113 



wintering. Omaha, Peru, Lincoln, Beatrice, York, West Point,- 

 Dakota City, Neligh. 



751. *Polioptila caerulea (Linnaeus) — Blue-gray Gnatcatcher. 



Common migrant, passing in April and late in September over the 

 eastern third of the state, breeding in suitable localities along the 

 Missouri river, especially in the vicinity of Omaha, where several 

 nests have been taken. Omaha, Peru, Lincoln, Beatrice, West Point, 

 Dakota City, Neligh. 



Family TURDID.3J — Thrushes, Bluebirds, and Solitaires 



1. Color ashy, with outer tail feathers white tipped, a buff wing-band and 

 ' pale eye-ring; no blue in plumage, not spotted below 



Townsend Solitaire. 



1. Color gray, with upper tail-coverts and base of tail white, rest of tail, 



Wings, and cheeks black, throat and breast pale buff unspotted. 



Greenland Wheatear. 



1. Color above slaty, below mostly rusty brown, breast unspotted in adult, 



plumage without blue (2) 



1 . Color below white spotted with dark and no chestnut ; no blue in plumage. 



.: (4) 



1. Color mostly blue (10) 



2. A black band across breast ; throat and line behind eye rusty . . 



Varied Thrush. 



2. No black-band across breast; throat white with black spots. . . (3) 



3. Under tail feathers with distinct white tips on first two pairs; black of 

 hind neck grading into slaty gray of back, which is spotted with 

 black Robin. 



3. Under tail feathers without distinct white tips; black of hind neck 

 abruptly defined against pale slaty gray back, which lacks the black 



spots Western Robin. 



4. Rufous tail and upper tail-coverts decidedly brighter than olive- 

 brown back (5) 



4. Back and tail of practically the same color (6) 



4. Olive rump and tail decidedly duller than bright cinnamon-brown 

 back; breast and sides with many round black spots Wood Thrush. 



5. Above dull brown, more smoky in winter, flanks olive brownish ; smaller, 

 wing 3J to 3f, tail 2J to 3 inches; bill heavier Hermit Thrush. 



5. Above grayish brown, more olivaceous in winter; flanks light grayish; 



larger, wing 4 to 4J, tail about 3i inches; bill slender'er 



Audubon Hermit Thrush. 



6. Upper parts cinnamon-bTown throughout (7) — olive throughout. (8) 



7. Upper parts light tawny brown, sides of throat cream-buff with only the 

 very center immaculate, breast light tawny buff marked by narrower 

 more pencilled brownish spots, sides white slightly tinged with grayish, 

 under mandible not tipped with brown or but very slightly so . . 

 Wilson Thrush. 



7. Upper parts olivaceous tawny most tawny on the rump, throat almost 



