JAN., 1909. BIRDS OF ILLINOIS AND WISCONSIN CORY. 193 



GROUP 2. Wing, 2.15 to 2.37 inches long. 



PART 1. The following species have the breast more or less streaked; 

 carpal joint (bend of wing), edged with yellow: 



Bill, dark ; sides of head, tawny buff 



enclosing a patch of gray behind the eye ; 



heavy tawny buff superciliary stripe. 



Passerherbulus caudacutus nelsoni. 



Nelson's Sharp-tailed Sparrow. 



See No. 253. 



Bill, pale horn color; sides of head and nape, tinged with olive 

 green. Coturniculus henslowii. 



Henslow's Sparrow. 

 See No. 251. 



PART 2. The following species have the breast more or less streaked; 

 carpal joint (bend of wing), not yellow: 



Breast, very faintly streaked; middle tail feathers, rufous brown, 

 with black stripe in middle, including the shaft; wing coverts and 

 secondaries, edged with rufous brown. Melospiza georgiana. 



Swamp Sparrow. 

 See No. 269. 



Breast, sharply streaked with 



black; shafts of tail feathers, not 



black. Melospiza lincolnii. 



Lincoln's Sparrow. 



See No. 268. 



Melospiza lincolnii. 



PART 3. The following species have the breast not streaked (in the 

 adult*); carpal joint (bend of wing), edged with yellow: 



Top of head, black with tawny stripe in center; an orange brown 

 spot over, and somewhat in front of, the eye; bend of wing, yellow. 



Coturniculus savannarum australis. 

 Grasshopper Sparrow. Yellow-winged Sparrow. 



See No. 250. 



* In several species, very young birds in first plumage have the breast streaked. 



