LETTER 



OF THE 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



COMMUNICATING 



THE ANNUAL EEPORT OF THE OPERATIONS, EXPENDITURES, AND CON- 

 DITION OF THE INSTITUTION FOR THE YEAR 1867. 



Smithsonian Institution, 



Washington, May 29, 1868. 

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

 mit to the Congress of the United States the annual report of the 

 operations, expenditures, and condition of the Smithsonian Institution 

 for the year 1867. 



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



JOSEPH HENRY, 

 Secretary Smithsonian Institution. 

 Hon. B. F. Wade, 



President of the Senate. 

 Hon. S. Colfax, 



Speaker of the House of Representatives. 



