348 CHECK-LIST OF NORTH AMERICAN BIRDS. 



b. Bseolophus atricristatus s^nnetti Ridgway. Sennett's Titmouse. [732a.] 



Bmolophus atricristatus sennetti Ridgway, Bull. U. S. Nat. Mus., No. 60, 

 Pt. 3, 1904, 386. (Leon Springs, Bexar Co., Texas.) 



Range. — Lower Sonoran Zone of central Texas, from Tom Green and 

 Concho counties east to the Brazos River, and from Young County south to 

 Nueces and Bee counties. 



Bseolophus inom&tus (Gambel). 



Range. — Arid districts of western United States south to Lower 

 California and the northern border of Mexico. 



a. Bseolophug inomatus inomatus (Gambel). Plain Titmouse. [733.] 



Parus inornatus Gambel, Proe. Acad. Nat. Sci. Phila., II, 1845, 265. 

 ("Upper California." "First discovered near Monterey.") 



Range. — California west of the Sierra Nevada. Breeds in Upper Sonoran 

 Zone from Mendocino and Siskiyou counties to northern Lower California. 



h. Baeolophus inomatus griseus (Ridgway). Gray Titmouse. [733a.] 



Lophophanes inornatus griseus Ridgway, Proc. U. S. Nat. Mus., V, 1882, 

 344. (Iron City, Iron Co., Utah.) 



Range. — Mountains of the arid interior of western United States. Breeds 

 in Upper Sonoran Zone from Nevada, Utah, and central Colorado to. south- 

 eastern California, southern Arizona, southeastern New Mexico, and western 

 Texas. 



c. Bsolophus inornatus cinerdceus (Ridgway). Ashy Titmouse. [7336.] 



Lophophanes inwrtatus cineraceus Ridgway, Proc. U. S. Nat. Mus., VI, 

 1883, 154. (Laguna, Lower California.) 



Range. — Breeds in Upper Sonoran Zone of the Cape Region of Lower 

 California. 



Bffiolophus w611weberi (Bonaparte). Bridled Titmouse. [734.] 



Lophophanes wollweberi Bonaparte, Comptes Rendus, XXXI, 1850, 478. 

 (Zacatecas, Mexico.) 



Range. — Breeds mainly in Upper Sonoran Zone of mountains of 

 southern Arizona and southern New Mexico and south through 

 Mexico to Guerrero, Oaxaca, and Vera Cruz. 



