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Table of Contents

June 01, 1922; vol. 8 no. 6

Physics

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Cylindrical Distribution of Nodal Strength around the Pipe Normal
Carl Barus

PNAS June 1, 1922 8 (6) 119-123; https://doi.org/10.1073/pnas.8.6.119
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Ionization and Absorption Effects in the Electric Furnace
Arthur S. King

PNAS June 1, 1922 8 (6) 123-125; https://doi.org/10.1073/pnas.8.6.123

Pathology

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Preliminary Note on a Biometrical Study of the Relations of Certain Viscera in Tuberculosis
Raymond Pearl and Agnes Latimer Bacon

PNAS June 1, 1922 8 (6) 125-128; https://doi.org/10.1073/pnas.8.6.125

ZoÃ¶logy

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The Effect of Ether upon the Migration of the Scale Pigment and the Retinal Pigment in the Fish, Fundulus Heteroclitus
Leland C. Wyman

PNAS June 1, 1922 8 (6) 128-130; https://doi.org/10.1073/pnas.8.6.128
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The Diverse Effects of Adrenalin upon the Migration of the Scale Pigment and the Retinal Pigment in the Fish, Fundulus Heteroclitus, Linn
A. S. Gilson Jr.

PNAS June 1, 1922 8 (6) 130-133; https://doi.org/10.1073/pnas.8.6.130
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A Side Line in the Importation of Insect Parasites of Injurious Insects from one Country to Another
L. O. Howard

PNAS June 1, 1922 8 (6) 133-139; https://doi.org/10.1073/pnas.8.6.133

Mathematics

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On the Location of the Roots of the Derivative of a Polynomial
J. L. Walsh

PNAS June 1, 1922 8 (6) 139-141; https://doi.org/10.1073/pnas.8.6.139

Astronomy

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On the Distribution of the Velocities of Stars of Late Types of Spectrum
Gustaf Strömberg

PNAS June 1, 1922 8 (6) 141-146; https://doi.org/10.1073/pnas.8.6.141

Biology

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Contribution to the Energetics of Evolution
Alfred J. Lotka

PNAS June 1, 1922 8 (6) 147-151; https://doi.org/10.1073/pnas.8.6.147
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Natural Selection as a Physical Principle
Alfred J. Lotka

PNAS June 1, 1922 8 (6) 151-154; https://doi.org/10.1073/pnas.8.6.151

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