32 



S. Mis. 53. 



REPORT OF THE ASSISTANT SECRETARY, IN CHARGE 

 OF THE LIBRARY. 



PRESENTED JANUARY, 1853. 



To the Secretary of the Sinithsonian Institution: 



Sir : The following table exhibits the number of books and other 

 articles added to the library during the year 1852, with the sources 

 from which they have been received : 



The present extent of the various collections in the library is shown 

 by the Ibllowing table : 



From these statements it will be seen that the library has nearly 

 doubled in size during the year. Its greatest increase has been 

 by exchange. The accessions from this source are nearly five times in 

 number those of the preceding year. They may be considered but 

 the first fruits of the system of scientific and literary exchange estab- 

 lished and sustained by this Institution. They show, also, that the 



