Appendix. 



B. General color brownish gray, frequently 

 paler below, sometimes tinged with 

 yellowish. 



a' . Bill much flattened and broad ; birds 

 without songs; flycatchers. 

 a" . Belly cinnamon brown. 



Say's Phoebe . . 74 



b" , Throat dingy white ; sides 

 broadly but indistinctly streaked 

 olive-gray. 



Olive-sided Flycatcher . 76 



c" . Throat and belly whitish, the 

 latter with a tinge of yellow. Two 

 faint wing bars. 



Western Wood Pewee . 77 

 Small Flycatchers . 78-81 



b' . Bill sparrow form; size small. 



Female Green-backed Goldfinch 



12 



c 



Bill slender, but stouter than a 

 warbler's; size small. 



Vireos . . 154-158 



/. Bill long and slender; rump cinna- 

 mon; tail held erect, with buffy tip 

 and black subterminal bar. 



Rock Wren . . 178 



I, General color brown. 



a\ Plain brown above, white below. 

 a'\ Flight strong and sustained; tail 

 short. 



Rough-winged Swallow i A^ 7 



Bank Swallow . 148 



258 



