This journal provides immediate access to some articles. Volume 23(10); October 1937 Genetics The Occurrence of a Dominant Spotting Mutation in the House Mouse PMCID: PMC1076983 Geology and Paleontology Succession of Fossil Floras in Patagonia PMCID: PMC1076984 Mathematics General Projective Differential Geometry PMCID: PMC1076986 Groups in Which Every Subgroup of Composite Order Is Invariant PMCID: PMC1076987 On the Concept of Co-Sets in a Semi-Group PMCID: PMC1076988 On Generations of the Numbers of Bernoulli and Euler PMCID: PMC1076989 Zoölogy and Anatomy Skin Transplants between Embryos of Different Breeds of Fowl PMCID: PMC1076985 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||