This journal provides immediate access to some articles. Volume 33(8); August 1947 Genetics A Suppressor in Neurospora and its Use as Evidence for Allelism PMCID: PMC1079034 X-Ray and Ultraviolet Studies on Pollen Tube Chromosome: II The Quadripartite Structure of the Prophase Chromosomes of Tradescantia PMCID: PMC1079035 Mathematics On the Asymptotic Solution of the Differential Equation for Small Disturbances in a Laminar Flow PMCID: PMC1079036 Abstract Group Generated by the Quaternion Units PMCID: PMC1079037 Limits for the Number of Solutions of Certain General Types of Equations in a Finite Field PMCID: PMC1079038 Characteristic Coordinates for Hyperbolic Differential Equations in the Large PMCID: PMC1079039 Physics Physical Curves PMCID: PMC1079040 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||