Table of Contents

October 15, 1944; 30 (10)

ZoÖlogy and Anatomy

  • ZoÖlogy and Anatomy:
    • Francis B. Sumner

    Vision and Guanine Production in Fishes

    PNAS 1944 30:285-294
  • ZoÖlogy and Anatomy:
    • George H. Hitchings
    • and Elvira A. Falco

    The Identification of Guanine in Extracts of Girella Nigricans

    PNAS 1944 30:294-297

Genetics

  • Genetics:
    • Richard Goldschmidt

    On Spontaneous Mutation

    PNAS 1944 30:297-299
  • Genetics:
    • Richard Goldschmidt
    • and Aloha Hannah

    One-Band Inversion

    PNAS 1944 30:299-301
  • Genetics:
    • A. D. Bergner

    Chromosome Associations in Tetraploid Hybrids between Prime Type 1 and Prime Type 2 in Datura Stramonium

    PNAS 1944 30:302-308

Engineering

  • Engineering:
    • N. Minorsky

    On Mechanical Self-Excited Oscillations

    PNAS 1944 30:308-314

Mathematics

  • Mathematics:
    • H. S. Uhler

    First Proof that the Mersenne Number M 157 Is Composite

    PNAS 1944 30:314-316

Physics

  • Physics:
    • C. C. Lin

    On the Stability of Two-Dimensional Parallel Flows

    PNAS 1944 30:316-324
  • Physics:
    • George D. Birkhoff

    Flat Space-Time and Gravitation

    PNAS 1944 30:324-334

This Issue

  1. ZoÖlogy and Anatomy
  2. Genetics
  3. Engineering
  4. Mathematics
  5. Physics

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