SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



Bulletin 174 



LIFE HISTORIES OF 

 NORTH AMERICAN WOODPECKERS 



ORDER PICIFORMES 



BY 



ARTHUR CLEVELAND BENT 



Taunton, Massachusetts 





i3/ 



UNITED STATES 



GOVERNMENT PRINTING OFFICE 



WASHINGTON: 1939 



For sale by the Superintendent of Documents, Washington, D. C. ---------- Price SO . 



