LETTER 



FROM THE 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



ACCOMPANYING 



The annual report of the Board of Regents of the Institution to the end of 



June, 1890. 



Smithsonian Institution, 



Washington, D. C, July 1, 1890. 



To the Congress of the United States: 



In accordance with section 5593 of the Revised Statutes of the United 

 States, I have the honor, in behalf of the Board of Eegeuts, to submit 

 to Congress the annual report of the operations, expLMiditures, and con- 

 dition of the Smithsonian Institution for the year ending June 30, 1890. 

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



S. P. Langley, 

 Secretary of Smithsonian Institution. 

 Hon. Levi P. Morton, 



President of the Senate. 

 Hon. Thomas B. Keed, 



Speaker of the House of Representatives. 



