JA\., 1909. BIRDS OP ILLINOIS 'AND WISCONSIN CORY. 



263 



Under parts, grayish; belly, 

 grayish, not speckled; outer 

 tail feathers, not broadly tipped 

 with grayish white; tail, over 1.25 

 inches long; outer webs of pri- 

 maries, showing narrow bars. 



Troglodytes aedon, and races. 

 House Wren. 

 See No. 344 and 344a. 



Winter Wren. 



Under parts, distinctly brownish, dotted and speckled with brown 

 on flanks and abdomen; tail 1.25 or less; outer tail feathers, not 

 broadly tipped and marked with grayish white; outer webs of pri- 

 maries, with narrow bars. Nannus hiemalis. 



Winter Wren. 

 See No. 345. 



PART 2. The following species have the crown or upper hack 

 showing more or less white streaks or dots : 



Rump and upper tail coverts, barred 

 with black; bill, shorter than middle toe 

 (without claw). 



Cistothorus stellar is. 

 Short-billed Marsh Wren. 

 See No. 346. 



