Annual Report of the Board of Regents of the Smithsonian Institution Showing the Operations, Expenditures, and Condition of the Institution for the Year Ended June 30 1920

Washington, DC: United States Government Printing Office, 1922. Ex-Library. Near Fine. Cloth. First Edition. 8vo - over 7¾" - 9¾" tall. First edition. 8vo. Cloth. 704 p. Illustrated with photographs, maps, and charts. Includes annual reports of the departments and museums that make up the Smithsonian Institution, as well as financial reports and a report on buildings and equipment. The majority of the volume is taken up with articles on scientific discoveries and natural history, including studying the sun's heat on mountain peaks in desert lands; the habitability of Venus, Mars, etc.; giant suns; meteorological paradoxes; structure of crystals; Dr. Aston's experiments on the mass spectra of the chemical elements; vitamins; soil acidity; the chemistry of the earth's crust; major causes of land and sea oscillations; the Bryozoa or moss animals; horned dinosaurs; rhythm in nature; parasitism and symbiosis in their relation to the problem of evolution; local suppression of agricultural pests; the occult senses in birds; fiddler crabs; the senses of insects; orchard insects; the origin of insect societies; botanical gardens of Jamaica; narcotic daturas; effect of length of day and night on flowering and fruiting of plants; fire worship of the Hopi Indians; Racial groups and figures in the Natural History Building; ancient and modern Mexican dances, music, and songs; the Ralph Cross Johnson collection in the National Gallery; and more. Library bookplate and stamp. Near fine..