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This journal provides immediate access to some articles. Volume 23(4); April 1937 Genetics A Remarkable Parallelism PMCID: PMC1076904 The Relation of Gene to Character in Quantitative Inheritance PMCID: PMC1076905 Mathematics The Groups of Order pm Which Have m — 1 Independent Generators PMCID: PMC1076907 On the Regular Representations of Algebras PMCID: PMC1076908 Simple Lie Algebras of Type A PMCID: PMC1076909 The Iterated Stieltjes Transform PMCID: PMC1076910 Metric Methods in Calculus of Variations PMCID: PMC1076911 Physics Ionization Theory and Radio-Biological Reactions PMCID: PMC1076898 Effects of the Length of X-Ray Waves on Seeds PMCID: PMC1076899 Symmetry of the Transmission Coefficients for the Passage of Particles through Potential Barriers PMCID: PMC1076900 Polymorphic Transitions of Inorganic Compounds to 50,000 kg./cm2 PMCID: PMC1076901 Physiology and Biochemistry The Instantaneous Visual Threshold after Light Adaptation PMCID: PMC1076906 Zoölogy and Anatomy Color Changes Due to Erythrophores in the Squirrel Fish Holocentrus PMCID: PMC1076902 Some Quantitative Relations between Visual Stimuli and the Production or Destruction of Melanin in Fishes PMCID: PMC1076903 Erratum On the Mean Value of rs for Keplerian Systems PMCID: PMC1076912 Corrects: On the Mean Value of rs for Keplerian Systems. Proc Natl Acad Sci U S A. 1937 February; 23(2): 91–94. Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||
