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Volume 1(7);  July 1915
The cover of the journal
Anthropology
The Distribution and Functions of Tribal Societies Among the Plains Indians: A Preliminary Report
Clark Wissler
Proc Natl Acad Sci U S A. 1915 July; 1(7): 401–403.
PMCID: PMC1090840
An Exhibit in Physical Anthropology
Aleš Hrdlička
Proc Natl Acad Sci U S A. 1915 July; 1(7): 407–410.
PMCID: PMC1090842
Astronomy
Nova Geminorum No. 2 as a Wolf-Rayet Star
Walter S. Adams and Francis G. Pease
Proc Natl Acad Sci U S A. 1915 July; 1(7): 391–394.
PMCID: PMC1090836
A Singular Dark Marking on the Sky
E. E. Barnard
Proc Natl Acad Sci U S A. 1915 July; 1(7): 394–396.
PMCID: PMC1090837
Radial Velocities Within the Great Nebula of Orion
Edwin B. Frost
Proc Natl Acad Sci U S A. 1915 July; 1(7): 416.
PMCID: PMC1090844
The Radial Velocities of the More Distant Stars
Walter S. Adams
Proc Natl Acad Sci U S A. 1915 July; 1(7): 417–420.
PMCID: PMC1090845
Chemistry
The Determination of Surface-Tension
T. W. Richards and L. B. Coombs
Proc Natl Acad Sci U S A. 1915 July; 1(7): 404–407.
PMCID: PMC1090841
The Compressibilities of the Elements and their Relations to Other Properties
T. W. Richards
Proc Natl Acad Sci U S A. 1915 July; 1(7): 411–415.
PMCID: PMC1090843
Mathematics
On the Representation of Arbitrary Functions by Definite Integrals
Walter B. Ford
Proc Natl Acad Sci U S A. 1915 July; 1(7): 431–435.
PMCID: PMC1090848
Some Theorems Connected with Irrational Numbers
William Duncan MacMillan
Proc Natl Acad Sci U S A. 1915 July; 1(7): 437–438.
PMCID: PMC1090850
Mineralogy
Researches on the Chemical and Mineralogical Composition of Meteorites
George P. Merrill
Proc Natl Acad Sci U S A. 1915 July; 1(7): 429–431.
PMCID: PMC1090847
Physics
The Ruling and Performance of a Ten-Inch Diffraction Grating
A. A. Michelson
Proc Natl Acad Sci U S A. 1915 July; 1(7): 396–400.
PMCID: PMC1090838
A Highly Sensitive Electrometer
A. L. Parson
Proc Natl Acad Sci U S A. 1915 July; 1(7): 400–401.
PMCID: PMC1090839
Physiology
The Lymphocyte as a Factor in Natural and Induced Resistance to Transplanted Cancer
James B. Murphy and John J. Morton
Proc Natl Acad Sci U S A. 1915 July; 1(7): 435–437.
PMCID: PMC1090849
Zoology
Localization of the Hereditary Material in the Germ Cells
T. H. Morgan
Proc Natl Acad Sci U S A. 1915 July; 1(7): 420–429.
PMCID: PMC1090846
Journal Matter
Original table of contents page
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