pmc logo imageJournal ListSearchpmc logo image
Logo of pnasPNAS Home page.PNAS Editorial BoardPNAS AboutPNAS SubscriptionsPNAS Info for Authors
This journal provides immediate access to some articles.
Other Issues:  previous | next | latest | archive
Volume 17(2);  February 1931
The cover of the journal
Chemistry
The Interpretation of the Thermal Decomposition of Nitrous Oxide
H. C. Ramsperger and G. Waddington
Proc Natl Acad Sci U S A. 1931 February; 17(2): 103–105.
PMCID: PMC1076003
Reversible Coagulation in Living Tissue: I
Wilder D. Bancroft and J. E. Rutzler, Jr.
Proc Natl Acad Sci U S A. 1931 February; 17(2): 105–111.
PMCID: PMC1076004
Genetics
The Independence of Dominant Spotting and Recessive Spotting (“Piebald”) in the House Mouse
Clyde E. Keeler
Proc Natl Acad Sci U S A. 1931 February; 17(2): 101–102.
PMCID: PMC1076002
Geology and Paleontology
The California Earthquakes of Nov. 28, 1929, and the Surface Layers of the Earth in California
Perry Byerly
Proc Natl Acad Sci U S A. 1931 February; 17(2): 91–100.
PMCID: PMC1076001
Mathematics
On the Unified Field Theory: IV
Tracy Yerkes Thomas
Proc Natl Acad Sci U S A. 1931 February; 17(2): 111–119.
PMCID: PMC1076005
The Arithmetic of Polynomials in a Galois Field
Leonard Carlitz
Proc Natl Acad Sci U S A. 1931 February; 17(2): 120–122.
PMCID: PMC1076006
The Coloring of Graphs
Hassler Whitney
Proc Natl Acad Sci U S A. 1931 February; 17(2): 122–125.
PMCID: PMC1076007
Non-Separable and Planar Graphs
Hassler Whitney
Proc Natl Acad Sci U S A. 1931 February; 17(2): 125–127.
PMCID: PMC1076008
The Principle of Maupertuis
Francis D. Murnaghan
Proc Natl Acad Sci U S A. 1931 February; 17(2): 128–132.
PMCID: PMC1076009
Notes on Scalar Extensions of Tensors and Properties of Local Coordinates
A. D. Michal
Proc Natl Acad Sci U S A. 1931 February; 17(2): 132–136.
PMCID: PMC1076010
Physiology and Pathology
On the Specific Dynamic Action of Protein
Henry Borsook and Howard M. Winegarden
Proc Natl Acad Sci U S A. 1931 February; 17(2): 75–91.
PMCID: PMC1076000
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
Other Issues:  previous | next | latest | archive
Articles from Proceedings of the National Academy of Sciences of the United States of America are provided here courtesy of
National Academy of Sciences