21 



Dusky grayish-brown, paler below ; no white, 

 yellow or reddish, 



Female Cowbird. 

 Distinctly yellowish, especially beneath ; tail 

 feathers rigid and very acute. 



Female Bobolisk. 

 ggg. Birds of trees, shrubbery, feuce-rows and 

 the street ; no white on tail ; hoppers, 

 h. Crown with conspicuous median and lateral 

 stripes of pure white. 

 Throat white ; yellow on head and wing. 

 White-throated Sparrow. 

 Throat ash ; no yellow, 



White-crowned Sparrow. 

 hh. Crown without white stripes. 



i. Length 7 inches ; bright rusty-red above. 



Fox .Sparrow. 

 ii. Not bright rusty-red above. 

 j. Underneath dingy ashy- white without 

 streaks, English Sparrow. 



jj. Under parts streaked. 



k. Winter or early spring visitors ; tips of 

 mandibles crossed. 



Wings with two white bars, 

 Female White-winged Crossbill. 

 Wings, without white bars. 



Female Red Crossbill. 

 kk. Summer visitors ; tips of mandibles 

 not crossed. 



Length about 8 inches ; lining of 

 wings saffron yellow. 

 Female Eose-breasted Grosbeak. 

 Length about 6 inches ; lining of 

 wings not saffron-yellow. 



Female Purple Finch. 



