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Volume 17(7);  July 1931
The cover of the journal
Chemistry
Optical Sensitization
Wilder D. Bancroft, J. W. Ackerman, and Catharine Gallagher
Proc Natl Acad Sci U S A. 1931 July; 17(7): 407–410.
PMCID: PMC1076075
Reversible Coagulation in Living Tissue: IV
Wilder D. Bancroft and G. H. Richter
Proc Natl Acad Sci U S A. 1931 July; 17(7): 410–413.
PMCID: PMC1076076
Genetics
Uncomplicated Trisomic Inheritance of Purple Versus Red in Matthiola
Howard B. Frost
Proc Natl Acad Sci U S A. 1931 July; 17(7): 434–436.
PMCID: PMC1076083
The Probable Origin of Oenothera Rubricalyx “Afterglow” on the Basis of the Segmental Interchange Theory
Ralph E. Cleland
Proc Natl Acad Sci U S A. 1931 July; 17(7): 437–440.
PMCID: PMC1076084
Inheritance of Body Weight in Domestic Fowl
Nelson F. Waters
Proc Natl Acad Sci U S A. 1931 July; 17(7): 440–444.
PMCID: PMC1076085
Mathematics
A Canonical Form for Real Matrices under Orthogonal Transformations
F. D. Murnaghan and A. Wintner
Proc Natl Acad Sci U S A. 1931 July; 17(7): 417–420.
PMCID: PMC1076079
Physics
Wave Motion and the Equation of Continuity
R. B. Lindsay
Proc Natl Acad Sci U S A. 1931 July; 17(7): 420–426.
PMCID: PMC1076080
Electric Conductivity and Optical Absorption in Metals (Supplementary)
Edwin H. Hall
Proc Natl Acad Sci U S A. 1931 July; 17(7): 427–430.
PMCID: PMC1076081
Electromagnetic Fields Derived from Non-Commuting Potentials
Benedict Cassen
Proc Natl Acad Sci U S A. 1931 July; 17(7): 430–434.
PMCID: PMC1076082
Zoölogy
The Cupula of the Ear
R. E. Bowen
Proc Natl Acad Sci U S A. 1931 July; 17(7): 413–415.
PMCID: PMC1076077
The Cilia of Naphthys Bucera
B. R. Coonfield
Proc Natl Acad Sci U S A. 1931 July; 17(7): 416.
PMCID: PMC1076078
Journal Matter
Administrative content — journal masthead, notices, indexes, etc.
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