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Volume 27(12);  December 15, 1941
Anthropology and Psychology
Patterns of Growth in Human Intelligence
George D. Stoddard
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 551–555.
PMCID: PMC1078380
Botany
The Concept of Ecospecies in Tertiary Paleobotany
Daniel I. Axelrod
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 545–551.
PMCID: PMC1078379
Chemistry
Radioactive Carbon as an Indicator of Carbon Dioxide Utilization: VII. The Assimilation of Carbon Dioxide by Molds
J. W. Foster, S. F. Carson, S. Ruben, and M. D. Kamen
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 590–596.
PMCID: PMC1078389
Genetics
Intersexes in Drosophila Pseudoöbscura
Th. Dobzhansky and B. Spassky
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 556–562.
PMCID: PMC1078381
The Origin of Jerker, a New Gene Mutation of the House Mouse, and Linkage Studies Made with It
Hans Grüneberg, Joshua B. Burnett, and George D. Snell
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 562–565.
PMCID: PMC1078382
Genic Effects on Serum Proteins
R. W. Cumley, M. R. Irwin, and L. J. Cole
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 565–570.
PMCID: PMC1078383
Mathematics
Concerning the Differential Equations of Some Boundary Layer Problems
Hermann Weyl
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 578–583.
PMCID: PMC1078386
The Generation of Inseparable Fields
F. K. Schmidt and Saunders MacLane
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 583–587.
PMCID: PMC1078387
Maximal Invariant Proper Subgroups of a Finite Group
G. A. Miller
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 587–590.
PMCID: PMC1078388
Physics
On the Motion of Vortices in Two Dimensions: I. Existence of the Kirchhoff-Routh Function
C. C. Lin
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 570–575.
PMCID: PMC1078384
On the Motion of Vortices in Two Dimensions: II. Some Further Investigations on the Kirchhoff-Routh Function
C. C. Lin
Proc Natl Acad Sci U S A. 1941 December 15; 27(12): 575–577.
PMCID: PMC1078385
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
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