Appendix. 



A fairly common summer resident of both the 

 Coast Range and Sierra Nevada Mountains of 

 northern California, nesting also in the lower 

 foothills; migrating through the valleys in spring 

 and autumn. 



1 68. Western Yellow-throat; Geothlypis trichas 

 occidentalis Brewst. 



The western variety of the Maryland yellow- 

 throat. Head olive-brown; back clear olive- 

 green; breast bright yellow; a conspicuous black 

 mask on the face and forehead, enclosing 

 the eye, and bordered behind by a white or 

 grayish band, cutting across the top of the head. 

 The winter female is without either black or 

 white; above dull olive-green, below pale yel- 

 lowish buff, browner on sides, and clearer 

 yellow on throat and under tail-coverts. A 

 resident species generally distributed in suitable 

 localities. It haunts the underbrush by streams 

 and in marshy localities. 



169. Long-tailed Chat; Icteria virens longkauda 

 (Lawr.). 



The western variety of the yellow-breasted chat. 

 Large for a warbler. Length seven and a half 

 inches. Above clear olive-gray; breast bright 

 yellow; belly pure white, sharply contrasted 

 with breast. Two white lines on face, one 

 above eye, another below, and eyehds white; 

 a black spot between bill and eye. Breeding in 

 the valleys and lower mountains of California, 

 especially in the interior. Usually found about 

 streams or swamps; a loud singer and famous as 

 a ventriloquist. 



