212 THE BIRDS OF MONTREAL. 



with black streaks ; vent and under tail-coverts 

 white : bill yellow, tipped with black. 



248. Bluebird. 



Length about 6 inches, tail about 2} inches long. 

 Adult male : Above, blue ; below, breast and sides 

 cinnamon-rufous, belly white. Adult female: Above, 

 grayish and blue ; orbital ring whitish ; below, 

 breast and sides dull- cinnamon, throat with dusky 

 streaks. Young : Above, brownish-gray, streaked 

 with whitish ; wings and tail bluish ; below, fea- 

 thers of breast and sides bordered with brownish ; 

 orbital ring whitish. 



249. .European House Sparrow. 



Introduced species ; description not necessary. 



250. Black Guillemot. 



Length about 13 inches, bill about \\ inches 

 long. Summer adults : Colour black, with white on 

 wings j under wing-coverts white. Winter plumage : 

 White, varied with black. Young : Similar to win- 

 ter plumage, but lower parts indistinctly barred 

 with dusky. 



251. Briinmch's Murre. 



Length about 16 inches, bill about 1J inches 

 long. Above, plumage dusky ; below, white ; wings 

 with secondaries tipped with white ; top of head 



