LETTER 



OF THE 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



C O M ai U N I C A T I N G 



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

 DITION OF THE INSTITUTION FOE THE YEAR 1863. 



JUXE 23, 18G4. — Read, and ordered to bo printed. 



Smithsonian Institution, 



Washington, June 27, 1864. 

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

 to the House of Representatives of the United States the annual report 

 of the operations, expenditures, and condition of the Smithsonian In- 

 stitution for the year 1SG3. 



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



JOSEPH HENRY, 

 Secretary Smithsonian Institution. 

 Hon. S. Colfax, 



Speaker of the House of Representatives. 



