oF? 
ADA 
1684 SUPPLEMENT 
s BAD TO THE 
Code of Momenclature and Check-List 
OF 
NORTH AMERICAN BIRDS’ 
Adopted by the American Ornithologists’ Union 
PREPARED BY 
A COMMITTEE OF THE UNION 
_,, 
NEW YORK 
AMERICAN ORNITHOLOGISTS’ UNION 
1889 
