392 Synopsis of the Birds 



ing to the Arctic circle : very rare during winter in the mid- 

 dle states. 



3C8. Fuligula vallisneria, Steph. Mirror gray; bill straight, 

 more than two and a half inches long, sides parallel. 



Male white, waved with black ; head tinged with black 

 anteriorly, and with the neck glossy chesnut ; a black pec- 

 toral belt. 



Female dull whitish, waved with black ; head, neck and 

 breast, brownish. 



Canvas-backed Duck, Anas valisneria, Wils. Am. Orn. viii. 

 p. 103. pi. 70. fig. 5. 



Inhabits North America, not extending to the Arctic circle: 

 common during winter in the middle states: breeds to the 

 north. Flesh exquisite, and in high repute, while feeding on 

 certain vegetables, in peculiar districts. 



339. Fuligula ferina, Steph. Mirror gray ; bill rather re- 

 curved, little more than two inches long, dilated at tip. 



Male ash, thickly waved with black lines ; head and ante- 

 rior part of the neck only, wholly chesnut ; a broad black 

 pectoral belt. 



Female wholly brown of various tints. 



Red-headed Duck, Anasferina, Wils. Am. Orn. viii. p. no. 

 pi. 70. fig. 6. 



Inhabits the north of both continents, spreading widely in 

 its hybemal migrations : common during winter in the mid- 

 dle states, and also in Italy. 



340. Fuligula maril a, Steph. Mirror white; bill very broad; 

 no crest. 



Male glossy black, scapulars waved with white. 



Female brown, near the bill whitish. 



Scaup Duck, Anas marila, Wils. Am. Orn. viii. p. 84. 

 pi. 69. fig. 3. 



Inhabits the north of both continents, whence it migrates 

 in winter to temperate climates : very common throughout 



