32 
306. VERDIN.  Auriparus flaviceps. 
Infrequent residents of mesquit thickets on the eastern slope 
of the mountains. 
Family CHAMAIDA. Wren-tits. 
Probably the smallest family of birds, as it. contains but one spe- 
cies, including several subspecies. The distribution is the seacoast 
and western slope of the mountains from northern Lower California 
to southern Oregon, a strip of country about 800 miles long by 10 
to 100 wide. 
807. PALLID WREN-TIT. Chamea fasciata henshawi. 
Common residents of chemisal and other brush thickets. Shy 
and difficult to see. The food is seeds and insects. 
Family SYLVIIDA‘. Warblers, Kinglets, Gnatcatchers, ete. 
A large heterogenous family most numerous in Europe and 
Asia. The birds are all small, those members of the family found 
here being scarcely larger than hummingbirds. The food is in- 
sects. 
308. WESTERN RUBY-CROWNED KINGLET. Regulus 
calendula cineraceus. 
Rather common winter residents of forests and groves. Rare 
summer residents of the highest mountains. The song is loud 
for so small a bird. 
309. WESTERN GNATCATCHER.  Polioptila caerulea 
obscurus. 
Common summer residents of brush and forests in the foothills 
and mountains and common in winter in the lower country. The 
food is insects, mostly small species. 
310. BLACK-TAILED GNATCATCHER. Polioptila 
californica. 
Rather common local residents of brush from the seacoast to 
the foothills. Rare winter residents. 
311. PLUMBEOUS GNATCATCHER.  Polioptila plumbea, 
Infrequent winter residents of the eastern slope of the moun- 
tains. 
Family TURDIDA%. Thrushes, ete. 
A large cosmopolitan family of rather small birds. The 
species living in summer in cool climates migrate, usually in loose 
flocks. The food is varied and includes insects, seeds and fruit. 
Many species are good singers. 
312. TOWNSEND SOLITAIRE. Myadestes townsendi. 
Infrequent migrants and rare winter residents. 
318. RUSSET-BACKED THRUSH. Hylocichla ustulata. 
Rather common summer residents of brush along streams and 
in wet places in the foothills. 
314. ALASKA HERMIT THRUSH. Hylocichla guttata. 
Common winter residents in brush from the seacoast to the 
foothills. 
