LETTER 



SECRETARY OE THE SMITHSONIAN INSTITUTION, 



COMMUNICATINQ 



The Annual Report of the operations, expenditures, and condition of the 

 Smithsonian Institution for the year 1857. 



May 27, 1858.— Read. 



June 12, 1858. — Ordered to be printed ; and that 10,000 additional copies be printed, 5,000 

 of which for the use of the Senate, and 5,000 for the use of the Smithsonian Institution. 



Smithsonian Institution, 



Washington, May 26, 1858. 

 Sir : In behalf of the Board of Regents, I have the honor to submit 

 to the Senate of the United States the Annual Report of the opera- 

 tions, expenditures, and condition of the Smithsonian Institution for 

 the year 1857. 



I have the honor to be, very respectfully, your obedient servant, 



JOSEPH HENRY, 

 Secretary Smithsonian Institution, 

 Hon. John C. Breckinridge, 



President of the Senate. 



