ORDER ANSERES. 59 



165. Oidemia deglandi Bonap. 



White-Tvlnged Scoter. 



Oidemia deglandi Bonap. Rev. Crit. de I'Orn. Europ. de Dr. 

 Degl., 1850, 108. 



[B 601, C 517, R 632, C 738.] 



Geog. Dist. — Northern North America, breeding in Labrador and 

 the Fur Countries ; south in winter to Chesapeake Bay, Southern 

 Illinois, and San Quentin Bay, Lower California. 



Subgenus FELIONETTA Kaup. 



Pelionetta Kaup, Sk. Ent. Eur. Thierw. 1829, 107. Type, Anas 

 perspicillata Linn. 



166. Oidemia perspicillata (Linn.). 



Surf Scoter. 



Anas perspicillata Linn. S. N. ed. 10, I. 1758, 125. 



Oidemia perspicillata Stephens, Gen. Zool. XII. pt. ii. 1824, 219. 



[B 602, 603, C 518, 5180:, R 633, C 739, 740.] 



Geog. Dist. — Coasts and larger inland waters of northern North 

 America ; in winter south to Florida, the Ohio River, and San Quentin 

 Bay, Lower California. Accidental in Europe. 



Genus ERISMATURA Bonaparte. 



Erismatura'BoviAV. Saggio Distr. Meth. 1832, 143. Ty^e,Anas 

 rubidus WiLS. 



167. Erismatura rubida (Wils.). 

 Ruddy Duck. 



Anas rubidus Wilson, Am. Orn. VIII. 1814, 128. 

 Erismatura rubida Bonap. Comp. List, 1838, 59. 



[B 609, C 519, R 634, C 741.J 



Geog. Dist. — North America in general, south to the West Indies 

 and through Central America to Colombia ; breeds throughout much 

 of its North American range and south to Guatemala. 



