100 



42. Brighter olive-green above, more greenish than gray; white on 

 sides of throat more restricted, occupying less than half of malar 

 area ; yellow paler ; tail under 3 inches long . . Yellow-breasted Chat. 

 42. Grayer olive-green above, usually the gray predominating ; white 

 on sides of throat much more extended, occupying more than for- 

 ward half of malar area; yellow deeper; tail over 3 inches long 



Long-tailed Chat. 



43. Base of tail, middle of wings, and sides orange (male) or dull yellow (fe- 

 male) Redstart. 



43. No orange or dull yellow on wings or tail; belly bright yellow (44) 



44. Outer tail feather largely white; head black, with forehead and 



cheeks yellow Hooded Warbler. 



44. Outer tail feather without white; throat yellow, not black (45) 

 45. Upper parts grayish; under tail-coverts white; a necklace of dusky spots 



across breast Canadian Warbler. 



45. Upper parts olive-green; under tail-coverts yellow; forehead yellow, 



male with black cap (46) 



46. Brighter; above more yellowish olive-green, below brighter yel- 

 low; wing over 2\ inches Pileolated Warbler. 



46. Duller olive-green above, duller yellow below; smaller, wing 

 under 2£ inches Wilson Warbler. 



636. *Mniotilta varia (Linnaeus) — Black and White Warbler. 



A very common migrant over at least the eastern half of state, 

 breeding in the wooded portions. Aughey records finding a nest 

 near Lincoln in May, 1875, Swenk found it breeding commonly along 

 the Niobrara from Long Pine canyon to its mouth, Wolcott and J. 

 M. Bates report it summering in Cherry county, and L. Skow found 

 it breeding at Omaha. 



637. *Protonotaria citrea (Boddaert) — Prothonotary Warbler. 



A fairly common summer resident and breeder in the heavily wooded 

 Missouri bottoms, arriving late in April,breeding in June, and departing 

 late in August and early in September. Aughey saw it a few times in 

 Richardson county during June, 1875. It breeds every year around 

 Omaha, though becoming each year less numerous, and M. A. Car- 

 riker, Jr., has found nests at Nebraska City. Has been seen once 

 in migration at Lincoln and once at West Point. 



639. Helmitheros vermivorus (Gmelin) — Worm-eating Warbler. 



Aughey found this warbler in southeastern Nebraska in June, 1875, 

 F. J. Brezee and I. S. Trostler have noted it in July and August at 

 Omaha, and Wolcott has noted it several times in the vicinity of 

 Lincoln, on the capitol grounds and in the deep woods near Roca, 

 where it was present all summer in 1903. Breeding almost certain. 



641. *Helminthophila pinus (Linnaeus) — Blue-winged Warbler. 



A rather common summer resident and breeder in the wooded Mis- 

 souri bottoms, arriving early in May and departing late in August. 



