Annual Report of the Board of Regents of the Smithsonian Institution

Abbot Aleš Hrdlička alpha particles American animals archeological assistant curator atoms Bering Sea Bering Strait blastopore blastula Bureau cells century clock codex collection cosmic rays culture digestive distance division earth Eight Deer electricity electrons endoderm energy Eskimo Ethnology excavations exhibition expedition feet FIGURE flying fishes fossils fund galaxy Gallery of Art Gawra gift heat Henbury Indian insect June 30 Lawrence Island light light-years mass material mesoderm meteorite meteorite craters meters miles mollusks motion mountains National Gallery National Museum nebulae nuclei observed obtained Old Bering Sea paintings particles period physical plants PLATE present protons publications Punuk radiation recent region rock rotation scientific Six Monkey Smithsonian Institution Smithsonian Report solar space species specimens speed stars stomach surface temperature theory tion ultraviolet ultraviolet rays United universe velocity voltage volumes Washington wave lengths