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Volume 11(9);  September 1925
The cover of the journal
Genetics
Studies on Biochemical Differences between (+) and (-) Sexes in Mucors: 1. Tellurium Salts as Indicators of the Reduction Reaction
Sophia Satina and A. F. Blakeslee
Proc Natl Acad Sci U S A. 1925 September; 11(9): 528–534.
PMCID: PMC1086112
Tetraploidy in Citrus
Howard B. Frost
Proc Natl Acad Sci U S A. 1925 September; 11(9): 535–537.
PMCID: PMC1086113
Mathematics
Arithmetization in the History of Mathematics
G. A. Miller
Proc Natl Acad Sci U S A. 1925 September; 11(9): 546–548.
PMCID: PMC1086116
Physics
The Passage of Slow Canal Rays through Hydrogen
A. J. Dempster
Proc Natl Acad Sci U S A. 1925 September; 11(9): 552–554.
PMCID: PMC1086118
Energy Transformations in an Unobstructed Air Current, in an Air Current Containing a Dry Obstacle, and in an Air Current Containing an Evaporating Surface; with Application to an Aerodynamic Psychrometer and to the Measurement of Atmospheric Humidity
George Porter Paine
Proc Natl Acad Sci U S A. 1925 September; 11(9): 555–562.
PMCID: PMC1086119
Note on the Experimental Determination of the Relative Intensities of Some of the Molybdenum and Copper K Series Lines and the Tungsten L Series Lines
Samuel K. Allison and Alice H. Armstrong
Proc Natl Acad Sci U S A. 1925 September; 11(9): 563–566.
PMCID: PMC1086120
X-Rays Scattered by Molybdenum
P. A. Ross
Proc Natl Acad Sci U S A. 1925 September; 11(9): 567–569.
PMCID: PMC1086121
Ratio of Intensities of Unmodified and Modified Lines in Scattered X-Rays
P. A. Ross
Proc Natl Acad Sci U S A. 1925 September; 11(9): 569–572.
PMCID: PMC1086122
The Effect of Light on the Behavior of Selenium Contact Rectifiers
Ernest Merritt
Proc Natl Acad Sci U S A. 1925 September; 11(9): 572–580.
PMCID: PMC1086123
The Acoustic Pressure in Tubes Capped by High Resistance Telephones, Vibrating in Different Phases
Carl Barus
Proc Natl Acad Sci U S A. 1925 September; 11(9): 581–584.
PMCID: PMC1086124
Physiology
Skin Temperature and Heat Loss
Francis G. Benedict
Proc Natl Acad Sci U S A. 1925 September; 11(9): 549–552.
PMCID: PMC1086117
Psychology
Deviation from the Regular as an Art Principle
C. E. Seashore and Milton Metfessel
Proc Natl Acad Sci U S A. 1925 September; 11(9): 538–542.
PMCID: PMC1086114
The Rôle of Mental Measurement in the Discovery and Motivation of the Gifted Student
Carl E. Seashore
Proc Natl Acad Sci U S A. 1925 September; 11(9): 542–545.
PMCID: PMC1086115
Zoölogy
Encystment and the Life Cycle in the Ciliate Didinium Nasutum
C. Dale Beers
Proc Natl Acad Sci U S A. 1925 September; 11(9): 523–528.
PMCID: PMC1086111
Journal Matter
Original table of contents page
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