82 



83. Darker; with broad black centers to the feathers, the hind neck 

 distinctly streaked, the throat and cheeks buffy; smaller, wing av- 

 eraging under 2J inches Grasshopper Sparrow. 



83. Paler; with brown predominating on upper parts rather than black, 

 the hind neck scarcely streaked, merely speckled, the throat and 



cheeks whitish ; larger, wing averaging over 2| inches 



Western Grasshopper Sparrow. 



84. Outer tail feathers mostly white, bend of wing chestnut (85) 



84. Outer tail feather with little or no white, and bend of wing 



not chestnut (86) 



85. Darker, with broader and blacker streaking; smaller, wing aver- 

 aging under 3J, tail under 2 J inches long Vesper Sparrow. 



85. Paler and grayer, the streaking much sharper and narrower, less 

 intensely black ; larger, wing averaging over 3^, tail over 2\ inches 



long Western Vesper Sparrow. 



86. Under wing-coverts lemon yellow . Black-headed Grosbeak,female. 



86. Under wing-coverts orange yellow 



Rose-breasted Grosbeak, female. 



87. Wings and tail with much rusty red (88) — without rusty red (89) 



88. Cole* of back gray, well streaked with chestnut, with rusty red 



upper tail-coverts and tail Fox Sparrow. 



88. Color of back and rump plain unstreaked gray in strong 



contrast with rusty red upper tail-coverts and tail 



Slate-colored Sparrow. 



89. Bend of wing with large white patch — Lark Bunting, female — : 



without white patch. . .* (90) 



90. Hind claw longer than its digit; tertials shorter than pri- 

 maries; head suffused with yellow, two black stripes on 



crown and conspicuous maxillary and rictal stripes 



Baird Sparrow. 



90. Hind claw about as long as digit; tertials about as long as 



primaries (91) 



91. Darker and browner; streaking broader, superciliary stripe yel- 

 low; smaller, wing averaging under 2| inches, bill stouter, over 



\ inch deep at base Savanna Sparrow. 



91. Paler and grayer; streaking narrower, superciliary stripe less 

 yellow, often wholly white; larger, wing averaging over 2 J 



inches, bill more slender, under \ inch deep at base 



, Western Savanna Sparrow. 



514. Hesperiphona vespertina (Cooper) — Evening Grosbeak. 



An irregular and rather rare fall and winter visitant over the state. 

 Has been found from October to March. Recorded from West Point, 

 Lincoln, Omaha, Cedar Bluffs, Long Pine, and Curtis— all based on 

 specimens taken. It is quite probable that the western subspecies, 

 H. v. montana Ridgway, may occasionally make its way in winter 

 to the western part of our state, since it is resident in Colorado and 



