This journal provides immediate access to some articles. Volume 9(10); October 1923 Astronomy Photovisual Magnitudes of One Hundred Bright Stars PMCID: PMC1085420 Revised Magnitudes and Color Indices of the Planets PMCID: PMC1085421 Preliminary Note: On the Variations of the Sun's Visible Features Associated with Variations of Solar Radiation PMCID: PMC1085424 Genetics The Heredity of Microscopic Hair Characters in Peromyscus PMCID: PMC1085423 Physics The Mobilities of Electrons in Air PMCID: PMC1085418 The Thermal Conductivity of Liquids PMCID: PMC1085419 Zoölogy The Origin of Secretory Granules PMCID: PMC1085422 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||