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SMITHSONIAN INSTITUTION 



BUREAU OF AMERICAN ETHNOLOGY 



BULLETIN 52 



EARLY MAN IN SOUTH- AMERICA 



ALES HRDLICKA 



Curator of the Division of Physical Anthropology 

 U. S. National Museum 



IN COLLABORATION WITH 



W. H. HOLMES BAILEY WILLIS 



Ucad Curator of the Department of Anthrnpology Member of the United States Geological Survey 

 U. S. Xational Museum 



AND 



FRED. EUGENE AVRIGHT and CLARENCE N. FENNER 



Petrologist Assistant Pelrologist 

 Geophysical Laboratory, Carnegie Institution of Washington 



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WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1912 



