LETTER OF TRANSMITTAL 



Smithsonian Institution, 

 Bureau of Aimerican Ethnology, 



Washington, D. C, June 1, 1906. 

 Sir: I have the honor to submit herewith the Twenty- 

 sixth Annual Report of the Bureau of American Ethnology. 

 The preliminary portion comprises an account of the oper- 

 ations of the Bureau during the fiscal year ending June 30, 

 1905, and this is followed by two memoirs, The Pima Indians, 

 by Frank Russell, and Social Condition, Beliefs, and Lin- 

 guistic Relationship of the Tlingit Indians, by John R. 

 Swanton. 



Permit me to express my appreciation of your aid in the 

 work under my charge. 



Very respectfully, yours, 



W. H. Holmes, Chief. 

 Mr Richard Rathbun, 



Acting Secretary of the Smithsonian Institution. 



