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 
ee ene re Aaa eee YS mace meumg ye sie, Et Long-tailed Chat. 
43. Base of tail, middle of wings, and sides orange (male) or dull yellow (fe- 
MIN AVE re coce aleve stesso Sch ah er 8 ON SANs RR og ep eT DE een 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 finer neu. sie: Guecat “lied not black (45) 
45. Upper parts Seer under tail-coverts ae a necklace of dusky spots 
ACTOSS|DTEAsb.. he. ook: ea Hee .Canadian Warbler. 
45. Upper parts anes -green ; eee eae epee Sia, forehead yellow, 
male wathvblackscap! A> clase ise en oe ae ee eee eee (46) 
46. Brighter; above more yellowish olive-green, below brighter yel- 
low; wing over 24 inches....................Pileolated Warbler. 
46. Duller olive-green above, duller yellow below; smaller, wing 
under 2! imches: << +.) S254 \oone et eee eee eee oe ee LL SOD We Le tee 
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)—PrRoTHONOTARY 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 sawit 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. 
