Smithsonian Institution, 

 Washhicfton, D. C, June 14, 187(5. 

 Dear Sir : In conformity with your suggestion, I have the honor of 

 transmitting to you herewith a numnscrijjt containing information in regard 

 to the distribution, popuLition, origin, and condition, past and present, of 

 the native races inhabiting our extreme noi'thwestern temtory, the material 

 for which has been gathered during some eight years of study, exphiration, 

 and travel in the region referred to. 



I have the honor to be, very respectfully, yours, 



WM. II. BALL. 

 Prof J. W. Powell, 



Geologist in CJiarcje, United States Geoyruphical and 



Geological Survey of the Borhj Mountain Region, 



Wasldngton, D. C. 



