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. 



930 



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

 wading. Solitary Sandpiper, Either Sex. (p. 



153.) 



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. 



