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Volume 13(3);  March 1927
The cover of the journal
Botany
Microsporogenesis in the Cucumber
L. F. Heimlich
Proc Natl Acad Sci U S A. 1927 March; 13(3): 113–115.
PMCID: PMC1084874
Further Studies on Biochemical Differences between Sexes in Plants
Sophia Satina and A. F. Blakeslee
Proc Natl Acad Sci U S A. 1927 March; 13(3): 115–122.
PMCID: PMC1084875
Genetics
Inheritance of Trimorphism in Lythrum Salicaria
E. M. East
Proc Natl Acad Sci U S A. 1927 March; 13(3): 122–124.
PMCID: PMC1084876
Mathematics
Dynamical Economics
C. F. Roos
Proc Natl Acad Sci U S A. 1927 March; 13(3): 145–150.
PMCID: PMC1084881
On the Proof of Sheppard's Corrections
Edwin B. Wilson
Proc Natl Acad Sci U S A. 1927 March; 13(3): 151–156.
PMCID: PMC1084882
Note on a Generalization of Taylor's Series
D. V. Widder
Proc Natl Acad Sci U S A. 1927 March; 13(3): 156–160.
PMCID: PMC1084883
A Theory of Matter and Electricity
George D. Birkhoff
Proc Natl Acad Sci U S A. 1927 March; 13(3): 160–165.
PMCID: PMC1084884
The Hydrogen Atom and the Balmer Formula
George D. Birkhoff
Proc Natl Acad Sci U S A. 1927 March; 13(3): 165–169.
PMCID: PMC1084885
Groups Generated by Two Operators of Order Three Whose Product Is of Order Six
G. A. Miller
Proc Natl Acad Sci U S A. 1927 March; 13(3): 170–174.
PMCID: PMC1084886
Physics
Pinhole Probe Experiments with Massive Air Columns
Carl Barus
Proc Natl Acad Sci U S A. 1927 March; 13(3): 87–91.
PMCID: PMC1084867
The Fine Structure of the Helium Arc Spectrum
William V. Houston
Proc Natl Acad Sci U S A. 1927 March; 13(3): 91–94.
PMCID: PMC1084868
Two Remarks on Schrödinger's Quantum Theory
Paul S. Epstein
Proc Natl Acad Sci U S A. 1927 March; 13(3): 94–96.
PMCID: PMC1084869
On King's Classical Theory of Radiation
Boris Podolsky
Proc Natl Acad Sci U S A. 1927 March; 13(3): 97–100.
PMCID: PMC1084870
Absorption Bands in Nitrogen
H. Sponer
Proc Natl Acad Sci U S A. 1927 March; 13(3): 100–104.
PMCID: PMC1084871
Action of Radiation and Perturbations on Atoms
J. C. Slater
Proc Natl Acad Sci U S A. 1927 March; 13(3): 104–111.
PMCID: PMC1084872
The Periodicity of Photoelectric Thresholds
George B. Welch
Proc Natl Acad Sci U S A. 1927 March; 13(3): 111–113.
PMCID: PMC1084873
Physiology
The Fasting of Large Ruminants
F. G. Benedict and E. G. Ritzman
Proc Natl Acad Sci U S A. 1927 March; 13(3): 125–131.
PMCID: PMC1084877
The Basal Metabolism of Steers
F. G. Benedict and E. G. Ritzman
Proc Natl Acad Sci U S A. 1927 March; 13(3): 132–136.
PMCID: PMC1084878
The Metabolic Stimulus of Food in the Case of Steers
F. G. Benedict and E. G. Ritzman
Proc Natl Acad Sci U S A. 1927 March; 13(3): 136–140.
PMCID: PMC1084879
Zoölogy
Studies on the Effect of Potassium Alum-Hydrochloric Acid Solutions on the Growth and Fate of Neoplastic Tissue: 1. Effect on a Slow-Growing Adeno-Carcinoma of the Mouse
Leonell C. Strong
Proc Natl Acad Sci U S A. 1927 March; 13(3): 141–145.
PMCID: PMC1084880
Journal Matter
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