ANNUAL REPORT OF THE SMITHSONIAN INSTITUTION FOR 



THE YEAR 1881. 



SUBJECTS 



1. Proceedings of the Board of Eegents for the session of January, 

 1882. 



2. Annual report of the Secretary, giving an account of the oi)erations 

 and condition of the Institution for the year 1881, with the statistics of 

 collections, exchanges, &c. 



3. Eeport of the Executive Committee, exhibiting the financial affairs 

 of the Institution, including a statement of the Smithson fund, the re- 

 ceipts and expenditures for the year 1881, and the estimates for 1882. 



4. General appendix, comprising a record of recent progress in the 

 principal departments of science, and special memoirs, original and 

 selected, of interest to collaborators and correspondents of the Institu - 

 tion, teachers, and others engaged in the j)romotiou of knowledge. 



