REPORT 



OF 



S. p. LANGLEY, 



SECRETARY OF THE SMITHSONIAN INSTITUTION, 



FOR THE 



YEAR ENDING JUNE 30, 1904. 



To the Board of Regent f< of the SiiiitJisonian hi.stltation. 



Gentlemen: I have the honor to present herewith my report, show- 

 ing the operations of the Institution during the year ending pJune HO, 

 l!)04, including the work phiced under its direction by Congress in the 

 Tnited States National Museum, the Bureau of American Ethnology, 

 the International Exchanges, the National Zoological Park, and the 

 Astroph3'sical Observatory. 



Following the precedent of several years, there is given, in the body 

 of this report, a general account of the affairs of the Institution and 

 its bureaus, while the Appendix presents more detailed statements })y 

 the persons in direct charge of the different l)ranches of the work. 

 Independently of this, the operations of the National Museum are 

 fully treated in a separate volume of the Smithsonian Report, and the 

 Report of the Bureau of American Ethnology constitutes a volume 

 prepared under the supervision of the Chief of that Bureau. The 

 scientific work of the Astrophysical 0})servatory is recorded in occa- 

 sional publications. 



THE SMITHSONIAN INSTPrUTION. 



THE ESTABLISHMENT. 



By act of Congress approved August 10, 1846, the Smithsonian 

 Institution was created an Establishment. Its statutory members are 

 the President, the Vice-President, the Chief Justice of the United 

 States, and the heads of the Executive Departments. The preroga- 

 tiv(j of the Establishment is "the super.vision of the att'airs of the 

 Institution and the advice and the instruction of the Board of Regents." 

 »M 1904 1 1 



