Report of the Board of Regents, Volume 72
U.S. Government Printing Office, 1919 - Discoveries in science
Vols. for 1847-1963/64 include the Institution's Report of the Secretary, also published separately.
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American animals annual arctic areas beds birds bowlder clay Bureau catalepsy chief terrace chondrules climate coast collection colonies color committee contains coral reefs Cretaceous deposits depth diluvium District Doctor east eastern eggs evidence explosive fauna feet fish Florida forest formation Fuchs Geol geological glacial gold gravels Hippopotamus Indians insects interesting interglacial island known lake land later loess lower mammals marine meteorites meters moraines mountain Mousterian National Museum native natural nest Noddy Noddy Tern northern occur older Orthoptera overlain Paradise Key peat pecan period picric acid plants planulae Plate present raised beach region represented River rocks sand scientific sea level shell shore shown Smithsonian Institution Smithsonian Report sooty Sooty Terns South southern species specimens submergence surface Tegelen temperature Terns tion Tortugas trees tropical United upper Valley vegetation Washington West