FIELD COLOR KEY xlvii 



1'. SIZE MEDIUM OR SMALL. 



2. Breast reddish brown or pinkish. 



3. Breast reddish brown ; top of head blackish. 



p. 17. ROBIN. 



3'. Breast and forehead pinkish, p. 31. GROUND DOVE. 



2'. Breast not reddish brown or pinkish. 



4. Tail ending in needle-like spines ; wings - 

 long, narrow, an curved. 



p. 23. CHIMNEY SWIFT. 



4'. Tail not ending in needle-like spines. 

 5. Head with high crest ; end of tail with yellow band. 



p. 141. WAX WING. 



5'. Head without high crest ; end of tail 



without yellow band. 

 6. Forehead and throat yellow ; a slen- 

 der tuft of black feathers over each 

 eye ; a black bar across front of 

 head, and black crescent on breast. 



p. 261. HORNED LARK. 



6'. Forehead and throat not yellow ; no tuft of fea- 

 thers over eyes ; no black bar across head. 

 7. Tail with white bar across end ; crown with con- 

 cealed orange patch ; under parts whitish. 



p. 83. KINGBIRD. 



7'. Tail without white bar; crown without color patch. 

 8. Tail showing reddish in flight ; throat pearl 

 gray ; belly yellow ; head moderately crested. 

 p. 255. GREAT-CRESTED FLYCATCHER. 



