DEPARTMENT OF THE INTERIOR 



JOHN BARTON PAYNE. SECRETARY 



NATIONAL PARK SERVICE 



STEPHEN T. MATHER, DIRECTOR 



BIRDS 



OF THE 



PAPAGO SAGUARO 

 NATIONAL MONUMENT 



AND THE NEIGHBORING REGION 



ARIZONA 



By 



H. S. SWARTH 



Contribution from the Museum of Vertebrate Zoology 

 of the University of California 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 

 1920 



