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Volume 28(1);  January 1942
The cover of the journal
Anthropology
Prehistoric Contact between South America and the West Indies
Cornelius Osgood
Proc Natl Acad Sci U S A. 1942 January; 28(1): 1–4.
PMCID: PMC1078393
Botany
Guanine and Factor Z1, Growth Substances for Phycomyces
William J. Robbins and Frederick Kavanagh
Proc Natl Acad Sci U S A. 1942 January; 28(1): 4–8.
PMCID: PMC1078394
Chemistry
Radioactive Carbon as an Indicator of Carbon Dioxide Utilization: VIII. The Rôle of Carbon Dioxide in Cellular Metabolism
C. B. van Niel, S. Ruben, S. F. Carson, M. D. Kamen, and J. W. Foster
Proc Natl Acad Sci U S A. 1942 January; 28(1): 8–15.
PMCID: PMC1078395
Mathematics
Representation of Measurable Flows in Euclidean 3-Space
Shizuo Kakutani
Proc Natl Acad Sci U S A. 1942 January; 28(1): 16–21.
PMCID: PMC1078396
Inversion of a Generalized Laplace Integral
R. P. Boas, Jr.
Proc Natl Acad Sci U S A. 1942 January; 28(1): 21–24.
PMCID: PMC1078397
On Formal Exponential Differentiation in Rings
H. S. Vandiver
Proc Natl Acad Sci U S A. 1942 January; 28(1): 24–27.
PMCID: PMC1078398
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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