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Volume 26(8);  August 15, 1940
Chemistry
Radioactive Carbon as an Indicator of Carbon Dioxide Reduction: IV. The Synthesis of Acetic Acid from Carbon Dioxide by Clostridium Acidi-Urici
H. A. Barker, S. Ruben, and J. V. Beck
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 477–482.
PMCID: PMC1078213
A Comparison of the Metabolism of Iodine and of Element 85 (Eka-Iodine)
Joseph G. Hamilton and Mayo H. Soley
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 483–489.
PMCID: PMC1078214
Ribonucleic Acids in Both Nucleus and Cytoplasm, and the Function of the Nucleolus
T. Caspersson and Jack Schultz
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 507–515.
PMCID: PMC1078220
Genetics
THE GENETIC CONTROL OF NUCLEOLAR COMPOSITION
Jack Schultz, T. Caspersson, and L. Aquilonius
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 515–523.
PMCID: PMC1078221
ARE DIFFERENCES IN SIZE BETWEEN PARTS OF THE BODY DUE TO GENERAL OR SPECIFIC FACTORS?
J. I. Cohen
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 524–526.
PMCID: PMC1078222
A PENTAPLOID LARVA OF THE NEWT, TRITURUS VIRIDESCENS
Gerhard Fankhauser
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 526–532.
PMCID: PMC1078223
UNEQUAL BREAKS IN TWO SISTER CHROMATIDS INDUCED BY X-RAYS IN DROSOPHILA MELANOGASTER
M. Demerec and Eileen Sutton
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 532–536.
PMCID: PMC1078224
Mathematics
Surfaces of Minimal Capacity
G. C. Evans
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 489–491.
PMCID: PMC1078215
The Polynomial of Mittag-Leffler
H. Bateman
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 491–496.
PMCID: PMC1078216
Binary Forms
Rufus Oldenburger
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 497–499.
PMCID: PMC1078217
Subgroups of the Groups Whose Orders Are Below Thirty
G. A. Miller
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 500–502.
PMCID: PMC1078218
A General Theorem on Conformal Mapping of Multiply Connected Domains
R. Courant, B. Manel, and M. Shiffman
Proc Natl Acad Sci U S A. 1940 August 15; 26(8): 503–507.
PMCID: PMC1078219
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