This journal provides immediate access to some articles. Volume 18(8); August 1932 Chemistry A Search for Evidence of the Radioactive Decomposition of Barium PMCID: PMC1076273 The Reaction of Chlorine with Hydrogen PMCID: PMC1076274 An Investigation of Intermediate Compound Formation by Means of the Raman Effect PMCID: PMC1076275 Genetics Absence of Corpus Callosum, a Hereditary Brain Anomaly of the House Mouse. Preliminary Report PMCID: PMC1076272 Geology and Paleontology An Upper Oligocene Mammalian Fauna from Southern California PMCID: PMC1076279 Mathematics An Extension of the New Einstein Geometry PMCID: PMC1076280 Simultaneous Differential Invariants of an Affine Connection and a General Linear Connection PMCID: PMC1076281 The Standard Error of a Tetrad in Samples from a Normal Population of Independent Variables PMCID: PMC1076282 Physics Gamma Radiation PMCID: PMC1076278 Zoölogy Double Innervation of Melanophores PMCID: PMC1076276 Neuro-Humoral Control of Fish Melanophores PMCID: PMC1076277 Journal Matter Administrative content — journal masthead, notices, indexes, etc. | ||