500. 
GEN. 260-268 OF KEY. , 97 
FULIGULA MARILA (L.) STEPH. 
Greater Biachkhead. 
501? FULIGULA AFFINIS Eyton. 
502. 
503. 
504. 
506. 
507. 
508. 
509. 
510. 
511. 
512. 
Besser Biachhead. 
FULIGULA COLLARIS (Donovan) Bp. 
Ring-necked Duck. 
FULIGULA FERINA (2.) Sw., 
var. AMERICANA (Hyton) Coues. 
Bedhead; Pochard. 
FULIGULA VALLISNERIA (Wits.) STEpu. 
Canvas-back. 
. BUCEPHALA CLANGULA (L.) Gr. 
Golden-eyed Duckh. 
BUCEPHALA ISLANDICA (Gm.) Bp. 
Barrow’s Golden-eye. 
BUCEPHALA ALBEOLA (1.) Bp. 
Bufie-headed Duck. 
HARELDA GLACIALIS (L.) Lracu. 
Long-tailed Duck. 
CAMPTOLAMUS LABRADORIUS (Gm.) Gr. 
Labrador Duck. 
HISTRIONICUS TORQUATUS (L.) Br. 
Hiarlequin Puck. 
SOMATERIA STELLERI (Patt.) Jarpine. 
Steller’s Duch. 
SOMATERIA FISCHERI (Branpr) Cougs. 
Spectacied Eider. 
. SOMATERIA MOLLISSIMA (L.) Luacn. 
Hider Buck. 
CHECK LIST BIRDS. 7 
