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Volume 20(6);  June 1934
The cover of the journal
Chemistry
The Energies of the Atomic Linkages in the Normal Paraffin Hydrocarbons
Frederick D. Rossini
Proc Natl Acad Sci U S A. 1934 June; 20(6): 323–327.
PMCID: PMC1076412
Ammonium and Potassium Molybdo-Tellurates, Two Homeomorphous Orthorhombic Substances
J. D. H. Donnay and J. Mélon
Proc Natl Acad Sci U S A. 1934 June; 20(6): 327–335.
PMCID: PMC1076413
The Structure of the Carboxyl Group: I. The Investigation of Formic Acid by the Diffraction of Electrons
Linus Pauling and L. O. Brockway
Proc Natl Acad Sci U S A. 1934 June; 20(6): 336–340.
PMCID: PMC1076414
The Structure of the Carboxyl Group: II. The Crystal Structure of Basic Beryllium Acetate
Linus Pauling and J. Sherman
Proc Natl Acad Sci U S A. 1934 June; 20(6): 340–345.
PMCID: PMC1076415
Genetics
Biological Action of Small Deficiencies of X-Chromosome of Drosophila melanogaster
M. Demerec
Proc Natl Acad Sci U S A. 1934 June; 20(6): 354–359.
PMCID: PMC1076418
Ontogeny and Phylogeny of Man's Appendages
Chas. B. Davenport
Proc Natl Acad Sci U S A. 1934 June; 20(6): 359–364.
PMCID: PMC1076419
The Reaction of the Stigmatic Tissue against Pollen-Tube Growth in Selfed Self-Sterile Plants
E. M. East
Proc Natl Acad Sci U S A. 1934 June; 20(6): 364–368.
PMCID: PMC1076420
Geology and Paleontology
Neglected Factors in the Development of Thermal Springs
E. T. Allen
Proc Natl Acad Sci U S A. 1934 June; 20(6): 345–349.
PMCID: PMC1076416
Microsyopsinæ and Hyopsodontidæ in the Sespe Upper Eocene, California
Chester Stock
Proc Natl Acad Sci U S A. 1934 June; 20(6): 349–354.
PMCID: PMC1076417
Mathematics
On the Summability of Fourier Series. Fifth Note
Einar Hille and J. D. Tamarkin
Proc Natl Acad Sci U S A. 1934 June; 20(6): 369–372.
PMCID: PMC1076421
Groups of Order 2n Whose Squared Elements Constitute a Cyclic Subgroup
G. A. Miller
Proc Natl Acad Sci U S A. 1934 June; 20(6): 372–375.
PMCID: PMC1076422
Stochastic Processes and Statistics
J. L. Doob
Proc Natl Acad Sci U S A. 1934 June; 20(6): 376–379.
PMCID: PMC1076423
Physics
Remarks on the Possible Failure of Energy Conservation
Richard C. Tolman
Proc Natl Acad Sci U S A. 1934 June; 20(6): 379–383.
PMCID: PMC1076424
The Dirac Equation in Projective Relativity
A. H. Taub, O. Veblen, and J. von Neumann
Proc Natl Acad Sci U S A. 1934 June; 20(6): 383–388.
PMCID: PMC1076425
Physiology and Biochemistry
The Potentialities of Extreme Old Age
Francis G. Benedict and Howard F. Root
Proc Natl Acad Sci U S A. 1934 June; 20(6): 389–393.
PMCID: PMC1076426
Studies on the Growth Hormone of Plants: V. The Relation of Cell Elongation to Cell Wall Formation
James Bonner
Proc Natl Acad Sci U S A. 1934 June; 20(6): 393–397.
PMCID: PMC1076427
Zoölogy and Anatomy
A Test of the Possible Effect of Visual Stimuli upon the Hair Color of Mammals
Francis B. Sumner
Proc Natl Acad Sci U S A. 1934 June; 20(6): 397–402.
PMCID: PMC1076428
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
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