14 CHECK LIST OF THE 



Adult specimens of this duck in full plumage have several times 

 been taken on our lakes in the late autumn and early spring. 



Genus OIDEMIA. 



Subgenus OIDEMIA. 



54. Black Scoter— (American Scoter.) 



(Oidemia americana.) 



A regular winter resident on the great lakes, sometimes moving 

 southward for a short time if the weather is very severe. 



Subgenus MELANITTA. 



55. White-winged Scoter. 



(Oidemia deglandi.) 



A common winter resident, frequenting the great lakes. 



Subgenus PELIONETTA. 



56. Surf Scoter. 



(Oidemia perspicillata.) , , 



A regular visitor to our lakes in spring and autumn, probably 

 remaining through the winter, though I have never observed it here 

 in the coldest part of the season. 



Genus ERISMATURA. 



57. Ruddy Duck. 



(Erismatura jamaicensis.) 



Common in spring and autumn. Breeds from our southern bound- 

 ary northward. 



Subfamily ANSERINE. 



Genus CHEN. 



68. Greater Snow Goose. 



(Chen hyperborea nivalis,) 



A rare visitor to the Western part of this Province. 

 Genus ANSER. 



59. White fronted Goose. 



(Anser albifrons gambeli.) 



Ot' very rare occurrence. 



