LETTER 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



COMMUNICATING 



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

 DITION OF THE INSTITUTION FOR THE YEAR 186G. ^ 



Smithsonian Institution, 

 Washington, February 2G, 1867. 

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

 the Congress of the United States the annual report of the operations, 

 expenditures, and condition of the Smithsonian Institution for the 

 year 1866. 



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



JOSEPH HENRY, 

 Secretary Smiihsoman Institution, 

 Hon. L. F. S. Foster, 



President of the Senate. 

 Hon. S. Colfax, 



Speaker of the House of Representatives, 



