336 CHECK-UST or north AMERICAN BIRDS. 



Salpinctes obsoI6tus (Say). 



Range. — Western United States and Mexico to Guatemala. 



a. Salpinctes obsoletug obsoletus (Say). Bock Wren. [715.] 



Troglodytes obsoleta Say, in Long's Exped., II, 1823, 4 (note). (Northern 

 part of Douglas Co., Colorado, near junction of Plum Creek with South 

 Platte River.) 



Range. — Western North America. Breeds mainly in Transition and 

 Sonoran zones from southern British Columbia, west central Alberta, and 

 southwestern Saskatchewan south to central Sonora, San Luis Potosi, and 

 Zacatecas, and from the Pacific, including the Farallon, Santa Barbara (ex- 

 cept San Nicolas), and Coronados islands, peninsula of Lower California and 

 adjacent islands, east to western North Dakota, central Nebraska (casually 

 western Iowa), and central Texas; winters in southern part of its United 

 States range and in Mexico. 



b. Salpinctes obsoletus pulverius Grinnell. San Nicolas Rock Wren. 



[715a.] 



Saljnrwtes obsoktus pulverius Ghinnell, Auk, XV, July, 1898, 238. (San 

 Nicolas Island, California.) 



Range. — San Nicolas Island, California. 



Salpinctes guadeloupinsis Ridgway. Guadalupe Rock Wren. [716.] 



Salpinctes obsoletus guadeloupensis Ridgway, Bull. Geol. & Geog. Surv. 

 Terr., II, No. 2, 1876, 185. (Guadalupe Island, Lower CaUfomia.) 



Range. — Guadalupe Island, Lower California. 



Genus CATHERPES Baird. 



Catherpes Baird, Rep. Expl. & Surv. R. R. Pac, IX, 1858, 356. Type, 

 by orig. desig., Thryothorus mexicanus Swainson. 



Catherpes mexicanus (Swainson). 

 Range. — Arid portions of western United States and Mexico. 



