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Volume 15(7);  July 15, 1929
Astronomy
NOTE ON THE VELOCITIES AND MAGNITUDES OF EXTERNAL GALAXIES
Harlow Shapley
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 565–570.
PMCID: PMC522507
Biology
WATER-INTAKE AND ITS RELATION TO THE SURFACE AREA OF THE BODY
Curt P. Richter and Miriam E. Brailey
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 570–578.
PMCID: PMC522508
THE INFLUENCE OF THYROID GLAND FEEDING ON THE ACCELERATION OF THE GROWTH OF LARVAE OF DROSOPHILA MELANOGASTER
W. W. Alpatov
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 578–580.
PMCID: PMC522509
Botany
THE CHROMOSOMES OF SOME DIOECIOUS ANGIOSPERMS
Ruth H. Lindsay
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 611–613.
PMCID: PMC522517
Chemistry
DIELECTRIC LOSS IN ELECTROLYTE SOLUTIONS IN HIGH FREQUENCY
William T. Richards and Alfred L. Loomis
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 587–593.
PMCID: PMC522511
THE TEMPERATURE COEFFICIENT OF RADIOACTIVE DISINTEGRATION
Oscar Knefler Rice
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 593–595.
PMCID: PMC522512
SOME STUDIES ON HOMOGENEOUS CATALYSIS
Nicholas A. Milas
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 596–601.
PMCID: PMC522513
UNIMOLECULAR REACTIONS
Louis S. Kassel
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 601–603.
PMCID: PMC522514
Geology and Paleontology
THE ROCK SUITES OF THE PACIFIC AND THE ATLANTIC BASINS
Henry S. Washington
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 604–609.
PMCID: PMC522515
Mathematics
CHARACTERIZATION OF CONTINUOUS CURVES THAT ARE PERFECTLY CONTINUOUS
R. L. Wilder
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 614–621.
PMCID: PMC522518
Physics
THE MEAN SQUARE ANGULAR MOMENTUM AND DIAMAGNETISM OF THE NORMAL HYDROGEN MOLECULE
J. H. Van Vleck and Amelia Frank
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 539–544.
PMCID: PMC522503
EFFECTS OF A CRYSTALLOGRAPHIC TRANSFORMATION ON THE PHOTOELECTRIC AND THERMIONIC EMISSION FROM COBALT
Alvin B. Cardwell
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 544–551.
PMCID: PMC522504
THE REFLECTING POWER OF SOME SUBSTANCES IN THE EXTREME ULTRA-VIOLET
Paul R. Gleason
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 551–557.
PMCID: PMC522505
THE PROBLEM OF THE IONIZED HYDROGEN MOLECULE
C. Y. Chao
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 558–565.
PMCID: PMC522506
Physiology and Pathology
ON THE GEOTROPIC RESPONSE IN YOUNG RATS
G. Pincus and W. J. Crozier
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 581–586.
PMCID: PMC522510
A METHOD FOR THE DETERMINATION OF THE ACTIVITY OF ANTIPOLIOMYELITIC SERUM
Simon Flexner and Cornelius P. Rhoads
Proc Natl Acad Sci U S A. 1929 July 15; 15(7): 609–611.
PMCID: PMC522516
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