This journal provides immediate access to some articles. Volume 8(3); March 1922 Astronomy The Effective Temperature of 16 Stars as Estimated from the Energy Distribution in the Complete Spectrum PMCID: PMC1084985 Chemistry The Action of Diazomethane on Uracil PMCID: PMC1084983 Mathematics On the Relation of a Continuous Curve to Its Complementary Domains in Space of Three Dimensions PMCID: PMC1084980 Paleontology Additional Studies in Arrested Evolution PMCID: PMC1084986 New Forms of Life from the Silurian PMCID: PMC1084987 Physics Absorption of Short X-Rays by Aluminium and Copper PMCID: PMC1084984 Physiology Characteristic Effects upon Growth, Oestrus and Ovulation Induced by the Intraperitoneal Administration of Fresh Anterior Hypophyseal Substance PMCID: PMC1084981 A Study of the Effects of Cucurbita Pepo Seeds on Kidney Excretion PMCID: PMC1084982 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||