ORDER PASSERES. 253 
RaNncE.— Great Plains region. Breeds mainly in Transition Zone 
from central Alberta and southern Saskatchewan to southeastern 
Wyoming, northeastern Colorado, and southwestern Minnesota; 
winters from Colorado and Kansas south through Arizona and ‘Texas 
to northern Sonora and Durango; casual in migration to eastern 
British Columbia, Idaho, and Illinois. 
GENUS POG@CETES Barrp. 
Poecetes Barrp, Rep. Expl. & Surv. R. R. Pac., IX, 1858, xx, xxxix. 
Type, by monotypy, Fringilla graminea GMELIN. 
Poecetés gramineus (GMELIN). 
RanGE.— Temperate North America, south in winter as far as 
southern Mexico. 
a. Pocecetes gramineus gramineus (GMELIN). Vesper Sparrow. [540.] 
Fringilla graminea GMELIN, Syst. Nat., I, li, 1789, 922. (New York.) 
Rance.— Eastern North America. Breeds in lower Canadian, Transition, 
and Upper Austral zones from southwestern Keewatin, central Ontario, central 
Quebec, and Cape Breton Island south to eastern Nebraska, central Missouri, 
Kentucky, Virginia, and North Carolina, west to western Minnesota; Winters 
from the southern part of its breeding range to the Gulf coast, west to middle 
Texas; casual in Bermuda and Yucatan. 
b. Pocecetes gramineus confinis Barrp. Western Vesper Sparrow. [540a.] 
Poocetes gramineus var. confinis Batrp, Rep. Expl. & Sury. R. R. Pac., 
IX, 1858, 448. (Loup Fork of Platte River, Nebraska.) 
RancE.— Western North America. Breeds in lower Canadian, Transition, 
and Upper Sonoran zones from southeastern British Columbia, northeastern 
Alberta, and southern Saskatchewan to middle eastern California, Arizona, 
New Mexico, and Texas, and east to middle of the Great Plains; winters from 
southern California and central Texas to Lower California and southern Mex- 
ico (Vera Cruz, Puebla, and Oaxaca). 
c. Pocecetes gramineus affinis G. S. Mirter. Oregon Vesper Sparrow. 
[5406.] 
Poocetes gramineus affinis Mituer, Auk, V, Oct., 1888, 404. (Salem, 
Oregon.) 
RancE.— Pacific Coast region. Breeds from British Columbia to north- 
western Oregon; winters from southern California to Cape San Lueas. 
