ORDER PASSERES. 253 



RANGE. 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 POQ3CETES BAIRD. 



Poacetes BAIRD, Rep. Expl. & Surv. R. R. Pac., IX, 1858, xx, xxxix. 

 Type, by monotypy, Fringilla graminea GMELIN. 



Pocecetes gramineus (GMELIN). 



RANGE. Temperate North America, south in winter as far as 

 southern Mexico. 



a. Pooecetes gramineus gramineus (GMELIN). Vesper Sparrow. [540.] 

 Fringilla graminea GMELIN, Syst. Nat., I, ii, 1789, 922. (New York.) 



RANGE. 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. Pooecetes gramineus confinis BAIRD. Western Vesper Sparrow. [540 a.] 



Pooecetes gramineus var. confinis BAIRD, Rep. Expl. & Surv. R. R. Pac., 

 IX, 1858, 448. (Loup Fork of Platte River, Nebraska.) 



RANGE. 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. Pooecetes gramineus affinis G. S. MILLER. Oregon Vesper Sparrow. 



[5406.] 



Pooccetes gramineus affinis MILLER, Auk, V, Oct., 1888, 404. (Salem, 

 Oregon.) 



RANGE. Pacific Coast region. Breeds from British Columbia to north- 

 western Oregon; winters from southern California to Cape San Lucas. 



