APPENDIX I. 409 



B. Crown not rufous or chestnut. 



a. Length 6-75 ; crown, blackish with a central whitish stripe ; throat 

 white; breast gray; a yellow spot before the eye; haunts in and 

 about thickets and bushy woodlands ; song, a high, clear, musical 

 whistle ; call-note, c/mi^ . . . . 558. White-throated Sparrow. 



b. Length 5-50 ; crown finely streaked ; a tree climber, winding patiently 

 up tree trunks in search of food ; tail-feathers pointed. 



726. Brown Creeper. 



c. Length 5-50; bill slender; a white line over the eye; tail carried 

 erect; haunts reedy marshes; call-note scolding; song rippling. 



725. Long-billed Marsh Wren. 

 IL Under parts white or whitish, streaked or spotted. 



1. Back streaked. 



A. Crown streaked ; under parts conspicuously streaked. 



a. Outer tail-feathers white, showing conspicuously when the bird flies ; 

 length 6-00 ; haunts dry fields and roadsides ; song loud and musical. 



540. Vesper Sparrow. 



h. Outer tail-feathers not white. 



fti. Length 6*00; plumage with a rufous-brown cast; spots on the 



breast tending to form one large spot in its center ; haunts on or 



near the ground, generally in the vicinity of bushes ; call-note, a 



characteristic c7ia / song musical 581. Song Sparrow. 



h"^. Length 6-00 ; no rufous in the plumage ; spots on the under parts 

 evenly distributed ; frequently seen feeding on buds or blossoms ; 

 call-note, a sharp chink., often uttered during flight; song, a sweet, 

 flowing warble 517. Purple Finch (Im.). 



B. Crown not streaked, rufous-brown ; under parts whitish with an in- 

 distinct blackish spot in the center of the breast; Oct. to Apl. 



559. Tree Sparrow. 



2, Back not streaked. 



A. Upper parts rufous, olive- brown, or cinnamon-brown. 



a. Bill slender and thrushlike ; breast spotted with blackish. 



ai. Length 11-00; tail 5-00; wing-bars white ; upper parts, wings, and 

 tail uniform rufous ; haunts undergrowth ; sings from an exposed 

 and generally elevated position ; song loud, striking, and continuous. 



705. Brown Thrasher. 

 b^. Length under 9-00 ; tail under 3-00 ; no wing-bars. 

 52. Breast and sides heavily marked with large, round., black spots ; 

 head and upper back brighter than lower back and tail ; call-note, 



a sharp 7;^^ or liquid ^?///'^ 755. Wood Thrush. 



b^. Breast with wedge-shaped black spots; sides unspotted., washed 

 with brownish ashy ; tail rufous, brighter than back ; call-note, a 



Xovf chuck 759&. Hermit Thrush. 



K Upper breast lightly spotted with small, wedge-shaped, black- 

 ish spots; tail the same color as the back; sides white\ call- 

 note, a clearly whistled whem .... 756. Wilson's Thrush. 



b. Bill short and stout; breast and sides heavily spotted with 

 rufous ; length 7"0U ; haunts on or near the ground, generally in 



