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Volume 36(9);  September 1950
The cover of the journal
Biochemistry
Potential Changes in Chloroplast Suspensions and in Whole Cytoplasm Preparations of Plant Cells on Illumination
John D. Spikes, Rufus Lumry, Henry Eyring, and Robert Wayrynen
Proc Natl Acad Sci U S A. 1950 September; 36(9): 455–460.
PMCID: PMC1063223
Chemistry
The Structure of the Mo6Cl14-- Complex in the Crystal (NH4)2(Mo6Cl8)Cl6·H2O
Philip A. Vaughan
Proc Natl Acad Sci U S A. 1950 September; 36(9): 461–464.
PMCID: PMC1063224
Genetics
Factors Governing Sexual Selection as an Isolating Mechanism in the Poeciliid Fish Lebistes Reticulatus
Caryl P. Haskins and Edna F. Haskins
Proc Natl Acad Sci U S A. 1950 September; 36(9): 464–476.
PMCID: PMC1063225
Mathematics
On the Multiplication of S-Functions
F. D. Murnaghan
Proc Natl Acad Sci U S A. 1950 September; 36(9): 476–479.
PMCID: PMC1063226
The Non-Finitizability of Impredicative Principles
Hao Wang
Proc Natl Acad Sci U S A. 1950 September; 36(9): 479–484.
PMCID: PMC1063227
National Academy of Sciences
Conference on the Ultracentrifuge
L. G. Longsworth
Proc Natl Acad Sci U S A. 1950 September; 36(9): 502–510.
PMCID: PMC1063230
The Rancho Santa Fe Conference Concerning the Evolution of the Earth
Louis B. Slichter
Proc Natl Acad Sci U S A. 1950 September; 36(9): 511–514.
PMCID: PMC1063231
Physics
Electromagnetic Ponderomotive Forces within Material Bodies
Joseph Slepian
Proc Natl Acad Sci U S A. 1950 September; 36(9): 485–497.
PMCID: PMC1063228
Infra-Red Bands in the Spectrum of NH3
Darwin L. Wood, Ely E. Bell, and Harald H. Nielsen
Proc Natl Acad Sci U S A. 1950 September; 36(9): 497–501.
PMCID: PMC1063229
Journal Matter
Original table of contents page
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