Annual Report of the Board of Regents of the Smithsonian Institution

acres American amount animals annual appear become birds Board building Bureau canal carpets carried cell charge Chief close collections committee completed Congress connection considerable construction containing continued determined direction distance drop earth electric engine entire exchange experiments fact feet field flight give given Government important Institution interest irrigable July June known land Langley less Library lines machine March mass matter means measure method miles minute Museum observations obtained operation ornament Panama passed period Persian photograph placed plants plates position possible practically present probably produced publications published received record represented researches River scientific Secretary shown side Smithsonian Smithsonian Institution solar stars surface taken tion United various volume Washington Wright