66 



tinged with olive green; above dull olivaceous, not tinged 



with brown; lower mandible pale (13) 



12. Under parts dull whitish, somewhat tinged with yellow on 



belly but never on throat (14) 



13. Under wing-coverts pale yellowish, wing-bands yellowish white; 

 coloration purer and brighter, above more greenish olive, below 

 purer yellow, the breast shaded with olive ; tail longer, gener - 



ally over 2J inches. Yellow-bellied Flycatcher. 



13. Under wing-coverts pale buffy, deeper on edge of wing; wing-bands 



buffy gray ; coloration duller and more clouded, above more gray- 



■ ish olive, below pale dull yellow faintly clouded with dull grayish 



brown on the breast ; tail shorter, generally under 2J inches .... 



Western Flycatcher. 



14. Bill moderately wide, at nostrils over £ the length (15) 



14. Bill very narrow, at nostrils less than J as wide as long (18) 



15. Above uniform olive greenish not tinged with brown; wing-bars and 

 eye-ring tawny; below white with breast grayish, and together 

 with sides, washed with sulphur yellow; lower mandible whitish 



Acadian Flycatcher. 



15. Above olivaceous tinged with brown; wing-bars and eye-ring buffy 

 whitish; below white, breast grayish, and, together with sides, 



very slightly yellowish; lower mandible darker (16) 



16. Smaller, wing 2| or Less long; tail slightly forked; upper 

 parts more grayish, rather ashy; wing-bars broader, dull 

 white; eye-ring grayish white; under mandible dusky.... 



Least Flycatcher. 



16. Larger, wing over 2|, up to 2f long; tail even or rounded; 

 upper parts more brownish; wing-bars narrower, tinged with 

 gray or buffy; eye-ring buffy white; under mandible paler. .(17) 

 17. Above duller, more fuscous, breast more ashy and lower parts less 

 yellowish; wing-bars duller, "less conspicuous, more grayish white; 

 bill longer and very slightly narrower, tarsus longer . Traill Flycatcher. 

 17. Above clearer, more olivaceous, lower parts more yellowish; wing- 

 bars more olivaceous white; bill and tarsi shorter. . .Alder Flycatcher. 

 18. Outer web of outer tail feather not paler than inner; more 

 . olivaceous, throat grayish, eye-ring and wing-bars soiled 



whitish, below more yellowish; lower mandible brown 



Hammond Flycatcher. 



18". Outer web of outer tail feather abruptly paler than inner, dull 

 whitish; duller and grayer, throat, eye-ring and wing-bars 

 whitish, lower parts hardly yellowish; lower mandible 

 brown at tip only Wright Flycatcher. 



443. Muscivora forficata (Gmelin) — Scissor-tailed Flycatcher. 



Accidental. The only known instance of the occurrence of this 

 bird in Nebraska is a single specimen seen south of Lincoln in the fall 

 of 1872 by Bruner. There is no doubt as to the correct identification 



