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Table of Contents

May 01, 1956; vol. 42 no. 5

Biochemistry

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    ON THE MECHANISM AND OPTICAL SPECIFICITY OF TRANSAMINATION REACTIONS
    J. B. Longenecker and Esmond E. Snell
    PNAS May 1, 1956 42 (5) 221-227; https://doi.org/10.1073/pnas.42.5.221
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    THE DISTRIBUTION OF POLIO ANTIBODIES IN SERUM PROTEINS
    Serge N. Timasheff, Arden W. Moyer, Raymond A. Brown, and John G. Kirkwood
    PNAS May 1, 1956 42 (5) 228-234; https://doi.org/10.1073/pnas.42.5.228

Chemistry

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    MICROWAVE ABSORPTION AND MOLECULAR STRUCTURE IN LIQUIDS. XVII. DIELECTRIC RELAXATION TIMES AND SHAPES OF RIGID MOLECULES
    Charles P. Smyth
    PNAS May 1, 1956 42 (5) 234-239; https://doi.org/10.1073/pnas.42.5.234

Genetics

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    THE MUTATION OF LINKED MAIZE ENDOSPERM LOCI INDUCED BY THERMAL-NEUTRON, X-, GAMMA, AND ULTRAVIOLET RADIATION
    Calvin F. Konzak and W. Ralph Singleton
    PNAS May 1, 1956 42 (5) 239-245; https://doi.org/10.1073/pnas.42.5.239
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    A BINARY MUTABILITY SYSTEM IN ESCHERICHIA COLI
    P. D. Skaar
    PNAS May 1, 1956 42 (5) 245-249; https://doi.org/10.1073/pnas.42.5.245

Mathematics

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    A UNIFIED THEORY OF GENERAL RELATIVITY OF GRAVITATION AND ELECTROMAGNETISM
    Luther P. Eisenhart
    PNAS May 1, 1956 42 (5) 249-251; https://doi.org/10.1073/pnas.42.5.249
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    INVARIANT DIFFERENTIAL OPERATORS ON A SEMISIMPLE LIE ALGEBRA
    Harish-Chandra
    PNAS May 1, 1956 42 (5) 252-253; https://doi.org/10.1073/pnas.42.5.252
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    HARMONIC ANALYSIS FOR CERTAIN SEMIGROUPS
    Edwin Hewitt and Herbert S. Zuckerman
    PNAS May 1, 1956 42 (5) 253-255; https://doi.org/10.1073/pnas.42.5.253
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    ABSTRACT HOMOTOPY. II
    Daniel M. Kan
    PNAS May 1, 1956 42 (5) 255-258; https://doi.org/10.1073/pnas.42.5.255
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    ON DIFFERENTIAL GEOMETRY AND HOMOGENEOUS SPACES. I
    Bertram Kostant
    PNAS May 1, 1956 42 (5) 258-261; https://doi.org/10.1073/pnas.42.5.258
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    IMPLICIT FUNCTION THEOREM FOR QUASI-ANALYTIC AND RELATED CLASSES OF FUNCTIONS
    T. P. G. Liverman
    PNAS May 1, 1956 42 (5) 261-264; https://doi.org/10.1073/pnas.42.5.261
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    ON DIOPHANTINE EQUATIONS WHICH HAVE NO SOLUTIONS
    J. L. Selfridge, C. A. Nicol, and H. S. Vandiver
    PNAS May 1, 1956 42 (5) 264-266; https://doi.org/10.1073/pnas.42.5.264
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    A GENERALIZATION OF THE PONTRJAGIN SQUARE COHOMOLOGY OPERATION
    Emery Thomas
    PNAS May 1, 1956 42 (5) 266-269; https://doi.org/10.1073/pnas.42.5.266

Pathology

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    COURSE OF PRODUCTION OF AN ISOANTISERUM EFFECTING TUMOR HOMOGRAFT SURVIVAL IN MICE
    Nathan Kaliss
    PNAS May 1, 1956 42 (5) 269-273; https://doi.org/10.1073/pnas.42.5.269

Physics

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    ON THE STABILITY OF THE SIMPLEST SOLUTION OF THE EQUATIONS OF HYDROMAGNETICS
    S. Chandrasekhar
    PNAS May 1, 1956 42 (5) 273-276; https://doi.org/10.1073/pnas.42.5.273
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    WAVES IN A LATTICE OF SPHERICAL SCATTERERS
    Philip M. Morse
    PNAS May 1, 1956 42 (5) 276-286; https://doi.org/10.1073/pnas.42.5.276
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    DETERMINATION OF CRYSTAL STRUCTURES BY MEANS OF ANOMALOUSLY SCATTERED X-RAYS
    R. Pepinsky and Y. Okaya
    PNAS May 1, 1956 42 (5) 286-292; https://doi.org/10.1073/pnas.42.5.286

Psychology

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    SOUND TRANSMISSION IN THE TURTLE'S EAR
    Ernest Glen Wever and Jack A. Vernon
    PNAS May 1, 1956 42 (5) 292-299; https://doi.org/10.1073/pnas.42.5.292

ZoÖlogy

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    NEW EXPERIMENTS ON CHEMICAL PHENOCOPIES
    Richard B. Goldschmidt and L. K. Piternick
    PNAS May 1, 1956 42 (5) 299-304; https://doi.org/10.1073/pnas.42.5.299
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    ANTISERA THAT BLOCK CELL DIVISION IN DEVELOPING EGGS OF SEA URCHINS
    Albert Tyler and John W. Brookbank
    PNAS May 1, 1956 42 (5) 304-308; https://doi.org/10.1073/pnas.42.5.304
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    INHIBITION OF DIVISION AND DEVELOPMENT OF SEA-URCHIN EGGS BY ANTISERA AGAINST FERTILIZIN
    Albert Tyler and John W. Brookbank
    PNAS May 1, 1956 42 (5) 308-313; https://doi.org/10.1073/pnas.42.5.308
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