310 



KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 



Group 4. Wing, 3.25 to 3.75 inches long. 



Lnderparts, white, faintly yellowish, 

 streaked, with brownish black; throat, 

 showing more or less dots or streaks ; 



110 white oil tail feathers. 



Qrinnell's Water=Thrush. 



Seiurus noveboracensis notabilix. 

 See No. 517. 



Throat, white; underparts, white, faintly tinged with tawny; breast and sides 

 of body, streaked with dark brown; throat, not streaked; no white on tail 

 feathers. Louisiana Water-Thrush. 



Seiurits motacilla. 



See No. 518. 



Uuderparts, grayish white or bufFy white, more or less streaked with dark brown ; 

 greater portion of outer tail feathers, white ; hind toe, with claw longer 

 than middle toe, with claw. Belongs in Family Motacillidre, and is very differ- 

 ent from a Warbler, but might be mistaken for one by the novice. 



American Pipit. 

 Titlark. 



Anthus pensilvanicus. 

 See No. 530. 



Throat, faintly yellow ; underparts, not streaked ; more or less black on cheeks 

 and breast; hind toe nail, straight and long. This species belongs in Family 

 AlaudidaB, but is included here as well as in its proper place for the benefit of 

 persons unfamiliar with birds, who might look for it under this section. 



Prairie Shore Lark. 

 Otocoris pratincola. 

 See No. 358. 



