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Volume 8(2);  February 1922
The cover of the journal
Genetics
Structural Changes Associated with Factor Mutations and with Chromosome Mutations in Datura
Edmund W. Sinnott and Albert F. Blakeslee
Proc Natl Acad Sci U S A. 1922 February; 8(2): 17–19.
PMCID: PMC1084951
Mathematics
The Riemann Geometry and Its Generalization
L. P. Eisenhart and O. Veblen
Proc Natl Acad Sci U S A. 1922 February; 8(2): 19–23.
PMCID: PMC1084952
Ricci's Principal Directions for a Riemann Space and the Einstein Theory
L. P. Eisenhart
Proc Natl Acad Sci U S A. 1922 February; 8(2): 24–26.
PMCID: PMC1084953
Note on the Definition of a Lineal Functional
Charles Albert Fischer
Proc Natl Acad Sci U S A. 1922 February; 8(2): 26–29.
PMCID: PMC1084954
Zoölogy
Skin Transplantation in Frog Tadpoles
William H. Cole
Proc Natl Acad Sci U S A. 1922 February; 8(2): 29–32.
PMCID: PMC1084955
Journal Matter
Original table of contents page
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