FAMILY ANATIDA. — DUCKS, GEESE, AND SWANS. 61 
ORDER ANSERES. 
Lamellirostral Swimmers. 
FAMILY ANATID-E. 
Ducks, Geese, and Swans. 
SUBFAMILY MERGIN. 
Mergansers. 
Fish-eating Ducks having narrow bills with tooth-like serrations on 
edges, and the tarsus, scutellate in front. 
*Group 1. Wing, from 6.50 to 8.50 inches long. 
Section 1. Bill, narrow, with tooth=like serrations. 
Lophodytes cucullatus (male). 
Lophodytes cucullatus. 
Head, brownish or grayish; tarsus, less than 1.50; crest, smill (female and immature). 
Lophodytes cucullatus. Hooded Merganser. 
See No. 88. 
Head, with black and white crest; tarsus, less than 1.50 (male). 
Lophodytes cucullatus. Hooded [Merganser. 
See No. 88. 
* For directions for measurement, see page 9. 
