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Volume 32(4);  April 1946
The cover of the journal
Genetics
Intersexes Dependent on a Maternal Effect in Hybrids Between Drosophila Repleta and D. Neorepleta
A. H. Sturtevant
Proc Natl Acad Sci U S A. 1946 April; 32(4): 84–87.
PMCID: PMC1078887
The Mechanism of Position Effect—Experiments on the Phenotypic Expression of Position Effects in Relation to Changes in Pairing of Neighboring Chromosome Regions
Eileen Sutton Gersh and Boris Ephrussi
Proc Natl Acad Sci U S A. 1946 April; 32(4): 87–94.
PMCID: PMC1078888
Mathematics
The Distortion of Angles in General Cartography
Edward Kasner and John De Cicco
Proc Natl Acad Sci U S A. 1946 April; 32(4): 94–97.
PMCID: PMC1078889
A Generalization of the Wiener-Hopf Integral Equation
Albert E. Heins and Norbert Wiener
Proc Natl Acad Sci U S A. 1946 April; 32(4): 98–101.
PMCID: PMC1078890
On Classes of Diophantine Equations of Higher Degrees Which Have No Solutions
H. S. Vandiver
Proc Natl Acad Sci U S A. 1946 April; 32(4): 101–106.
PMCID: PMC1078891
The Transformation of Dynamical Systems of Two Degrees of Freedom
T. Y. Thomas
Proc Natl Acad Sci U S A. 1946 April; 32(4): 106–111.
PMCID: PMC1078892
The Coefficients of Schlicht Functions: III
A. C. Schaeffer and D. C. Spencer
Proc Natl Acad Sci U S A. 1946 April; 32(4): 111–116.
PMCID: PMC1078893
Physiology
Growth Correlates of Electromotive Forces in Maize Seeds
Oliver E. Nelson, Jr. and H. S. Burr
Proc Natl Acad Sci U S A. 1946 April; 32(4): 73–84.
PMCID: PMC1078886
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