Annual Report of the Board of Regents of the Smithsonian Institution

12 months according action American animals appears appropriation atom Balance become body building Cape carried cause charge chemical close collections complete Congress connection continued direction earth effect electric energy entirely evidence existence experiments fact feet foot geology give given head heat hour important Institution interest Island July June 30 known laborer land less light magnetic March mass material matter means measurements method miles Museum nature necessary noted observations obtained original pass period plants plate position possible prepared present pressure probably produced publications radiation radium rays reached received region relation remains seems shown side silver Smithsonian species supplies surface temperature theory thousand tion United weather