REPORT ON THE OPERATIONS OF EXCHANGES. 



Ill 



Among the packages enumerated in the above were 3,030 addressed 

 to tbe Smithsonian Institution, and these contained 1,5G7 volumes, 10,393 

 parts and pamphlets, and 143 maps and engravings. Assuming the 

 same ratio for the remaining parcels, it will be seen that about 40,000 

 books, pamphlets, &c., have been distributed within the United States 

 during the past year. 



The history and condition of domestic exchanges, from their com- 

 mencement to the present time, are exhibited in the following table : 



Year. 



1846-1850... 



1851 



1852 



1853 



1854 



1855 



1856 



1857 



1858 



1859 



1860 



1861 



1862 



1863 



1864 



1865 



1866 



1867 



1868 



1869 



1870 



1871 



1872 



1873 



1874 



1875 



1876 



1377 



1878 



1879 



1880 



1881 



1882 



1883 



1884 



Total 



Received for the Smithsonian library. 



Volumes. 



470 

 549 

 481 

 440 

 926 

 037 

 356 

 555 

 723 

 022 

 271 

 821 

 611 

 910 

 823 

 767 

 243 

 557 

 770 

 234 

 113 

 936 

 262 

 889 

 863 

 120 

 017 

 889 

 263 

 949 

 143 

 867 

 296 

 754 

 567 



41,494 



Parts 

 and pam- 

 phlets. 



624 

 618 

 2,106 

 991 

 1,468 

 1,707 

 1,834 

 1,067 

 1, 695 

 2,540 

 4,180 

 1,945 

 3, 369 

 3,479 

 2, 754 

 3,2.56 

 4,509 

 3, 946 

 3, 605 

 4,089 

 3,890 

 3, 579 

 4,502 

 4,354 

 4, 521 

 5, 813 

 6, 193 

 6,511 

 7, 392 

 8,071 

 7, 275 

 9,904 

 10,341 

 10,702 

 11,149 



Maps 

 and en- 

 gravings. 



Total. 



098 

 167 



153, 979 



7,481 



202, 954 



For institutions and 

 individuals in the 

 United States and 

 British America. 



Addresses. Packages. 



637 

 1,052 

 987 

 445 

 245 

 273 

 539 

 933 

 908 

 406 

 111 

 522 

 482 

 368 

 703 

 971 

 394 

 130 

 705 

 952 

 635 

 782 

 326 

 661 

 653 

 962 

 292 

 971 



433 

 359 

 000 

 236 



15, 897 



124, 360 



