ORDER ANSERES. 115 



133. Anas obscura GMEL. 



Black Duck. 



Anas obscura GMEL. S. N. I. 1788, 541. 



[B 577, C 489^ R 602, C 708.] 



HAB. Eastern North America, west to Utah and Texas, north to 

 Labrador, breeding southward to the Northern United States. 



134. Anas fulvigula RIDGW. 



Florida Duck. 



Anas obscura \nr.fulvtgula RIDGW. Am. Nat. VIII. Feb. 1874, in. 

 Anas fulvigula RIDGW. Pr. U. S. Nat. Mus. III. Aug. 24, 1880, 203. 



[B , C 489 a, R 603, C 709.] 

 HAB. Florida; Kansas. 



SUBGENUS CHAULELASMUS BONAPARTE. 



Chaulelasmus BONAP. Comp. List, 1838, 56. Type, Anas strepera 

 LINN. 



135. Anas strepera LINN. 



Gadwall. 



Anas strepera LINN. S. N. ed. 10, I. 1758, 125. 

 [B 584, C 491, R 604, C 711.] 



HAB. Nearly cosmopolitan. In North America breeds chiefly 

 within the United States. 



SUBGENUS MARECA STEPHENS. 



Mareca STEPHENS, Gen. Zool. XII. pt. ii. 1824, 130. Type, Anas 

 penelope LINN. 



136. Anas penelope LINN. 



Widgeon. 



Anas penelope LINN. S. N. ed. 10, I. 1758, 126. 

 [B 586, C 492, R 606, C 712.] 



HAB. Northern parts of the Old World. In North America breeds 

 in the Aleutian Islands, and occurs occasionally in the Eastern United 

 States. 



