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Volume 43(3);  March 15, 1957
The cover of the journal
Genetics
EFFECT OF RIBONUCLEASE ON CROSSING OVER IN Drosophila
Berwind P. Kaufmann, Helen Gay, and Mary J. McElderry
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 255–261.
PMCID: PMC528427
THE NATURE OF THE CHANGES EFFECTED IN CHROMOSOMAL MATERIALS BY THE CHELATING AGENT EDTA
Berwind P. Kaufmann and Margaret R. McDonald
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 262–270.
PMCID: PMC528428
THE PROBLEM OF DOMINANT LETHALS IN Drosophila Melanogaster FEMALES
R. C. King
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 282–285.
PMCID: PMC528433
THREE DIPLOID CHROMOSOME NUMBERS OF MAN
Masuo Kodani
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 285–292.
PMCID: PMC528434
Mathematics
THE ASYMPTOTIC DISTRIBUTION OF EIGENFUNCTIONS AND EIGENVALUES FOR SEMI-ELLIPTIC DIFFERENTIAL OPERATIONS
Felix E. Browder
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 270–273.
PMCID: PMC528429
IRREDUCIBLE OPERATOR ALGEBRAS
Richard V. Kadison
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 273–276.
PMCID: PMC528430
ZEROS OF NEIGHBORING HOLOMORPHIC FUNCTIONS
T. P. G. Liverman
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 276–278.
PMCID: PMC528431
Zoölogy and Anatomy
A PRELIMINARY NOTE ON EXCITATION-CONTRACTION COUPLING
Arpad Csapo and Taizo Suzuki
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 278–281.
PMCID: PMC528432
ON THE RELATIVE ABUNDANCE OF BIRD SPECIES
Robert H. MacArthur
Proc Natl Acad Sci U S A. 1957 March 15; 43(3): 293–295.
PMCID: PMC528435
Journal Matter
Original table of contents page
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Administrative content — journal masthead, notices, indexes, etc.
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