This journal provides immediate access to some articles. Volume 32(8); August 1946 Genetics Experiments on Sexual Isolation in Drosophila: VIII. Influence of Light on the Mating Behavior of Drosophila Subobscura, Drosophila Persimilis and Drosophila Pseudoobscura PMCID: PMC1078926 Mathematics On A Theorem of von Neumann PMCID: PMC1078923 On Blocks of Characters of Groups of Finite Order: II PMCID: PMC1078924 Physiology Effects of Exposure to Ultra-Violet Light on Human Dark Adaptation PMCID: PMC1078925 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||