Appendix. 



f\ General tinge of yellowish on the 

 grayish or olive-greenish plumage. 

 Size small. 



a". Bill very fine; size very small. 

 Female Ruby-crowmed Kinglet. 



b" , Bill slightly stouter and size 

 larger. 



Hutton's Vireo . 156 



c". Bill fine; greenish olive below. 

 a'". Tail plain grayish brown. 



Female Lutescent Warbler 160 

 b'" , Tail yellow on inner webs. 



Female Yellow Warbler 161 



d". Bill flattened and broad. 



Western Flycatcher . 78 



/'. Bill stout; sparrow form. 



Female Green-backed Gold- 

 finch . . . 112 



2. Birds with conspicuous markings or 

 patches of reddish brown or orange brown. 



a. Back chestnut; throat sooty black; 

 sides of head white; size small. 



Californian Chickadee 190 



b. Breast reddish or orange brown, the 

 color extending over nearly the entire 

 under parts. 



a\ Breast orange brown, with a black 

 crescent ; conspicuous wing bars of 

 orange brown. 



Varied Thrush . 202 



b'. Breast reddish brown, with no 

 crescent. 



249 



