v 



SMITHSONIAN INSTITUTION 



UNITED STATES NATIONAL MUSEUM 



Bulletin 121 



LIFE HISTORIES OF NORTH AMERICAN 



PETRELS AND PELICANS 



AND THEIR ALLIES 



ORDER TUBINARES AND ORDER STEGANOPODES 



A 6 



OM 



.^H^:uT 



BY 



ARTHUR CLEVELAND BENT 



Of Taunton, Maaachusetu 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1923 



