This journal provides immediate access to some articles. Volume 3(12); December 1917 Anthropology and Psychology Appetites and Aversions as Constituents of Instincts PMCID: PMC1091358 Article Report of the Autumn Meeting, November, 1917 PMCID: PMC1091373 Astronomy Absorption Effects in the Spiral Nebulae PMCID: PMC1091356 Botany The Synergetic Action of Electrolytes PMCID: PMC1091357 Rapid Respiration after Death PMCID: PMC1091359 Chemistry The Spectra of Isotopes and the Vibration of Electrons in the Atom PMCID: PMC1091366 Genetics Incompatibility of Mutant Races in Drosophila PMCID: PMC1091355 A Criticism of the Evidence for the Mutation Theory of De Vries from the Behavior of Species of Oenothera in Crosses and in Selfed Lines PMCID: PMC1091365 Geology and Paleontology Sublacustrine Glacial Erosion in Montana PMCID: PMC1091363 National Research Council Scientific Publications from Germany PMCID: PMC1091368 Report of Committee on Geology and Paleontology PMCID: PMC1091369 First Report of Committee on Zoology PMCID: PMC1091370 The Scope and Work of the Botanical Raw Products Committee PMCID: PMC1091371 Reports of Meetings of the Executive Committee PMCID: PMC1091372 Oceanography Diurnal Changes in the Sea at Tortugas, Florida PMCID: PMC1091361 Physics and Engineering Note on Interfermometer Methods of Measuring the Elastics of Small Bodies PMCID: PMC1091362 Physiology and Pathology The Effect of Stretching on the Rate of Conduction in the Neuro-Muscular Network in Cassiopea PMCID: PMC1091364 The Effect of Oxygen Tension on the Metabolism of Cassiopea PMCID: PMC1091367 Zoology The Means of Locomotion in Planarians PMCID: PMC1091360 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||