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Table of Contents

August 01, 1922; vol. 8 no. 8

Mathematics

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Spaces with Corresponding Paths
L. P. Eisenhart

PNAS August 1, 1922 8 (8) 233-238; https://doi.org/10.1073/pnas.8.8.233
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Number of Substitutions Omitting at Least one Letter in a Transitive Group
G. A. Miller

PNAS August 1, 1922 8 (8) 238-240; https://doi.org/10.1073/pnas.8.8.238

ZoÃ¶logy

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Photic Orientation in Insects
S. O. Mast

PNAS August 1, 1922 8 (8) 240-245; https://doi.org/10.1073/pnas.8.8.240

Paleontology

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Hesperopithecus, the First Anthropoid Primate Found in America
Henry Fairfield Osborn

PNAS August 1, 1922 8 (8) 245-246; https://doi.org/10.1073/pnas.8.8.245
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Recent Discoveries on the Antiquity of Man
Henry Fairfield Osborn and Chester A. Reeds

PNAS August 1, 1922 8 (8) 246-247; https://doi.org/10.1073/pnas.8.8.246

Statistics

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On the Measurement of a Physical Quantity Whose Magnitude is Influenced by Primary Causes beyond the Control of the Observer and on the Method of Determining the Relation between Two Such Quantities
W. A. Shewhart

PNAS August 1, 1922 8 (8) 248-251; https://doi.org/10.1073/pnas.8.8.248

Physics

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Electronic Bombardment of Nickel
H. E. Farnsworth

PNAS August 1, 1922 8 (8) 251-254; https://doi.org/10.1073/pnas.8.8.251
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The Crystal Structure of Potassium
L. W. McKeehan

PNAS August 1, 1922 8 (8) 254-255; https://doi.org/10.1073/pnas.8.8.254
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Preliminary Report on the Ionization of Potassium Vapor by Light
R. C. Williamson

PNAS August 1, 1922 8 (8) 255-260; https://doi.org/10.1073/pnas.8.8.255
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The Absorption of Light by Sodium and Potassium Vapors
George R. Harrison

PNAS August 1, 1922 8 (8) 260-263; https://doi.org/10.1073/pnas.8.8.260

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