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Volume 2(4);  April 1916
The cover of the journal
Anthropology
The Genetic Relations of Certain Forms in American Aboriginal Art
Clark Wissler
Proc Natl Acad Sci U S A. 1916 April; 2(4): 224–226.
PMCID: PMC1090988
Article
Preliminary Report upon the Possibility of Controlling the Land Slides Adjacent to the Panama Canal
Committee of the National Academy of Sciences Appointed at the Request of the President of the United States
Proc Natl Acad Sci U S A. 1916 April; 2(4): 193–207.
PMCID: PMC1090983
Astronomy
Discovery of Eight Variable Stellar Spectra
Harlow Shapley
Proc Natl Acad Sci U S A. 1916 April; 2(4): 208–209.
PMCID: PMC1090984
Systematic Motion among Stars of the Helium Type
Benjamin Boss
Proc Natl Acad Sci U S A. 1916 April; 2(4): 214–216.
PMCID: PMC1090986
The Situation in Regard to Rowland's Preliminary Table of Solar Spectrum Wave-Lengths
Charles E. St. John
Proc Natl Acad Sci U S A. 1916 April; 2(4): 226–229.
PMCID: PMC1090989
Changes in the Form of the Nebula N. G. C. 2261
Edwin P. Hubble
Proc Natl Acad Sci U S A. 1916 April; 2(4): 230–231.
PMCID: PMC1090990
Botany
The Nature of Mechanical Stimulation
W. J. V. Osterhout
Proc Natl Acad Sci U S A. 1916 April; 2(4): 237–239.
PMCID: PMC1090993
Chemistry
The Abundance of the Elements in Relation to the Hydrogen-Helium Structure of the Atoms
William D. Harkins
Proc Natl Acad Sci U S A. 1916 April; 2(4): 216–224.
PMCID: PMC1090987
Genetics
Hereditary Reaction-System Relations: An Extension of Mendelian Concepts
R. E. Clausen and T. H. Goodspeed
Proc Natl Acad Sci U S A. 1916 April; 2(4): 240–244.
PMCID: PMC1090994
Size Inheritance in Guinea-Pig Crosses
W. E. Castle
Proc Natl Acad Sci U S A. 1916 April; 2(4): 252–264.
PMCID: PMC1090998
Mathematics
On the Linear Dependence of Functions of Several Variables, and Certain Completely Integrable Systems of Partial Differential Equations
Gabriel M. Green
Proc Natl Acad Sci U S A. 1916 April; 2(4): 209–214.
PMCID: PMC1090985
Point Sets and Allied Cremona Groups: Part II
Arthur B. Coble
Proc Natl Acad Sci U S A. 1916 April; 2(4): 244–246.
PMCID: PMC1090995
On a Theorem of Lucas
M. B. Porter
Proc Natl Acad Sci U S A. 1916 April; 2(4): 247–248.
PMCID: PMC1090996
Interpretation of the Simplest Integral Invariant of Projective Geometry
E. J. Wilczynski
Proc Natl Acad Sci U S A. 1916 April; 2(4): 248–252.
PMCID: PMC1090997
Paleontology
On the Presence of a Median Eye in Trilobites
Rudolph Ruedemann
Proc Natl Acad Sci U S A. 1916 April; 2(4): 234–237.
PMCID: PMC1090992
Zoology
On the Effect of Removal of the Pronephros of the Amphibian Embryo
Ruth B. Howland
Proc Natl Acad Sci U S A. 1916 April; 2(4): 231–234.
PMCID: PMC1090991
Journal Matter
Original table of contents page
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