This journal provides immediate access to some articles. Volume 14(12); December 1928 Astronomy Studies of the Galactic Center: III. The Absolute Magnitudes of Long Period Variables PMCID: PMC1085812 The Absolute Magnitudes of Long Period Variable Stars PMCID: PMC1085813 Biology The Form of the Growth Curve of the Canteloup (Cucumis Melo) under Field Conditions PMCID: PMC1085793 Chemistry The Relation between Polarization and Association PMCID: PMC1085805 pH Measurement with the Glass Electrode and Vacuum Tube Potentiometer PMCID: PMC1085806 Genetics A Cross-over between the Genes for Short-Ear and Density in the House Mouse PMCID: PMC1085802 Evidence that the Female Is Responsible for the Sex Ratio in Sciara (Diptera) PMCID: PMC1085803 Observations on Sex-Ratio Determination in Sciara (Diptera) PMCID: PMC1085804 Mathematics Invariant Sequences PMCID: PMC1085794 Normal Division Algebras Satisfying Mild Assumptions PMCID: PMC1085795 The Group of the Rank Equation of Any Normal Division Algebra PMCID: PMC1085796 Postulates for an Abstract Arithmetic PMCID: PMC1085797 On the Characteristic Values of Linear Integral Equations PMCID: PMC1085798 On the Summability of Fourier Series PMCID: PMC1085799 Groups Involving a Cyclic, a Dicyclic, or a Dihedral Group as an Invariant Subgroup of Prime Index PMCID: PMC1085800 Physics Chemical Reaction in the Interferometer U-Gauge PMCID: PMC1085807 Resistance and Thermo-Electric Phenomena in Metal Crystals PMCID: PMC1085808 Angular Distribution of Intensity of Resonance Radiation PMCID: PMC1085809 Some Multiplets of Singly Ionized Thallium PMCID: PMC1085810 The Influence of the Presence of Hydrogen on the L111 X-ray Absorption Edge of Palladium PMCID: PMC1085811 Zoölogy The Weight-Length Relation in Fishes PMCID: PMC1085801 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||