GEN. 260-268 or KEY. 97 



BOO. PULIGULA MARILA (L.) STEPH. 

 Greater Rlackhead. 



501? FULIGULA AFPINIS EYTON. 

 Lesser Rlackhead. 



502. PULIGULA COLLARIS (DONOVAN) BP. 



Ringr-necked Duck. 



503. PULIGULA PERINA (L.) Sw., 



var. AMERICANA (Eyton) Coues. 

 Redhead; Pochard. 



504. PULIGULA VALLISNERIA (WILS.) STEPH. 



Canvas-hack. 



605. BUCEPHALA CLANGULA (L.) GR. 

 Golden-eyed Duck. 



506. BUCEPHALA ISLANDICA (GM.) BD. 



Rarro\v's Golden-eye. 



507. BUCEPHALA ALBEOLA (L.) BD, 



Ruffle-headed Duck. 



508. HABELDA GLACIALIS (L.) LEACH. 



liongr-tailed Duck. 



509. CAMPTOLJEMUS LABKADOBIUS (GM.) GR. 



X<ahrador Duck. 



510. HISTRIONICUS TORQUATUS (L.) BP. 



Harlequin Duck. 



511. SOMATERIA STELLERI (PALL.) JARDINE. 



iiteller's Duck. 



512. SOMATERIA PISCHERI (BRANDT) COUES. 



Spectacled Kider. 



613. SOMATERIA MOLLISSIMA (L.) LEACH. 

 Itfdcr Duck. 



CHECK LIST BIRDS. 7 



