This journal provides immediate access to some articles. Volume 30(1); January 15, 1944 Genetics A Pericentric Inversion in Gasteria Resulting in Apparent Iso-Chromosomes at Meiosis PMCID: PMC1078655 Studies on the Development of the Eye: Evidence that the Lobe2, Lobe4, Lobe5 and Eyeless2 Mutants of Drosophila Melanogaster Develop in a Manner Similar to Bar PMCID: PMC1078656 Mechanism of Enzymatic Adaptation in Genetically Controlled Yeast Populations PMCID: PMC1078657 Corrections On Convex Topological Linear Spaces PMCID: PMC1078658 Corrects: On Convex Topological Linear Spaces. Proc Natl Acad Sci U S A. 1943 October 15; 29(10): 315–319. Natural Logarithms of Small Prime Numbers PMCID: PMC1078659 Corrects: Natural Logarithms of Small Prime Numbers. Proc Natl Acad Sci U S A. 1943 October 15; 29(10): 319–325. Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||