ORDER ANSERES. 



LAMELLIROSTRAL SWIMMERS. 



Family AN ATI D^. Ducks, Geese, and 



Swans. 



Subfamily MERGINtE. 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; bill, 

 narrow, with tooth-like serrations. 



Lophodytes cucullatus (male). Lophodytes cucullatus. 



Head, brownish or grayish ; breast and belly, white ; sides, rufous 

 brown, narrowly barred with black; tarsus, less than 1.50; crest, small 

 (female and immature ) . Lophodytes cucullatus. 



Hooded Merganser. 

 See No. 39. 



Head, with black and white crest ; lower breast and belly, white • 

 sides, grayish brown; tarsus, less than 1.50 (male). 



Lophodytes cucullatus- 

 Hooded Merganser. 

 See No. 39. 



* For directions for measurement, see page 21. 

 56 



