THE BIRDS 
or 
NORTH AMERICA 
THE DESCRIPTIONS OF SPECIES BASED CHIEFLY ON THE COLLECTIONS 
IN THE 
MUSEUM OF THE SMITHSONIAN INSTITUTION. 
BY 
SPENCER F. B A I R D; 
ASSISTANT SECRETARY OF THE SMITHSONIAN INSTITUTION, 
WITH THE CO-OPERATION OF 
JOHN CAS SIN, 
OF THE ACADEMY OK NATURAL SCIENCES OF PHILADELPHIA, 
AND 
GEORGE N. LAWRENCE, 
OF THE LYCEUM OF NATURAL HISTORY OF NEW YORK 
mill} an $tlu of One pnouij 'plates. 
TEXT. 
PHILADELPHIA: 
J. B. LIPPINCOTT & CO. 
1 8 G 0. 
