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Volume 12(8);  August 1926
The cover of the journal
Chemistry
The Electrical Conductivity of Liquid Cyanogen Bromide
George Glockler
Proc Natl Acad Sci U S A. 1926 August; 12(8): 522–523.
PMCID: PMC1084659
On the Free Energy of Hydration of Ions
T. J. Webb
Proc Natl Acad Sci U S A. 1926 August; 12(8): 524–529.
PMCID: PMC1084660
Genetics
An Effect of Temperature and Age on Crossing-Over in the First Chromosome of Drosophila Melanogaster
Curt Stern
Proc Natl Acad Sci U S A. 1926 August; 12(8): 530–532.
PMCID: PMC1084661
Geology
The Organic Content of Lake Water
Edward A. Birge and Chancey Juday
Proc Natl Acad Sci U S A. 1926 August; 12(8): 515–519.
PMCID: PMC1084657
The Stratigraphic Horizon of the Beds Containing Lepidocyclina Chaperi on Haut Chagres, Panama
Thomas Wayland Vaughan
Proc Natl Acad Sci U S A. 1926 August; 12(8): 519–522.
PMCID: PMC1084658
Paleontology
Foraminifera from the Upper Eocene Deposits of the Coast of Ecuador
Thomas Wayland Vaughan
Proc Natl Acad Sci U S A. 1926 August; 12(8): 533–535.
PMCID: PMC1084662
Physics
The Absorption of X-Rays in Crystalline Compounds
R. J. Havighurst
Proc Natl Acad Sci U S A. 1926 August; 12(8): 477–479.
PMCID: PMC1084647
Acoustic Pressures in Case of Soap Bubbles
Carl Barus
Proc Natl Acad Sci U S A. 1926 August; 12(8): 480–482.
PMCID: PMC1084648
Acoustic Pressure Promoted by Coöperating Quill Tubes without Pinholes
Carl Barus
Proc Natl Acad Sci U S A. 1926 August; 12(8): 482–486.
PMCID: PMC1084649
Note on the Temperature Relations of Photo-Electric Emission and Thermionic Emission of Electrons
Edwin H. Hall
Proc Natl Acad Sci U S A. 1926 August; 12(8): 486–488.
PMCID: PMC1084650
The Dielectric Constant of Diatomic Dipole-Gases on the New Quantum Mechanics
R. de L. Kronig
Proc Natl Acad Sci U S A. 1926 August; 12(8): 488–493.
PMCID: PMC1084651
A Photo-Ionization Experiment with Hydrogen
F. L. Mohler
Proc Natl Acad Sci U S A. 1926 August; 12(8): 494–496.
PMCID: PMC1084652
Series and Ionization Potentials in the Iron Spectrum
Otto Laporte
Proc Natl Acad Sci U S A. 1926 August; 12(8): 496–503.
PMCID: PMC1084653
The Location of the Electromotive Force in a Photo-Active Cell Containing a Fluorescent Electrolyte
Carleton C. Murdock
Proc Natl Acad Sci U S A. 1926 August; 12(8): 504–508.
PMCID: PMC1084654
Remarks on Professor Lewis's Note on the Path of Light Quanta in an Interference Field
Richard C. Tolman and Sinclair Smith
Proc Natl Acad Sci U S A. 1926 August; 12(8): 508–509.
PMCID: PMC1084655
The Mean Free Path of Electrons in Mercury Vapor
L. R. Maxwell
Proc Natl Acad Sci U S A. 1926 August; 12(8): 509–514.
PMCID: PMC1084656
Journal Matter
Original table of contents page
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