This journal provides immediate access to some articles. Volume 22(2); February 1936 Bacteriology and Pathology On the Explosiveness and Destructiveness of the 1918 Epidemic PMCID: PMC1076718 Geology and Paleontology Comparison of Statically and Dynamically Determined Young's Modulus of Rocks PMCID: PMC1076711 Sespe Eocene Didelphids PMCID: PMC1076719 Mathematics Continuous Geometry PMCID: PMC1076712 Examples of Continuous Geometries PMCID: PMC1076713 Complete Differential Systems PMCID: PMC1076714 On General Manifolds PMCID: PMC1076715 General Theorems Applying to All the Groups of Order 32 PMCID: PMC1076716 Minimax Principle for Functions PMCID: PMC1076717 Physics and Engineering The Biological Action of Neutron Rays PMCID: PMC1076720 Relative Effectiveness of X-Rays and Fast Neutrons in Retarding Growth PMCID: PMC1076721 On the Color of Crater Lake Water PMCID: PMC1076722 Physiology and Biochemistry The Visual Cycle and Protein Denaturation PMCID: PMC1076723 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||