33 
315. MONTEREY HERMIT THRUSH. Hylocichla 
guttata slevini. 
Infrequent winter residents in brush in the coast region. Rare 
migrants in the mountains. 
316. SIERRA HERMIT THRUSH. Hylocichla guttata 
sequoiensis. 
Rare winter residents in the mountains and infrequent mi- 
grants. 
317. WESTERN ROBIN. Planesticus migratorius 
propinquus. 
Irregular late winter visitants, sometimes abundant, but more 
often fail to get this far south. 
318. NORTHERN VARIED THRUSH. Ixereus nevius 
meruloides. 
Occasional winter visitants, sometimes in numbers, to the 
coast region. 
319. WESTERN BLUEBIRD. Sialia mexicanus occidentalis. 
Common winter residents. A few breed in the mountains. 
320. MOUNTAIN BLUEBIRD. Sialia curracoides. 
Rather common winter residents on the mesas from the coast 
to the foothills. 
NATURAL HISTORY MUSEUM, 
SAN DIEGO, CALIFORNIA, 
DECEMBER 10, 1918. 
