Artificial Key 33 



Birds not in the habit of carrying the tail cocked.' Not 

 very small. Go to 134. 



134. Bird swallow-like. Purple Martin, Female. (p. 



93.) 



Bird with legs bare above the first joint, and fitted for 

 wading. Solitary Sandpiper, Either Sex. (p. 



_iS3-) 



Bird not like either of the above. Go to 35. 



135. Wing with white bars. Pine Warbler, Female, (p. 



73-) 

 Wing without white markings. Go to 136. 



136. Bill with upper and lower mandibles crossing like the 



blades of a pair of scissors. Birds seen in southern 

 New England only in winter. American Cross- 

 bill, Female, (p. 119.) 



Bill of the ordinary pattern. Birds seen in New England 

 only in the warmer months. Go to 137. 



137. Bird distinctly larger than a sparrow. Cowbird, Fe- 



male, (p. 128.) 



Bird considerably smaller than a sparrow. Indigo 

 Bunting, Female, (p. 97.) 



Bird much of the size and general coloration of a spar- 

 row. Go to 138. 



138. Throat with white spot sharply marked off from general 



gray of breast. White-throated Sparrow, Either 

 Sex. (p. in.) 



Throat without such a white spot. Swamp Sparrow, 

 Either Sex. (p. 102.) 



139. Back not mottled. Go to 140. 



