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Volume 24(3);  March 1938
The cover of the journal
Astronomy
Note on the Problem of the Expanding Universe
Harlow Shapley
Proc Natl Acad Sci U S A. 1938 March; 24(3): 148–154.
PMCID: PMC1077052
Chemistry
The Specificity of Pyrimidine for Phycomyces Blakesleeanus
William J. Robbins and Frederick Kavanagh
Proc Natl Acad Sci U S A. 1938 March; 24(3): 141–145.
PMCID: PMC1077050
The Specificity of Thiazole for Phycomyces Blakesleeanus
William J. Robbins and Frederick Kavanagh
Proc Natl Acad Sci U S A. 1938 March; 24(3): 145–147.
PMCID: PMC1077051
Genetics
The Bar “Locus” and the v+ Reaction in Drosophila Melanogaster
Arthur G. Steinberg and Mortimer Abramowitz
Proc Natl Acad Sci U S A. 1938 March; 24(3): 107–111.
PMCID: PMC1077043
Mathematics
Dependent Probabilities and Spaces (L)
Garrett Birkhoff
Proc Natl Acad Sci U S A. 1938 March; 24(3): 154–159.
PMCID: PMC1077053
On Semi-Groups of Transformations in Hilbert Space
Einar Hille
Proc Natl Acad Sci U S A. 1938 March; 24(3): 159–161.
PMCID: PMC1077054
Residuated Lattices
Morgan Ward and R. P. Dilworth
Proc Natl Acad Sci U S A. 1938 March; 24(3): 162–164.
PMCID: PMC1077055
Physiology
On the Duplexity Theory of Visual Response in Vertebrates
W. J. Crozier, Ernst Wolf, and Gertrud Zerrahn-Wolf
Proc Natl Acad Sci U S A. 1938 March; 24(3): 125–130.
PMCID: PMC1077047
On the Law for Minimal Discrimination of Intensities: III
W. J. Crozier and A. H. Holway
Proc Natl Acad Sci U S A. 1938 March; 24(3): 130–135.
PMCID: PMC1077048
A Determination of the Magnitude of the Cell “Sensitive Volume” Associated with the White-Eye Mutation in X-Rayed Drosophila: III
C. P. Haskins and E. V. Enzmann
Proc Natl Acad Sci U S A. 1938 March; 24(3): 136–141.
PMCID: PMC1077049
Zoölogy
Sex Reaction Types and Their Interrelations in Paramecium Bursaria: I
H. S. Jennings
Proc Natl Acad Sci U S A. 1938 March; 24(3): 112–117.
PMCID: PMC1077044
Sex Reaction Types and Their Interrelations in Paramecium Bursaria: II. Clones Collected from Natural Habitats
H. S. Jennings
Proc Natl Acad Sci U S A. 1938 March; 24(3): 117–120.
PMCID: PMC1077045
The Rôle of the Melanophore-Dispersing Hormone of the Pituitary in the Color Changes of the Catfish
Clinton M. Osborn
Proc Natl Acad Sci U S A. 1938 March; 24(3): 121–125.
PMCID: PMC1077046
Journal Matter
Original table of contents page
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