Appendix. 



170. Pileolated Warbler; Wilsonia pusilla pileo- 

 lata (Pall.). 



This is the western race of Wilson's or the black- 

 capped warbler. Above olive-green, tending 

 towards a pure bright yellow on the forehead; 

 center of crown black. Below pure bright 

 yellow. The female is like the male without 

 the black cap. A beautiful species, inhabiting 

 the woodland thickets, breeding sparingly in the 

 mountains, both of the Coast Range and the 

 Sierra Nevada, but fairly common in the valleys 

 during the migration season. 



THE WAGTAIL AND PIPIT FAMILY. 



Plainly colored inhabitants of open fields and 

 meadows. Size of a large sparrow (six or 

 seven inches long). Migratory in flocks. May 

 be known by the teetering motion of the body 

 as they run about on the ground. 



171. American Pipit; Titlark; Anthus pensilvani- 

 cus (Lath.). 



Upper parts olive-brownish, indistinctly streaked 

 with dusky; below pale buffy or brownish, the 

 sides and breast streaked with dusky. Throat 

 and belly unstreaked. A pale buff line above 

 the eye. Common in winter in the valleys 0/ 

 California; breeding in the far north. 



THE DIPPER FAMILY. 



There is but one representative of this family in 

 California, the water ouzel, a bird immortalized 

 by John Muir in his ^'Mountains of California.'* 



239 



