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Volume 8(8);  August 1922
The cover of the journal
Mathematics
Spaces with Corresponding Paths
L. P. Eisenhart
Proc Natl Acad Sci U S A. 1922 August; 8(8): 233–238.
PMCID: PMC1085105
Number of Substitutions Omitting at Least one Letter in a Transitive Group
G. A. Miller
Proc Natl Acad Sci U S A. 1922 August; 8(8): 238–240.
PMCID: PMC1085106
Paleontology
Hesperopithecus, the First Anthropoid Primate Found in America
Henry Fairfield Osborn
Proc Natl Acad Sci U S A. 1922 August; 8(8): 245–246.
PMCID: PMC1085108
Recent Discoveries on the Antiquity of Man
Henry Fairfield Osborn and Chester A. Reeds
Proc Natl Acad Sci U S A. 1922 August; 8(8): 246–247.
PMCID: PMC1085109
Physics
Electronic Bombardment of Nickel
H. E. Farnsworth
Proc Natl Acad Sci U S A. 1922 August; 8(8): 251–254.
PMCID: PMC1085111
The Crystal Structure of Potassium
L. W. McKeehan
Proc Natl Acad Sci U S A. 1922 August; 8(8): 254–255.
PMCID: PMC1085112
Preliminary Report on the Ionization of Potassium Vapor by Light
R. C. Williamson
Proc Natl Acad Sci U S A. 1922 August; 8(8): 255–260.
PMCID: PMC1085113
The Absorption of Light by Sodium and Potassium Vapors
George R. Harrison
Proc Natl Acad Sci U S A. 1922 August; 8(8): 260–263.
PMCID: PMC1085114
Statistics
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
Proc Natl Acad Sci U S A. 1922 August; 8(8): 248–251.
PMCID: PMC1085110
Zoölogy
Photic Orientation in Insects
S. O. Mast
Proc Natl Acad Sci U S A. 1922 August; 8(8): 240–245.
PMCID: PMC1085107
Journal Matter
Original table of contents page
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