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This journal provides immediate access to some articles. Volume 17(5); May 1931 Chemistry Studies on Electrokinetic Potentials: IX. The Electrical Field of Force at Liquid—liquid Interfaces PMCID: PMC1076048 Reversible Coagulation in Living Tissue: III PMCID: PMC1076049 Genetics The Inadequacy of the Sub-Gene Hypothesis of the Nature of the Scute Allelomorphs of Drosophila PMCID: PMC1076041 Proof That Bar Changes to Not-Bar by Unequal Crossing-Over PMCID: PMC1076042 Differences between Chromosome Groups of Soma and Germ-Line in Sciara PMCID: PMC1076043 The Hereditary Basis for Melanosis in Hybrids of Mexican Killifishes PMCID: PMC1076044 Geology and Paleontology Accuracy in Percentage Representation of Heavy Mineral Frequencies PMCID: PMC1076037 Mathematics Hamiltonian Systems and Transformation in Hilbert Space PMCID: PMC1076052 The Order of Vanishing of the Determinant of a Conjugate Base PMCID: PMC1076053 Automorphisms of Order 2 of an Abelian Group PMCID: PMC1076054 On the Unified Field Theory: VI PMCID: PMC1076055 Physics A Critique of Recent Quantum Theories PMCID: PMC1076050 Dissipative Dynamical Systems: I PMCID: PMC1076051 Physiology and Pathology IV. The Method of Action of Pituitrin Introduced into the Ventricle PMCID: PMC1076038 V. The Counteractive Effect of Tribromethanol (Avertin) on the Stimulatory Response to Pituitrin Injected in the Ventricle PMCID: PMC1076039 VI. Concerning a Possible “Parasympathetic Center” in the Diencephalon PMCID: PMC1076040 Psychology and Anthropology The Correlation between Tanning and Unexposed Skin Color as Recorded by the Color Top PMCID: PMC1076047 Zoölogy The Responses of the Deep-Seated Melanophores in the Frog to Adrenalin and Pituitrin PMCID: PMC1076045 Control of Pigment Migration in the Chromatophores of Crustaceans PMCID: PMC1076046 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||
