316 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Upper plumage, ashy gray ; basal portion of primaries, white, forming a 

 white wing patch ; uuderparts, ashy white, without streaks. 



Mocking-bird. 



Mimus polyglottos. 

 See No. 533. 



Entire upper plumage, rufous brown ; 



uuderparts, buffy white, streaked with 

 dark brown; wing coverts, tipped with 

 white: tail, more than four inches 

 long. 



Brown Thrush. 



Brown Thrasher. 



Harporhynchus rufov*. 

 See No. 535. 



Brown Thrush- 



FAMILY CERTHIID^E. 



Creepers. 



Bill, slender and decurved ; tail feathers, stiff and pointed ; nostrils, 

 exposed ; tarsus, scutellate ; first primary, very short. But one species 

 occurs in Eastern North America a small bird; wing, less than three 

 inches; length, less than six inches. 



Tail feathers, stiff and pointed ; bill, curved ; upper parts, streaked ; uuder- 

 parts, white ; rump, dull rufous browu. Brown Creeper. 



Certhia familiaris aiiu-ricana. 

 See No. 54G. 



