Appendix. 



165. Townsend's Warbler; Dendroica towjisendi 

 (Nutt.). 



Head black; back olive-green, spotted or streaked 

 with black; breast bright yellow; belly white, 

 the sides streaked with black. There is a 

 yellow mask on the face surrounding a patch 01 

 black, and a black patch on the chin and throat. 

 The female is similar, but the colors are duller 

 and the patterns more broken, the black being 

 frequently wanting. Two outer tail-feathers 

 largely white on inner web, even in obscure 

 plumage, and a conspicuous yellow streak always 

 present above eye. Generally a rare migrant in 

 the woodlands; nesting north of California. 



166. Hermit Warbler; Western Warbler; Den- 

 droica Occident alls (Towns.). 



Head bright yellow; neck yellow, spotted with 

 black. Above gray, streaked with black; below 

 white, grayish on sides. A conspicuous trian- 

 gular spot on throat. Female with sides of face 

 yellow, the under parts largely white. Inner 

 webs of two outer tail-feathers always white, 

 and two white wing bars. A rare migrant 

 through the valleys; breeding, but rare, in the 

 high Sierras. 



167. MacgilHvray's Warbler; Geothlypis tolmiei 

 (Towns.). 



Head dark gray; back olive-green; throat and 

 upper part of breast dark gray; lower parts 

 bright yellow. A dusky or blackish spot be- 

 tween bill and eye; eyelids white. Female 

 olive-brownish and olive-greenish above, the 

 throat and upper breast pale buff; belly yellow. 



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