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Table of Contents

May 15, 1930; vol. 16 no. 5

Physiology and Pathology

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ON THE DISTRIBUTION OF TABULAR ROOTS IN CEIBA (BOMBACACEAE)
A. E. Navez

PNAS May 15, 1930 16 (5) 339-344; https://doi.org/10.1073/pnas.16.5.339

Psychology

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ACTION CURRENTS IN THE AUDITORY NERVE IN RESPONSE TO ACOUSTICAL STIMULATION
Ernest Glen Wever and Charles W. Bray

PNAS May 15, 1930 16 (5) 344-350; https://doi.org/10.1073/pnas.16.5.344

Genetics

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MUTATIONS AND ALLELOMORPHISM IN THE GROUSE LOCUSTS (TETTIGIDAE, ORTHOPTERA)
Robert K. Nabours

PNAS May 15, 1930 16 (5) 350-353; https://doi.org/10.1073/pnas.16.5.350

Mathematics

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THE ELECTROMAGNETIC FIELD EXTERIOR TO A SYSTEM OF PERFECTLY REFLECTING SURFACES
F. H. Murray

PNAS May 15, 1930 16 (5) 353-357; https://doi.org/10.1073/pnas.16.5.353

Chemistry

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THE RATES OF SECOND-ORDER GAS REACTIONS
Louis S. Kassel

PNAS May 15, 1930 16 (5) 358-364; https://doi.org/10.1073/pnas.16.5.358

Astronomy

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ON THE PREDICTIONS OF TRANS-NEPTUNIAN PLANETS FROM THE PERTURBATIONS OF URANUS
Ernest W. Brown

PNAS May 15, 1930 16 (5) 364-371; https://doi.org/10.1073/pnas.16.5.364

Physics

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THE “REACTION-ISOCHORE” EQUATION FOR IONIZATION WITHIN METALS
Edwin H. Hall

PNAS May 15, 1930 16 (5) 371-373; https://doi.org/10.1073/pnas.16.5.371
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THE EFFECT OF LOW TEMPERATURES ON THE SENSITIVITY OF RADIOMETERS
Sinclair Smith

PNAS May 15, 1930 16 (5) 373-376; https://doi.org/10.1073/pnas.16.5.373

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