This journal provides immediate access to some articles. Volume 9(7); July 1923 Anthropology The Correlation of Respiratory and Circulatory Data for Adult Males PMCID: PMC1085370 Engineering On the Constant Ratio of Mean-to-mid Potential or Current at Successive Equidistant Points Along a Uniform Electric Conducting Line, Real or Artificial, in the Steady State PMCID: PMC1085361 Some Recent Measurements of Trans-Atlantic Radio Transmission PMCID: PMC1085362 Genetics Body Build and its Inheritance PMCID: PMC1085363 Mathematics A Bohr-Langmuir Transformation PMCID: PMC1085364 Form of the Number of the Subgroups of a Prime Power Group PMCID: PMC1085365 Paleontology Studies of the Larger Tertiary Foraminifera from Tropical and Subtropical America PMCID: PMC1085371 Physics The Interference of Light and the Quantum Theory PMCID: PMC1085366 Note on the Width of Spectral Lines Due to Collisions and Quantum Theory PMCID: PMC1085367 Change in Wave-length by Scattering PMCID: PMC1085368 Notes on Germanium Oxide PMCID: PMC1085369 Physiology Mechanics of Locomotion in Amoeba PMCID: PMC1085372 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||