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• MINOR CONTRIBUTIONS

•	A Reinterpretation of the Electron Spectra of Radioactive Ytterbium and Tantalum J. M. Cork, H. B. Keller, W. C. Rutledge, and A. E. Stoddard pp. 95-98 [View   PDF (763 kB) ]

•	Quantum Electrodynamics: The Self-Energy Problem Hartland S. Snyder pp. 98-103 [View   PDF (913 kB) ]

•	Scarcity of States of Li7, from Magnetic Observation of Be9(d,α)Li7 D. R. Inglis pp. 104-109 [View   PDF (1288 kB) ]

•	Analysis of Proton-Proton Scattering by Means of the f Function G. Breit and R. D. Hatcher pp. 110-114 [View   PDF (1086 kB) ]

•	Dipole Transitions in the Nuclear Photo-Effect J. S. Levinger and H. A. Bethe pp. 115-129 [View   PDF (3071 kB) ]

•	The Fission Yield of Xe133 and Fine Structure in the Mass Yield Curve J. Macnamara, C. B. Collins, and H. G. Thode pp. 129-134 [View   PDF (1055 kB) ]

•	On the Charge Independence of Nuclear Forces Julian Schwinger pp. 135-139 [View   PDF (824 kB) ]

•	Microwave Spectroscopy in the Region from Two to Three Millimeters O. R. Gilliam, Charles M. Johnson, and Walter Gordy pp. 140-144 [View   PDF (935 kB) ]

•	Molecular Dipole Moments and Stark Effects. III. Dipole Moment Determinations R. G. Shulman, B. P. Dailey, and C. H. Townes pp. 145-148 [View   PDF (700 kB) ]

•	On the Role of the Subsidiary Condition in Quantum Electrodynamics F. Coester and J. M. Jauch pp. 149-156 [View   PDF (1358 kB)  See Also: Erratum]

•	On the Forces Producing the Ultrasonic Wind Francis E. Fox and Karl F. Herzfeld pp. 156-157 [View   PDF (384 kB) ]

•	Average Thermionic Constants of Polycrystalline Tungsten Wires M. H. Nichols pp. 158-161 [View   PDF (864 kB) ]

•	The Radiative Collisions of Positrons and Electrons J. Katzenstein pp. 161-169 [View   PDF (1721 kB) ]

•	On Polarization of Radiation by Interstellar Medium W. A. Hiltner pp. 170-171 [View   PDF (459 kB) ]

•	Measurements of the Influence on the Fountain Effect of He3 Dissolved in He4 K. W. Taconis, J. J. Beenakker, and Z. Dokoupil pp. 171 [View   PDF (255 kB) ]

•	On the Determination of the Relative Positron Activity of Cu64 in a Source of Cu61 C. Sharp Cook and Chia-hua Chang pp. 171-172 [View   PDF (498 kB) ]

•	The Latitude and Longitude Effects in Cosmic Rays Over the United States and Canada at 30,000 Feet A. T. Biehl and H. V. Neher pp. 172-173 [View   PDF (441 kB) ]

•	Energy Band Structures in Semiconductors W. Shockley pp. 173-174 [View   PDF (450 kB) ]

•	Microwave Measurements on the Stable Selenium Isotopes in OCSe S. Geschwind, H. Minden, and C. H. Townes pp. 174-175 [View   PDF (464 kB) ]

•	Resonance and Thermal Neutron Scattering in V51 M. Hamermesh and C. O. Muehlhause pp. 175 [View   PDF (212 kB) ]

•	Observations of the Rapid Withdrawal of Stored Holes from Germanium Transistors and Varistors L. A. Meacham and S. E. Michaels pp. 175-176 [View   PDF (425 kB) ]

•	The Elastic Constants of Germanium Single Crystals W. L. Bond, W. P. Mason, H. J. McSkimin, K. M. Olsen, and G. K. Teal pp. 176 [View   PDF (213 kB) ]

•	Energies of Some Gamma-Rays from ThC″, RaC, and Na24 J. L. Wolfson pp. 176-178 [View   PDF (626 kB) ]

•	Infra-Red Absorption of Silicon H. Y. Fan and M. Becker pp. 178-179 [View   PDF (521 kB) ]

•	Masses of Cr50, Cr52, and Fe54 Henry E. Duckworth and Howard A. Johnson pp. 179 [View   PDF (301 kB) ]

•	On the Disintegration Scheme of I131 I. Feister and L. F. Curtiss pp. 179-180 [View   PDF (539 kB) ]

•	The Scattering of Electrons by Hydrogen Atoms H. S. Massey and B. L. Moiseiwitsch pp. 180-181 [View   PDF (457 kB) ]

•	On the Sudden Increase in Cosmic-Ray Intensity on November 19, 1949 D. C. Rose pp. 181-182 [View   PDF (441 kB) ]

•	An Identity in Quantum Electrodynamics J. C. Ward pp. 182 [View   PDF (223 kB) ]

•	The Partial Molal Entropy of Superfluid in Pure He4 below the λ-Point O. K. Rice pp. 182-183 [View   PDF (464 kB) ]

•	Thermodynamics of He3 - He4 Solutions O. K. Rice and Olive G. Engel pp. 183 [View   PDF (242 kB) ]

•	Erratum: Internal Pair Formation M. E. Rose pp. 184 [View   PDF (246 kB) ]

•	The H.F.S. Anomaly of the Potassium Isotopes S. A. Ochs, R. A. Logan, and P. Kusch pp. 184 [View   PDF (246 kB) ]

•	Non-Local Fields M. Fierz pp. 184 [View   PDF (246 kB) ]

•	Thermal Expansion in Silver Halides A. W. Lawson pp. 185 [View   PDF (229 kB) ]

•	Causes of Abnormal Efficiencies in Scintillation Counters W. G. Cross pp. 185-186 [View   PDF (402 kB) ]

•	Minutes of the Meeting of the Ohio Section at Cincinnati, March 4, 1950 pp. 187 [View   PDF (219 kB) ]