FIELD KEY. 



35 



red; song, a rambling recitative: "You see it 

 you know it do you hear me? " etc. 



RED-EYED VIREO, page 71. 



a 2 . Length 5.75 inches; a white line over the eye 

 not bordered by black; prefers the upper branches 

 of rows of elms and other shade trees; song, a rich, 

 unbroken warble with an alto undertone. 



WARBLING VIREO, page 72. 



a 3 . Length 4.00 inches; no white line over the eye; 

 eye-ring and wing-bars white; a tiny, unsuspicious 

 bird; flits about the outer branches of trees and 

 shrubs; wings twitched nervously; note, cack, 

 song, a remarkably loud, musical whistle. 



RUBY-CROWNED KINGLET, page 159. 



b. Back gray or bluish gray. 



b 1 . Length 6.50 inches; a gray, crested bird; fore- 

 head black; no white in the tail; note, a whistled 

 peto, peto, or hoarse de-de-de-de; resident from 

 New York city southward. 



TUFTED TIT, page 46. 



b 2 . Length 8.50 inches; a white band at the end of 

 the tail; a concealed orange-red crest; a bird of 

 the air, catching its insect food on the wing, and 

 occasionally sallying forth from its exposed perch 

 in pursuit of a passing Crow; note, an unmusical, 

 steely chatter. . *. KINGBIRD, page HI. 



c. Back brown. 



c l . Length 5.00 inches; a nervous, restless, excita- 

 ble bird; tail often carried erect; song sweet, 

 rapid and rippling delivered with abandon. 



HOUSE WREN, page 55. 



