci U S A 1940 26:1-3
  • Genetics:
    • R. G. Helfer

    Two X-Ray Induced Mosaics in Drosophila Pseudoöbscura

    Proc Natl Acad Sci U S A 1940 26:3-7
  • Genetics:
    • John W. Gowen

    The Size of the Tobacco Mosaic Particle from X-Ray Determinations

    Proc Natl Acad Sci U S A 1940 26:8-10

Anthropology and Psychology

  • Anthropology and Psychology:
    • Eliot D. Chapple

    “Personality” Differences as Described by Invariant Properties of Individuals in Interaction

    Proc Natl Acad Sci U S A 1940 26:10-16

Botany

  • Botany:
    • R. Overstreet
    • and T. C. Broyer

    The Nature of Absorption of Radioactive Isotopes by Living Tissues as Illustrated by Experiments with Barley Plants

    Proc Natl Acad Sci U S A 1940 26:16-24

Mathematics

  • Mathematics:
    • R. L. Moore

    Concerning the Open Subsets of a Plane Continuum

    Proc Natl Acad Sci U S A 1940 26:24-25
  • Mathematics:
    • Ralph H. Fox

    On Homotopy and Extension of Mappings

    Proc Natl Acad Sci U S A 1940 26:26-28
  • Mathematics:
    • S. Bochner

    Integration and Differentiation in Partially Ordered Spaces

    Proc Natl Acad Sci U S A 1940 26:29-31

Astronomy

  • Astronomy:
    • Harlow Shapley
    • and J. S. Paraskevopoulos

    Galactic and Extragalactic Studies

    Proc Natl Acad Sci U S A 1940 26:31-36
  • Astronomy:
    • Theodore Eugene Sterne

    On the Determination of the Orbital Elements of Eccentric Eclipsing Binaries

    Proc Natl Acad Sci U S A 1940 26:36-40
  • Astronomy:
    • Harlow Shapley
    • and Constance D. Boyd

    Galactic and Extragalactic Studies

    Proc Natl Acad Sci U S A 1940 26:41-49
  • Astronomy:
    • L. G. Henyey

    The Doppler Effect in Resonance Lines

    Proc Natl Acad Sci U S A 1940 26:50-54

Physiology and Biochemistry

  • Physiology and Biochemistry:
    • W. J. Crozier

    The Theory of the Visual Threshold

    Proc Natl Acad Sci U S A 1940 26:54-60
  • Physiology and Biochemistry:
    • W. J. Crozier
    • and Ernst Wolf

    Temperature and the Critical Intensity for Response to Visual Flicker

    Proc Natl Acad Sci U S A 1940 26:60-65
  • Physiology and Biochemistry:
    • A. van Harreveld

    On Spinal Shock

    Proc Natl Acad Sci U S A 1940 26:65-67

ZoÖlogy and Anatomy

  • ZoÖlogy and Anatomy:
    • Frank R. Lillie
    • and Hsi Wang

    Physiology of Development of the Feather

    Proc Natl Acad Sci U S A 1940 26:67-85
  • ZoÖlogy and Anatomy:
    • Mary E. Rawles

    The Pigment-Forming Potency of Early Chick Blastoderms

    Proc Natl Acad Sci U S A 1940 26:86-94

This Issue

  1. Genetics
  2. Anthropology and Psychology
  3. Botany
  4. Mathematics
  5. Astronomy
  6. Physiology and Biochemistry
  7. ZoÖlogy and Anatomy

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