PREFACE. IX 



the Smithsonian Institution, an appropriation must also be asked 

 every year for their preservation and exhibition. The discussions 

 thereby occasioned show how unfavorable they are to a quiet, un- 

 disturbed pursuit of the great ends of the Institution itself 



Acknowledgments are due for facilities and co-operation afforded 

 by Mr. Spofford, Librarian of Congress ; Mr. Dawson, Librarian 

 of the House of Representatives; Mr. S. A. Brown, Chief Clerk, 

 and Mr. Baker, of the Department of State ; Capt. R. A. Bay ley, 

 of the Treasury Department ; Messrs. W. B. Taylor, C. B. Young, 

 and G. H. Boehmer of the Smithsonian Institution, and especially to 

 the printers, Messrs. Judd & Detweiler, for their valuable services. 



William J. Rhees. 

 SuiTHSoxiAK Institution, 



"WASHiNaxoN, April, 1879. 



