hirds of Canada. 113 
Sub-Family COLYMBIN#.—The Looms. 
GREAT NORTHERN DIVER. 
Colymbus torquatus—The Great Northern Diver, 
or Loon. 
The Great Northern’ Diver is a resident of 
Canada. Nests, on an island, or in a meadow or 
marsh, near the borders of the interior lakes ; 
eggs, two or three in number, of a reddish-brown 
color, with an olive tint. This bird is twenty- 
eight inches in length. Head and neck, bluish- 
green; upper plumage and wing coverts, deep 
glossy black, marked with white spots. 
C. septentrionalis —The Red-throated Diver. 
This species is not so common as the Great 
Northern Diver, usually arriving here in October 
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