REPORT OF 8. P. LANGLEY, 
SECRETARY OF THE SMITHSONIAN INSTITUTION, 
FOR THE YEAR ENDING JUNE 30, 1891. 
To the Board of Regents of the Smithsonian Institution: 
GENTLEMEN: I have the honor to submit herewith my report for the 
year ending June 30, 1891, of the operations of the Smithsonian Insti- 
tution, including the work placed by Congress under its charge in the 
National Museum, the Bureau of Ethnology, the International Ex- 
changes, the National Zodlogical Park, and the Astro-physical Observ- 
atory. 
[ have spoken personally and briefly of matters of chief importance 
concerning these various Bureaus, and have then added, for the sake of 
completeness, detailed reports from the Bureau of Ethnology, the In- 
ternational Exchange Bureau, the Library, the National Zodlogical Park, 
and the Editor in charge of Publications, which are contained in the 
Appendix. The work of the National Museum is reported on at length 
in a separate volume by the Assistant Secretary in charge. 
THE SMITHSONIAN INSTITUTION. 
THE ESTABLISHMENT. 
I have to record a change in the establishment during the year, in 
the death of the Hon. William Windom, Secretary of the Treasury, 
on 29th January, 1891, and the appointment of his successor to the 
Secretaryship, the Hon. Charles Foster. 
THE BOARD OF REGENTS. 
In accordance with a resolution of the Board of Regents fixing the 
time of the stated annual meeting of the Board on the 4th Wednesday 
of January in each year, the Board met on January 28, 1891, at 10 
o'clock a. m. 
The Hon. Charles Devens, of Massachusetts, whose appointment as a 
member of the Board by joint resolution of Congress on May 22, 1890, 
was noted in the report for last year, formally declined the appointment 
on account of a provision in the constitution of the State of Massachu- 
H. Mis. 334, pt. 1——1 
