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Volume 12(4);  April 1926
The cover of the journal
Genetics
Linkage between a Flower Color Factor and Self-Sterility Factors
Friedrich G. Brieger and A. J. Mangelsdorf
Proc Natl Acad Sci U S A. 1926 April; 12(4): 248–255.
PMCID: PMC1084513
On the Occurrence in the House Mouse of Mendelizing Structural Defect of the Retina Producing Blindness
Clyde E. Keeler
Proc Natl Acad Sci U S A. 1926 April; 12(4): 255–258.
PMCID: PMC1084514
Mathematics
On Laguerre's Series: First Note
Einar Hille
Proc Natl Acad Sci U S A. 1926 April; 12(4): 261–265.
PMCID: PMC1084516
On Laguerre's Series: Second Note
Einar Hille
Proc Natl Acad Sci U S A. 1926 April; 12(4): 265–269.
PMCID: PMC1084517
Groups Containing a Relatively Small Number of Sylow Subgroups
G. A. Miller
Proc Natl Acad Sci U S A. 1926 April; 12(4): 269–273.
PMCID: PMC1084518
Physics
Mutually Counteracting Pinhole Probes
Carl Barus
Proc Natl Acad Sci U S A. 1926 April; 12(4): 223–227.
PMCID: PMC1084507
Transition Probabilities and Principal Quantum Numbers
Frank C. Hoyt
Proc Natl Acad Sci U S A. 1926 April; 12(4): 227–231.
PMCID: PMC1084508
Absorption and Resonance Radiation in Excited Helium and the Structure of the 3889 Line
W. H. McCurdy
Proc Natl Acad Sci U S A. 1926 April; 12(4): 231–233.
PMCID: PMC1084509
Thermodynamic Derivation of a Black Body Radiation Isotherm
B. Bruzs
Proc Natl Acad Sci U S A. 1926 April; 12(4): 233–238.
PMCID: PMC1084510
Critical Potentials and the Heat of Dissociation of Hydrogen as Determined from Its Ultra-Violet Band Spectrum
Enos E. Witmer
Proc Natl Acad Sci U S A. 1926 April; 12(4): 238–244.
PMCID: PMC1084511
Curved Space-Time and Radiation
G. Y. Rainich
Proc Natl Acad Sci U S A. 1926 April; 12(4): 244–247.
PMCID: PMC1084512
Statistics
Vital Statistics of the National Academy of Sciences: V. The Growth of the Academy
Raymond Pearl
Proc Natl Acad Sci U S A. 1926 April; 12(4): 258–261.
PMCID: PMC1084515
Journal Matter
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