“J 
ORDER PASSERES. Zh 
GENUS PASSERELLA SwaInson. 
Passerella Swarnson, Classif. Birds, II, 1837, 288. Type, by monotypy, 
Fringilla iiaca MERREM. 
Passerélla iliaca (MERREM). 
RanGeE.— Northern and western North America, south in winter 
to the southern border of the United States. 
a. Passerelia iliaca iliaca (Merrem). Fox Sparrow. [585.] 
Fringilla iliaca MerreM, Beytr. besond. Gesch. Vogel, II, 1786, pl. x. 
(North America.) 
RaneGe.— North America. Breeds in Boreal zones from tree limit in north- 
eastern Alaska, northern Mackenzie, central Keewatin, northern Ontario 
(Moose Factory), and northern Ungava south to central Alberta, northern 
Manitoba, southern Keewatin, Magdalen Islands, and Newfoundland; win- 
ters from lower Ohio and Potomac valleys (occasionally further north) to 
central Texas and northern Florida; casual on the coast of southern Alaska 
and in California. 
b. Passerella iliaca unalaschcénsis (GMELIN). Shumagin Fox Sparrow. 
[585a.] 
Emberiza unalaschcensis GMELIN, Syst. Nat., I, ii, 1789, 875. (‘‘ Aoon- 
alashka,’”’ Alaska.) 
RancE.— Unalaska Island, Alaska Peninsula, and Shumagin Islands; win- 
ters south to northern California. 
c. Passerella iliaca megarhfncha Bairp. Thick-billed Fox Sparrow. [585b.] 
Passerella megarhynchus Barrp, Rep. Expl. & Surv. R. R. Pac., IX, 
1858, 925. (Fort Tejon, California.) 
Rance.— Mountains of California. Breeds in Transition Zone on both 
slopes of the Sierra Nevada from Mt. Shasta to Mt. Whitney; winters in 
southwestern California; casual in Marin County. 
d. Passerella iliaca schistacea Bairp. Slate-colored Fox Sparrow. [585c.] 
Passerella schistacea Barrp, Rep. Expl. & Surv. R. R. Pae., IX, 1858, 
499. (South Fork of Platte River, about 25 miles east of northeastern 
corner of Colorado, Nebraska.) 
Rance.— Rocky Mountain region of United States. Breeds in Transition 
Zone from interior of British Columbia and northwestern Montana south to 
