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Table of Contents

February 01, 1937; vol. 23 no. 2

ZoÖlogy and Anatomy

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    Reproductive Behavior and Haploid Parthenogenesis in the Grass Mite, Pediculopsis Graminum (Reut.) (Acarina, Tarsonemidae)
    Kenneth W. Cooper
    PNAS February 1, 1937 23 (2) 41-44; https://doi.org/10.1073/pnas.23.2.41

Botany

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    The Genera of the Articulated Corallines
    Artemio Valderrama Manza
    PNAS February 1, 1937 23 (2) 44-48; https://doi.org/10.1073/pnas.23.2.44

Geology and Paleontology

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    An Eocene Titanothere from San Diego County, California, with Remarks on the Age of the Poway Conglomerate
    Chester Stock
    PNAS February 1, 1937 23 (2) 48-53; https://doi.org/10.1073/pnas.23.2.48

Genetics

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    Relations between Chromosome Size and Effects of Inversions on Crossing-Over in Drosophila Melanogaster
    Arthur G. Steinberg
    PNAS February 1, 1937 23 (2) 54-56; https://doi.org/10.1073/pnas.23.2.54
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    Linkage Studies of the Rat (Rattus Norvegicus)
    Helen Dean King and W. E. Castle
    PNAS February 1, 1937 23 (2) 56-60; https://doi.org/10.1073/pnas.23.2.56
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    The Coefficient of Prediction-Accuracy
    Harry H. Laughlin
    PNAS February 1, 1937 23 (2) 60-71; https://doi.org/10.1073/pnas.23.2.60

Physiology and Biochemistry

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    Strength-Duration Curves and the Theory of Electrical Excitation
    W. J. Crozier
    PNAS February 1, 1937 23 (2) 71-78; https://doi.org/10.1073/pnas.23.2.71

Mathematics

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    A Convergent Series for the Partition Function p(n)
    Hans Rademacher
    PNAS February 1, 1937 23 (2) 78-84; https://doi.org/10.1073/pnas.23.2.78
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    Note on the Curvature of Level Curves of Green's Function
    J. L. Walsh
    PNAS February 1, 1937 23 (2) 84-89; https://doi.org/10.1073/pnas.23.2.84
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    Representations Induced in an Invariant Subgroup
    A. H. Clifford
    PNAS February 1, 1937 23 (2) 89-90; https://doi.org/10.1073/pnas.23.2.89
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    On the Mean Value of rs for Keplerian Systems
    Simon Pasternack
    PNAS February 1, 1937 23 (2) 91-94; https://doi.org/10.1073/pnas.23.2.91

Physics

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    On the Equation of Diffusion
    Paul S. Epstein
    PNAS February 1, 1937 23 (2) 94-98; https://doi.org/10.1073/pnas.23.2.94
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    On the Statistical Theory of Turbulence
    Th. von Kármán
    PNAS February 1, 1937 23 (2) 98-105; https://doi.org/10.1073/pnas.23.2.98
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    Intrinsic Properties of Light and Corpuscles from Distant Sources
    F. Zwicky
    PNAS February 1, 1937 23 (2) 106-110; https://doi.org/10.1073/pnas.23.2.106

Astronomy

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    Spectroscopic Absolute Magnitudes of Three Hundred and Seventy Southern Stars
    Dorrit Hoffleit
    PNAS February 1, 1937 23 (2) 111-114; https://doi.org/10.1073/pnas.23.2.111
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    Changes of Period in Variable Stars of Long Period
    T. E. Sterne and L. Campbell
    PNAS February 1, 1937 23 (2) 115-117; https://doi.org/10.1073/pnas.23.2.115

Chemistry

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    The Synthesis of Gamma-Methyl-5,6-Cyclopentenoretene, a Compound Structurally Related to “Diels' Hydrocarbon”
    David E. Adelson and Marston Taylor Bogert
    PNAS February 1, 1937 23 (2) 117-119; https://doi.org/10.1073/pnas.23.2.117
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    The Intermediate Nucleus in the Disintegrative Synthesis of Atomic Nuclei: Disintegration in Steps
    William D. Harkins
    PNAS February 1, 1937 23 (2) 120-131; https://doi.org/10.1073/pnas.23.2.120
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