BIRDS OF ONTARIO. 13 
The bulk arrive in Southern Ontario about the end of October 
and remain until the ice breaks up in the spring. 
48. Barrows Golden-eye. 
(Clangula islandica.) 
An occasional visitor in winter. 
Genus CHARITONETTA. 
49. Buffle-headed Duck. 
(Charitonetta albeola.) 
Common spring and autumn visitor throughout the Province, 
breeding at some points in Southern Ontario and probably doing so 
regularly in the more northern portions. 
They arrive as soon as the ice goes out in spring and remain in 
the autumn until their haunts are frozen over. 
Genus HARELDA. 
50. Long-tailed Duck. 
(Harelda hyemalis.) 
A very abundant winter resident, arriving about the beginning of 
November and departing at the end of April. 
Genus HISTRIONICUS. 
51. Harlequin Duck. 
(Histrionicus histrionicus.) 
A very rare visitor. 
GENUS SOMATERIA. 
SuBGENUS SOMATERIA. 
52. American Hider. 
(Somateria dresseri.) 
An occasional winter visitor, all the specimens of this duck that 
have been taken here are in immature plumage so far as I have been 
able to learn. 
SupGenus ERIONETTA. 
53. King Hider. 
(Somateria spectabilis.) 
Occurring more frequently than the last, but still only an occas- 
ional winter visitor. 
