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Volume 33(6);  June 1947
The cover of the journal
Biochemistry
Kynurenine as an Intermediate in the Formation of Nicotinic Acid from Tryptophane by Neurospora
G. W. Beadle, H. K. Mitchell, and J. F. Nyc
Proc Natl Acad Sci U S A. 1947 June; 33(6): 155–158.
PMCID: PMC1079015
Botany
On the Evolution of the Genus Nicotiana
T. H. Goodspeed
Proc Natl Acad Sci U S A. 1947 June; 33(6): 158–171.
PMCID: PMC1079016
Antibiotic Substances from Basidiomycetes: I. Pleurotus griseus
William J. Robbins, Frederick Kavanagh, and Annette Hervey
Proc Natl Acad Sci U S A. 1947 June; 33(6): 171–176.
PMCID: PMC1079017
Antibiotics from Basidiomycetes: II. Polyporus biformis
William J. Robbins, Frederick Kavanagh, and Annette Hervey
Proc Natl Acad Sci U S A. 1947 June; 33(6): 176–182.
PMCID: PMC1079018
Embryology
The Pole Cells of Diptera, Their Fate and Significance
D. F. Poulson
Proc Natl Acad Sci U S A. 1947 June; 33(6): 182–184.
PMCID: PMC1079019
Mathematics
A General Class of Problems in Conformal Mapping
A. C. Schaeffer and D. C. Spencer
Proc Natl Acad Sci U S A. 1947 June; 33(6): 185–189.
PMCID: PMC1079020
Physics
Continuous Particles
M. Hessaby
Proc Natl Acad Sci U S A. 1947 June; 33(6): 189–194.
PMCID: PMC1079021
Radio-Wave Propagation and Electromagnetic Surface Waves
Paul S. Epstein
Proc Natl Acad Sci U S A. 1947 June; 33(6): 195–199.
PMCID: PMC1079022
Journal Matter
Original table of contents page
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