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Volume 36(2);  February 1950
The cover of the journal
Astronomy
A Note on the Mean Square Velocity in Stellar Statistics
Su-Shu Huang
Proc Natl Acad Sci U S A. 1950 February; 36(2): 67–72.
PMCID: PMC1063137
Radial Oscillations of Compressible Gas Spheres
Zdenĕk Kopal
Proc Natl Acad Sci U S A. 1950 February; 36(2): 72–84.
PMCID: PMC1063138
Biochemistry
The Synthesis of Rhodopsin from Retinene1
George Wald and Paul K. Brown
Proc Natl Acad Sci U S A. 1950 February; 36(2): 84–92.
PMCID: PMC1063139
The Synthesis of Rhodopsin from Vitamin A1
George Wald and Ruth Hubbard
Proc Natl Acad Sci U S A. 1950 February; 36(2): 92–102.
PMCID: PMC1063140
Botany
Antibiotic Substances from Basidiomycetes: VI. Agrocybe Dura
Frederick Kavanagh, Annette Hervey, and William J. Robbins
Proc Natl Acad Sci U S A. 1950 February; 36(2): 102–106.
PMCID: PMC1063141
Chemistry
Quantitative Effects of Protein Enrichment of Diet upon Growth and Early Adult Life
Henry C. Sherman, Constance S. Pearson, and Mary E. Bal
Proc Natl Acad Sci U S A. 1950 February; 36(2): 106–109.
PMCID: PMC1063142
Engineering
Distribution of Pressure on Curved Profiles in Supersonic Gas Flow with Variable Entropy
T. Y. Thomas
Proc Natl Acad Sci U S A. 1950 February; 36(2): 109–115.
PMCID: PMC1063143
Genetics
The Selective Advantage of an Adenineless Double Mutant Over One of the Single Mutants Involved
Mary B. Mitchell and Herschel K. Mitchell
Proc Natl Acad Sci U S A. 1950 February; 36(2): 115–119.
PMCID: PMC1063144
Mathematics
Partial Differential Equations and Generalized Analytic Functions
Lipman Bers
Proc Natl Acad Sci U S A. 1950 February; 36(2): 130–136.
PMCID: PMC1063147
The Exceptional Simple Lie Algebras F4 and E6
Claude Chevalley and R. D. Schafer
Proc Natl Acad Sci U S A. 1950 February; 36(2): 137–141.
PMCID: PMC1063148
A Topologized Fundamental Group
J. Dugundji
Proc Natl Acad Sci U S A. 1950 February; 36(2): 141–143.
PMCID: PMC1063149
On a Generalization of a Jacobi Exponential Sum Associated with Cyclotomy
H. S. Vandiver
Proc Natl Acad Sci U S A. 1950 February; 36(2): 144–151.
PMCID: PMC1063150
On Distortion at the Boundary of a Conformal Map
J. L. Walsh
Proc Natl Acad Sci U S A. 1950 February; 36(2): 152–156.
PMCID: PMC1063151
Physics
Higher Properties of Physical Systems of Curves
Edward Kasner and John De Cicco
Proc Natl Acad Sci U S A. 1950 February; 36(2): 119–122.
PMCID: PMC1063145
Psychology
Theoretical Relationships Among Some Measures of Conditioning
Conrad G. Mueller
Proc Natl Acad Sci U S A. 1950 February; 36(2): 123–130.
PMCID: PMC1063146
Journal Matter
Original table of contents page
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