SMITIISOTSTIAlSr iisrsTiTUTioisr. 



UNITED STATES NATIONAL MUSEUM. 



BULLETIN 



OF THE 



UNITED STATES NATIONAL MUSEUM, 



No. 50. 



THE BIRDS 



or 



NORTH AND MIDDLE AMERIOA. 



BY 

 CURATOR, DIVISION OP BIRDS. 



Part V. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1911. 



