PLATE XXVIII.—SNOWFLAKE. SNOW BUNTING. 
Piectrophenax nivalis. 
In full plumage the middle of the back, the two innermost. tail- 
feathers and the ends of some of the wing-feathers black ; all else white. 
In its Winter plumage, as it is seen here, the white, particularly on 
the head, is tinged with reddish-brown, and a brown collar almost 
completely—encircles the neck. Bill light; legs dark. Length, 6.90 
inches. 
Migratory. A Winter visitor, and seen here always in flocks. Breeds in the arctic 
regions. 
FIELD SPARROW. 
Spizella pusilla. 
Crown chestnut ; back streaked with dull red, black and dull white : 
cheeks, throat and breast pale brown; belly white; a light line over 
the eye; wings and tail brown, many of the feathers pale-edged—the 
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