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Volume 27(7);  July 15, 1941
Genetics
Female Sterility in Interracial Hybrids of Drosophila Pseudoöbscura
Klaus Mampell
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 337–341.
PMCID: PMC1078334
Mathematics
Groups Containing Maximal Subgroups of Prime Order
G. A. Miller
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 342–345.
PMCID: PMC1078335
On the Riemann Hypothesis in Function-Fields
André Weil
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 345–347.
PMCID: PMC1078336
The Group Ring of a Locally Compact Group: I
I. E. Segal
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 348–352.
PMCID: PMC1078337
Conditional Invariants
G. Y. Rainich
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 352–355.
PMCID: PMC1078338
The Dirac Equation and Conditional Invariants
G. Y. Rainich
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 355–358.
PMCID: PMC1078339
Zoölogy and Anatomy
Pigments from Marine Muds
Denis L. Fox and Lloyd J. Anderson
Proc Natl Acad Sci U S A. 1941 July 15; 27(7): 333–337.
PMCID: PMC1078333
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