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Volume 3(1);  January 1917
The cover of the journal
Astronomy
Studies of the Magnitudes in Star Clusters: IV. On the Color of Stars in the Galactic Clouds Surrounding Messier II
Harlow Shapley
Proc Natl Acad Sci U S A. 1917 January; 3(1): 25–29.
PMCID: PMC1091165
The Color of the Standard Polor Stars Determined by the Method of Exposure-Ratios
Frederick H. Seares
Proc Natl Acad Sci U S A. 1917 January; 3(1): 29–33.
PMCID: PMC1091166
Relation of the Apex of Solar Motion to Proper Motion and on the Cause of the Differences of its Position From Radial Velocities and Proper Motions
C. D. Perrine
Proc Natl Acad Sci U S A. 1917 January; 3(1): 38–41.
PMCID: PMC1091168
The Meteor System of Pons-Winnecke's Comet
Charles P. Olivier
Proc Natl Acad Sci U S A. 1917 January; 3(1): 47–49.
PMCID: PMC1091170
Biology
Application of the Laws of Action, Reaction and Interaction in Life Evolution
Henry Fairfield Osborn
Proc Natl Acad Sci U S A. 1917 January; 3(1): 7–9.
PMCID: PMC1091159
Chemistry
Improvements in Calorimetric Combustion, and the Heat of Combustion of Toluene
Theodore W. Richards and Harold S. Davis
Proc Natl Acad Sci U S A. 1917 January; 3(1): 50–58.
PMCID: PMC1091171
Engineering
Hydrology of the Isthmus of Panama
Brig. Gen. Henry L. Abbot
Proc Natl Acad Sci U S A. 1917 January; 3(1): 41–47.
PMCID: PMC1091169
Geology
Physiographic Subdivision of the United States
Nevin M. Fenneman
Proc Natl Acad Sci U S A. 1917 January; 3(1): 17–22.
PMCID: PMC1091163
Terracing of Bajada Belts
Charles Keyes
Proc Natl Acad Sci U S A. 1917 January; 3(1): 33–38.
PMCID: PMC1091167
Physics
Inferences Concerning Auroras
Elihu Thomson
Proc Natl Acad Sci U S A. 1917 January; 3(1): 1–7.
PMCID: PMC1091158
The Resistance of Metals Under Pressure
P. W. Bridgman
Proc Natl Acad Sci U S A. 1917 January; 3(1): 10–12.
PMCID: PMC1091160
The Mass of the Electric Carrier in Copper, Silver and Aluminium
Richard C. Tolman and T. Dale Stewart
Proc Natl Acad Sci U S A. 1917 January; 3(1): 58–59.
PMCID: PMC1091172
The Silver Voltameter as an International Standard for the Measurement of Electric Current
E. B. Rosa and G. W. Vinal
Proc Natl Acad Sci U S A. 1917 January; 3(1): 59–64.
PMCID: PMC1091173
Physiology
The Rate of Discharge of Central Neurones
Alexander Forbes and W. C. Rappleye
Proc Natl Acad Sci U S A. 1917 January; 3(1): 12–15.
PMCID: PMC1091161
A Physiological Study of Noctiluca, With Special Reference to Light Production, Anaesthesia and Specific Gravity
Ethel Browne Harvey
Proc Natl Acad Sci U S A. 1917 January; 3(1): 15–16.
PMCID: PMC1091162
On the Composition of the Medusa, Cassiopea Xamachana and the Changes in it After Starvation
S. Hatai
Proc Natl Acad Sci U S A. 1917 January; 3(1): 22–24.
PMCID: PMC1091164
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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