NATURAL HISTORY, TORONTO REGION 
41. Redhead. Marila americana. Regular mi- 
grant, common. 
42, Canvas-back. Marila valisineria. Regular 
migrant, not uncommon. 
43. Scaup Duck. Marila marila. Regular mi- 
grant and winter resident, abundant. 
44, Lesser Scaup Duck. Marila afinis. Regular 
migrant, abundant. 
45. Ring-necked Duck. Marila collaris. Migrant, 
not common. 
46. Golden-eye. Clangula clangula americana. 
Regular migrant and winter resident, abundant. 
> 47, Barrow’s Golden-eye. Clangula islandica. Ac- 
cidental, one record. 
48. Buffle-head. Charitonetta albeola. Regular 
migrant, common. 
49, Old-squaw. Heralda hyemalis. Regular win- 
ter resident, abundant. 
50. Harlequin Duck. Histrionicus histrionicus. 
Accidental, at least four records. 
51. King Eider. Somateria spectabilis. Winter 
resident, not very common. 
fia 52. Scoter. Oidemia americana. Regular fall 
migrant, not common. 
53. White-winged Scoter. Ocdemia deglandi. Reg- 
ular migrant, common. 
54. Surf Scoter. Oidemia perspicillata. Regular 
fall migrant, not very common. 
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