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Volume 19(10);  October 1933
The cover of the journal
Astronomy
Neon Absorption Lines in Stellar Spectra
Donald H. Menzel and Roy K. Marshall
Proc Natl Acad Sci U S A. 1933 October; 19(10): 879–881.
PMCID: PMC1086222
Mathematics
An Extremal Problem in Analytic Functions
J. L. Walsh
Proc Natl Acad Sci U S A. 1933 October; 19(10): 900–902.
PMCID: PMC1086226
On Moment Functions
Einar Hille and J. D. Tamarkin
Proc Natl Acad Sci U S A. 1933 October; 19(10): 902–908.
PMCID: PMC1086227
On the Theory of Laplace Integrals
Einar Hille and J. D. Tamarkin
Proc Natl Acad Sci U S A. 1933 October; 19(10): 908–912.
PMCID: PMC1086228
A Lower Limit for the Species of a Pfaffian System
Joseph Miller Thomas
Proc Natl Acad Sci U S A. 1933 October; 19(10): 913–914.
PMCID: PMC1086229
A Property of Recurring Series
Morgan Ward
Proc Natl Acad Sci U S A. 1933 October; 19(10): 914–916.
PMCID: PMC1086230
Paleontology
The Biogeographic Relations of the Orbitoid Foraminifera
Thomas Wayland Vaughan
Proc Natl Acad Sci U S A. 1933 October; 19(10): 922–938.
PMCID: PMC1086232
Physics
Intensities in Atomic Spectra
M. H. Johnson, Jr.
Proc Natl Acad Sci U S A. 1933 October; 19(10): 916–921.
PMCID: PMC1086231
Psychology
Transformations Preserving the Tetrad Equations
Edwin B. Wilson
Proc Natl Acad Sci U S A. 1933 October; 19(10): 882–884.
PMCID: PMC1086223
Zoölogy
Color Changes in the Isolated Scale Iridocytes of the Squirrel Fish, Holocentrus Ascensionis (Osbeck)
Dietrich C. Smith
Proc Natl Acad Sci U S A. 1933 October; 19(10): 885–892.
PMCID: PMC1086224
Multiple Tests in the Foraminifera
Earl H. Myers
Proc Natl Acad Sci U S A. 1933 October; 19(10): 893–899.
PMCID: PMC1086225
Journal Matter
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