LETTER OF TRANSMITTAL 



Smithsonian Institution, 

 Bureau of American Ethnology, 



WasJdngton, D. C, May 2^, 1905. 

 Sra : I have the honor to submit herewith the manuscript of Bulle- 

 tin 34 of the Bureau of American Ethnology, entitled "Physiological 

 and Medical Observations among the Indians of Southwestern United 

 States and Northern Mexico," by Ales Hrdlicka, Assistant Curator in 

 charge of the Division of Physical Anthropology, United States 

 National Museum. This bulletin comprises the results of extended 

 researches and personal observations among a large number of tribes 

 occupying the arid region of the Southwest and deals with matters 

 of great importance to the aborigines and to those agencies, govern- 

 mental and otherwise, interested in promoting their welfare, as well 

 as to the science of Anthropologj' at large. 

 Respectfully, 



W. H. Holmes, Chief. 



The Secretary of the Smithsonian Institution, 



Washington, D. O. 



