xliv 



FIELB COLOB KEY 



5'. Under parts brown ; black line on side 



of head. Winter visitor ; nests mainly \ 

 in mountains, or north of United States. ^ 



p. 76. Ked-breasted Nuthatch. 

 4'. Top of head bluish ; not seen on tree trunks. 

 Tail black ; outer feathers white. Flits 

 about actively, catching insects. Y "^ 



p. 357. Blue-gray Gnatcatcher. 

 3'. Back gray or slate. 

 6. Crown gray like back ; black bar on 

 side of face ; sides of tail white. 

 Perches in exposed positions. 



p. 300. 

 6'. Crown black ; no black on face ; no 

 white on tail ; under parts slate ; 

 under tail patch reddish brown. Fre- 

 quents thickets. 



P- 

 ' Plumage not distinctly marked 



with black. 

 r. Outer tail feathers white ; head not 



crested. 

 8. Back and breast slate gray ; bellv 

 abruptly white. Common, familiar 

 Snowbird. 



P- 



Shrikes. 



Catbird. 



221. JuNCO. 



8'. Back lighter gray ; breast and belly 

 white ; size large. A well-known 

 bird of the southern states. 



p. 63. Mockingbird. 



7'. Outer tail feathers not white ; head with 

 high crest ; size small. Song, -pe-to, pe^to, 

 pe-to. 



p. 151. Tufted Titmouse. 



