SYNOPSIS OF ORDERS AND FAMILIES. 
— = 
El-A-Sn 
——S ee 
Wltacs 
MALLARD. 
Family 15. DUCKS, GEESE, AND SWANS. ANATIDA. 
Bill long, narrow, and rounded with tooth-like projections along its sides. (Mergan- 
sers. Subfamily Mergine.) 
Bill broad, flattened, typically duck-like; tarsus or leg with transverse scales; hind 
toe without alobe. (River Ducks. Subfamily 4uatine. ) 
Bill and tarsus as in preceding, but hind toe with a broad lobe or flap. (Sea and Bay 
Ducks. Subfamily Fudiguline.) 
Bill proportionately narrower than inthe River or Bay Ducks; gutters on its sides 
less developed; scales on front of tarsus rounded. (Geese. Subfamily Anserine.) 
Large, usually white birds with bare eye space. (Swans. Subfamily Cygnina.) 
ORDER VI. FLAmMINGcoEs. ODONTOGLOSSA. 
(1 family, 1 species.) 
Bright red or pink and white birds, standing four feet or more in 
height; side of the bill with gutters, its end bent downward; wings 
rather short; legs long; feet webbed. 
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