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Volume 19(9);  September 1933
The cover of the journal
Anthropology
A Tree-Ring Chronology for the Rio Grande Drainage in Northern New Mexico
W. S. Stallings, Jr.
Proc Natl Acad Sci U S A. 1933 September; 19(9): 803–806.
PMCID: PMC1086188
Biochemistry
Crystallization of a Compound of Hemoglobin and Carbon Dioxide
Donald D. Van Slyke, Robert T. Dillon, and Alma Hiller
Proc Natl Acad Sci U S A. 1933 September; 19(9): 828–829.
PMCID: PMC1086194
Botany
A Preliminary Survey of the Species of Zostera
William Albert Setchell
Proc Natl Acad Sci U S A. 1933 September; 19(9): 810–817.
PMCID: PMC1086190
Chemistry
Urease Activity as Influenced by Oxidation and Reduction
Leslie Hellerman, Marie E. Perkins, and W. Mansfield Clark
Proc Natl Acad Sci U S A. 1933 September; 19(9): 855–860.
PMCID: PMC1086201
The Electron-Diffraction Investigation of the Structure of Molecules of Methyl Azide and Carbon Suboxide
L. O. Brockway and Linus Pauling
Proc Natl Acad Sci U S A. 1933 September; 19(9): 860–867.
PMCID: PMC1086202
The Electron-Diffraction Investigation of the Molecular Structure of Cyanogen and Diacetylene (with a Note on Chlorine Dioxide)
L. O. Brockway
Proc Natl Acad Sci U S A. 1933 September; 19(9): 868–874.
PMCID: PMC1086203
Genetics
Interchange between X- and Y-Chromosomes in Attached X Females of Drosophila Melanogaster
Berwind P. Kaufmann
Proc Natl Acad Sci U S A. 1933 September; 19(9): 830–838.
PMCID: PMC1086195
Pollen Tube Establishment and the Deficiency of Waxy Seeds in Certain Maize Crosses
G. F. Sprague
Proc Natl Acad Sci U S A. 1933 September; 19(9): 838–841.
PMCID: PMC1086196
The Effect of Homozygous Genes for Self-Sterility
E. M. East
Proc Natl Acad Sci U S A. 1933 September; 19(9): 841–845.
PMCID: PMC1086197
Geology
Some Observations on the Archean Metamorphics of the Grand Canyon
Ian Campbell and John H. Maxson
Proc Natl Acad Sci U S A. 1933 September; 19(9): 806–809.
PMCID: PMC1086189
Mathematics
On Criteria for Fourier Constants of L Integrable Functions
Charles N. Moore
Proc Natl Acad Sci U S A. 1933 September; 19(9): 846–848.
PMCID: PMC1086198
Groups Whose Operators Have No More Than Three Distinct Squares
G. A. Miller
Proc Natl Acad Sci U S A. 1933 September; 19(9): 848–851.
PMCID: PMC1086199
Logarithmic Solutions of Bianchi's Equation
H. Bateman
Proc Natl Acad Sci U S A. 1933 September; 19(9): 852–854.
PMCID: PMC1086200
Pathology
Concentration and Purification of a Growth Inhibitor Extracted from Kidney: A Preliminary Report
F. A. McJunkin and C. D. Hartman
Proc Natl Acad Sci U S A. 1933 September; 19(9): 823–824.
PMCID: PMC1086192
Physics
Remarks on Superconductivity
F. Zwicky
Proc Natl Acad Sci U S A. 1933 September; 19(9): 818–823.
PMCID: PMC1086191
Physiology
Oxidation-Reduction Potential of Ascorbic Acid (Vitamin C)
Henry Borsook and Geoffrey Keighley
Proc Natl Acad Sci U S A. 1933 September; 19(9): 875–878.
PMCID: PMC1086204
Psychology
The Abolishment of a Discrimination
B. F. Skinner
Proc Natl Acad Sci U S A. 1933 September; 19(9): 825–828.
PMCID: PMC1086193
Journal Matter
Original table of contents page
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