GEN. 251-259 oF KEY. 95 
486. DENDROCYGNA FULVA (Gm.) Burn. 
Kulvous Tree Duck. 
487. DENDROCYGNA AUTUMNALIS (L.) Eyron. 
Autumnal Tree Duck. 
488. ANAS BOSCHAS L. 
Mallard. 
489. ANAS OBSCURA Gm. 
Dusky Duck. 
490. DAFILA ACUTA (L.) JENyYNs. 
Pintail; Sprigtail. 
491. CHAULELASMUS STREPERUS (L.) Gray. 
Gadwall; Gray Duck. 
[492.] MARECA PENELOPE (L.) Br. 
European Widgeon. 
493? MARECA AMERICANA (Gm.) STEPH. 
American Widgeon; Baldpate. 
[494.] QUERQUEDULA CRECCA (L.) Sreru. 
English Teal. 
495. QUERQUEDULA CAROLINEWNSIS (Gm.). 
Green-winged Teal. 
496. QUERQUEDULA DISCORS (L.) Stern. 
Bilue-winged Veal. f 
497. QUERQUEDULA CYANOPTERA (V.) Cass. 
Cinnamon Teal. 
498. SPATULA CLYPEATA (L.) Botz. 
Shoveller. 
499. AIX SPONSA (L.) Bors. 
Summer Duck; Wood Duck. 
