IV ADVERTISEMENT. 



the Capitol for such period as may be desired. The Library, 

 however, will still remain under the control of the Institution, 

 and every effort will be made, as in the past, to render it as 

 complete as possible within its assigned limits. 



JOSEPH HEXRY, 



Secretary S. I. 

 Smithsonian Institution, 



Washington, May, lSt3G. 



