EDITORIAL COMMITTEE: S. NEWCOMB, Mathematics; R. S. WOODWARD, Meohanios; E. C. PICKERING, Astronomy; T. C. MENDENHALL, Physics; E. H. THURSTON, EngiDeering; IRA REMsEN, Chemistry; CHARLES D. WALCOTT, Geology; W. M. DAVIS, Physiography; HENRY F. OSBORN, Paleontology ; W. K. BRooKS, C. HART MERRIAM, Zoology; S. H. SCUDDER, Entomology; C. E. BEsSEY, N. L. BRITTON, Botany; C. S. MINOT, Embryology, ...