Table of Contents

April 15, 1957; 43 (4)

Pathology and Bacteriology

  • Pathology and Bacteriology:
    • P. B. Hamilton,
    • A. L. Shug,
    • and P. W. Wilson

    SPECTROPHOTOMETRIC EXAMINATION OF HYDROGENASE AND NITROGENASE IN SOYBEAN NODULES AND Azotobacter

    PNAS 1957 43:297-304
  • Pathology and Bacteriology:
    • John H. Northrop

    OPTICALLY ACTIVE COMPOUNDS FROM RACEMIC MIXTURES BY MEANS OF RANDOM DISTRIBUTION

    PNAS 1957 43:304-305

Genetics

  • Genetics:
    • Norman H. Giles,
    • C. W. H. Partridge,
    • and Norma J. Nelson

    THE GENETIC CONTROL OF ADENYLOSUCCINASE IN Neurospora Crassa

    PNAS 1957 43:305-317
  • Genetics:
    • E. Novitski
    • and Iris Sandler

    ARE ALL PRODUCTS OF SPERMATOGENESIS REGULARLY FUNCTIONAL?

    PNAS 1957 43:318-324
  • Genetics:
    • W. L. Russell

    SHORTENING OF LIFE IN THE OFFSPRING OF MALE MICE EXPOSED TO NEUTRON RADIATION FROM AN ATOMIC BOMB

    PNAS 1957 43:324-329
  • Genetics:
    • P. D. Skaar,
    • Alan Richter,
    • and Joshua Lederberg

    CORRELATED SELECTION FOR MOTILITY AND SEX-INCOMPATIBILITY IN Escherichia Coli K12

    PNAS 1957 43:329-333

Mathematics

  • Mathematics:
    • Luther P. Eisenhart

    A UNIFIED THEORY OF GENERAL RELATIVITY OF GRAVITATION AND ELECTROMAGNETISM. IV

    PNAS 1957 43:333-336
  • Mathematics:
    • K. O. Friedrichs
    • and H. N. Shapiro

    INTEGRATION OVER HILBERT SPACE AND OUTER EXTENSIONS

    PNAS 1957 43:336-338
  • Mathematics:
    • Walter Rudin

    FACTORIZATION IN THE GROUP ALGEBRA OF THE REAL LINE

    PNAS 1957 43:339-340

Physics

  • Physics:
    • Jerrold M. Yos,
    • William L. Bade,
    • and Herbert Jehle

    SPECIFICITY OF THE LONDON-EISENSCHITZ WANG FORCE

    PNAS 1957 43:341-346

Psychology

  • Psychology:
    • Ernest Glen Wever
    • and Jack A. Vernon

    THE AUDITORY SENSITIVITY OF THE ATLANTIC GRASSHOPPER

    PNAS 1957 43:346-348
  • Psychology:
    • W. N. Schoenfeld
    • and W. W. Cumming

    SOME EFFECTS OF ALTERNATION RATE IN A TIME-CORRELATED REINFORCEMENT CONTINGENCY

    PNAS 1957 43:349-354

ZoÖlogy and Anatomy

  • ZoÖlogy and Anatomy:
    • Petar N. Martinovitch

    TRANSPLANTATIONS OF THE EMBRYONIC CHICK FOREBRAIN REGION BEFORE ESTABLISHMENT OF CIRCULATION

    PNAS 1957 43:354-356

This Issue

  1. Pathology and Bacteriology
  2. Genetics
  3. Mathematics
  4. Physics
  5. Psychology
  6. ZoÖlogy and Anatomy

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