REPORT OF THE SECRETARY. 103 



ASTROPHTSIGAL OBSERVATORY LIBRARY. 



The collection of reference works relating to astrophysics has been 

 in constant use. During the year 55 volumes, 18 parts of volumes, 

 and 39 pamphlets were added to this librarj\ 



NATIONAL ZOOLOGICAL PARK LIBRARY. 



This collection contains publications relating to the work of the 

 park, and while not large is a strictly working library. During the 

 past year 11 volumes and 3 pamphlets were added to the series. 



SUMMARY OF ACCESSIONS. 



The accessions during the year, with the exception of the library 

 of the Bureau of American Ethnology, may be summarized as 

 follows : 



To the Smithsonian deposit in the Library of Congress, including parts 

 to complete sets 2. 886 



To the Smithsonian office, Astrophysical Observatory, and National Zoo- 

 logical Park 1, 025 



To the United States National Museum 5. 193 



Total 9,104 



Respectfully submitted. 



Paul Brockett, 



Assistant Librarian. 

 Dr. Charles D. Walcott, 



Secretary of the Smithsonian Institution. 



