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This journal provides immediate access to some articles. Volume 14(9); September 1928 Botany The Hypostase: Its Presence and Function in the Ovule of the Onagraceae PMCID: PMC1085686 Chemistry The Absorption Spectrum of Nitrogen Dioxide PMCID: PMC1085682 The Relation of Hydrolysis to the Validity of Beer's Law PMCID: PMC1085683 Mathematics On the Roots of the Derivative of a Polynomial PMCID: PMC1085689 Concerning the *[unk] Group of Transformations PMCID: PMC1085690 Conformal Tensors and Connections PMCID: PMC1085691 The Group Manifold of Finite Continuous Point and Functional Transformation Groups PMCID: PMC1085692 Physics Intensities of K-Series X-Rays from Thin Targets PMCID: PMC1085680 The Spectrum of the Hydrogen Molecular Ion PMCID: PMC1085681 Further Remarks on the Second Law of Thermodynamics in General Relativity PMCID: PMC1085684 Series Spectra of Cadmium-Like Atoms PMCID: PMC1085685 Zoölogy Glycogen as a Means of Ciliary Reversal PMCID: PMC1085687 The Production of Mutations by X-Rays PMCID: PMC1085688 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||
