LETTER 



FROM TlIK 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



ACt'OiMPANYlNG 



The Anniml Report of the Board of Regents tf the Institution for 

 the year ending June 30^ 1900. 



Smithsonian Institution, 



Washington., D. C, 2lareh J, 1001. 

 To the Congrvss (ftJie United States: 



In {iccordance with section 5593 of tlic Revised Statutes of the 

 United States, I hav^e the honor, in ))ehalf of the Board of Regents, to 

 submit to Congress the Annual Report of the operations, expenditures, 

 and condition of the Smithsonian Institution for the year ending flune 

 30, lUUU. 



I have tlic lionor to be, very respectfully, your obedient servant, 



S. P. Langley, 

 Secretary of Sniithsonlaii Institution. 

 Hon. William P. Frye, 



President pro tempore of the Senate. 



