This journal provides immediate access to some articles. Volume 10(5); May 1924 Genetics The Partial Genetic Independence in Size of the Various Parts of the Body PMCID: PMC1085588 Are the Various Parts of the Body Genetically Independent in Size? PMCID: PMC1085589 Mathematics Prime Power Substitution Groups Whose Conjugate Cycles Are Commutative PMCID: PMC1085584 An Extension of the Theorem That No Countable Point Set Is Perfect PMCID: PMC1085585 Concerning the Prime Parts of Certain Continua Which Separate the Plane PMCID: PMC1085586 Concerning the Division of the Plane by Continua PMCID: PMC1085587 Physics A Possible Explanation of Tertiary Line Spectra in X-Rays PMCID: PMC1085591 On the Theory of the Tertiary Radiation Produced by Impacts of Photo-Electrons PMCID: PMC1085592 Absorption Measurements of Certain Changes in the Average Wave-Length of Tertiary X-Rays PMCID: PMC1085593 The Series Spectra of the Stripped Boron Atom (BIII) PMCID: PMC1085594 Statistics Is Pneumonia Increasing? PMCID: PMC1085583 Zoölogy On the Longevity of Spathidium Spathula without Endomixis or Conjugation PMCID: PMC1085590 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||