ORDER PASSERIFORMES, 261 



Range. — -Breeds from the lower Canadian to the Lower Austral zone from 

 southern Manitoba, northern Ontario, southern Quebec, and Newfoundland 

 south to central and southeastern Texas, the Gulf coast, and southern Florida; 

 casually west to base of the Rocky Mountains in Montana, Wyoming, and 

 Colorado; resident in Bermuda. Winters most commonly south of the Ohio 

 Valley and the Middle States, casually farther north.' Accidental in Cuba.* 



Sialia sialis fulva Brewster. Azure Bluebird. [766a.] 



Sialia sialis fulva Brewster, Auk, II, No. 1, Jan., 1885, 85. (Santa Rita 

 Mountains, Arizona.) 



Range. — Breeds mainly in the Transition Zone from the mountains of 

 southern Arizona south to Jalisco, Oaxaca, and Vera Cruz. Winters south to 

 northern Guatemala. 



Sialia mexicana bairdi Ridgway. Chestnut-backed Bluebird. [767a.] 



Sialia mexicana bairdi Ridgway, Auk, XI, No. 2, April, 1894, 151, 157. 

 (Camp 110, New Mexico = Cactus Pass, 20 miles east of Kingman, 

 Mohave Co., Arizona.) 



Range. — Breeds mainly in the Transition Zone from Utah, Colorado, and 

 central western Texas south to Durango and Zacatecas. Winters from 

 southern Utah and southern Colorado south to Sonora and Zacatecas. Acci- 

 dental in Iowa. 



Sialia mexicana occidentalis Townsend. Western Bluebird. [767.] 



Sialia occidentalis J. K. Townsend, Journ. Acad. Nat. Sci. Phila., VII, Pt. 

 ii [Nov. 21, 1837], 188. (Columbia River = Fort Vancouver, Washing- 

 ton.) 



Range. — Breeds mainly in the Transition Zone from southern British 

 Columbia east to northern Idaho and western Montana and south to southern 

 California. Winters south to San Diego County, California, and extreme 

 northern Lower California. 



Sialia mexicana anabelae Anthony. San Pedro Bluebird. [7676.] 



Sialia mexicana anahelx Anthony, Proc. Calif. Acad. Sci., ser. 2, II, sig. 6, 

 Oct. 11, 1889, 79. (San Pedro Martir Mountain, Lower California.) 



Range. — Sierra San Pedro Mdrtir and Sierra Juarez of northern Lower 

 California (chiefly Transition Zone). In winter scattering somewhat to ad- 

 jacent lowlands. 



[Additional races of S. mexicana occur in Mexico and Central America.] 



1 The resident Bluebird of peninsular Florida has been separated as S. s. grata 

 Bangs (Auk, XV, April, 1898, 182). 



