. Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley . th a few pen lines and rusty stains. The Macgillivray warbler is one of the commonest of western war-blers, frequenting chaparral and underbrush especially near water,from the lower levels to the high mountains, and the appearance ofa little gray head peering out shyly from the bushes becomes a pleas-antly familiar mountain sight. 681a. Geothlypis trichas occidentalis Brewst. WESTERN Adult and sides of head black, bordered above
. Handbook of birds of the western United States, including the great plains, great basin, Pacific slope, and lower Rio Grande Valley . th a few pen lines and rusty stains. The Macgillivray warbler is one of the commonest of western war-blers, frequenting chaparral and underbrush especially near water,from the lower levels to the high mountains, and the appearance ofa little gray head peering out shyly from the bushes becomes a pleas-antly familiar mountain sight. 681a. Geothlypis trichas occidentalis Brewst. WESTERN Adult and sides of head black, bordered above withwhite, sometimes tinged with yellow; rest of upper parts plain olivegreen ; under parts deep yellow. In win-ter, washed with brown. Adult female :without black, ashy, or white ; upper partsolive brown, often tinged with reddishbrown on crown, greenish on tail; underparts pale yellowish or yellowish male in Jirst winter: like adult, butblack mask less distinct. Male: length(skins) wing tail , bill . Female : length (skins), wing , tail ,bill . 536- 1 Geothlypis trichas scirpicola Grinnell. TULE YELLOW-THROAT. Like occidentalis, but brighter colored and larger, with longer tail. Distribution.—Resident in fresh water tule beds along coast of southern California.(The Condor, iii. 65.) (rcothlypis trichas sinuosa Grinnell. SALT MARSH YELLOW-THROAT. Like occilrntrtlis, but smaller, and back and sides darker. Distribution. — Resident about salt marshes of San Francisco Bay and vicinity. (TheCondor, iii. (J5.) 426 WOOD WARBLERS Distribution. — Breeds from British Columbia to Arizona, and from theMississippi Valley to the Sierra Nevada and Cascades ; migrates to CentralAmerica. Nest. — On or near the ground, supported by weed or sedge stalks,deeply cup shaped, usually with a thick foundation of grass or leaves, some-times lined with hair. Egys : often 4, white, finely speckled on larger end
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