Expenditures of the Smithsonian Institution. Letter from the Secretary of the Smithsonian Institution, submitting a detailed statement of the expenditures for the fiscal year ending June 30, 1896, under the appropriations for "International Exchanges," the "National Museum," the "Astrophysical Observatory," the "National Zoological Park," and "North American Ethnology." December 16, 1896. -- Referred to the Committee on Appropriations and ordered to be printed. [electronic resource]