BULLETIN 



OF 



THE AMERICAN MUSEUM 

 OF NATURAL HISTORY 



VOLUME XXXVI, 1917 



Editor, J. A. ALLEN 



THE DISTRIBUTION OF BIRD-LIFE IN COLOMBIA; A CONTBIW- 

 TION TO A BIOLOGICAL SURVEY OF SOUTH AMERICA 



BY 



Frank M. Chapman 



NEW YORK 



PUBLISHED BY ORDER OK THE TRUSTEES 



1917 



FOR SALE AT THE MUSEUM 



