346 CHECK-LIST OF NORTH AMERICAN BIRDS. 
d. Sitta carolinensis nélsoni Mearns. Rocky Mountain Nuthatch. [727c.] 
Sitta carolinensis nelsoni Mearns, Proc. U. S. Nat. Mus., XXIV, 1902, 
923. (Huachuca Mountains, Arizona.) 
RanGE.— Interior of North America. Breeds mainly in the Transition 
Zone from southern British Columbia, central Alberta, and western Manitoba 
south to Sonora, Chihuahua, and Coahuila, and from the eastern base of the 
Cascades and Sierra Nevada eastward across the Rocky Mountains. 
e. Sitta carolinensis lagine Brewster. San Lucas Nuthatch. [727d.] 
Sitta carolinensis lagune BrewstTER, Auk, VIII, April, 1891, 149. (Sepa- 
rates publ. Feb. 17.) (Sierra de la Laguna, Lower California.) 
RanGeE.— Breeds in Transition Zone of the Cape Region of Lower California. 
Sitta canadénsis Linnxus. Red-breasted Nuthatch. [728.] 
Sitta canadensis LINNEHUs, Syst. Nat., ed. 12, I, 1766, 177. (Canada.) 
RanGE.— North America. Breeds in Canadian Zone from the 
upper Yukon Valley, southern Mackenzie, central Keewatin, northern 
Quebec, and Newfoundland south to northern Minnesota, Michigan, 
and Massachusetts, and south in the Sierra Nevada and Rocky 
Mountains to California, Arizona, and New Mexico, and in the 
Alleghenies to North Carolina; also on Guadalupe Island, Lower 
California; winters from southern Canada south to Lower California, 
New Mexico, Arizona, and the Gulf coast. 
Sitta pusilla LarHam. Brown-headed Nuthatch. [729.] 
Sitta pusilla LarHam, Index Orn., I, 1790, 263. (Carolina.) 
RaNGE.— Southeastern United States. Breeds in Austroriparian 
Zone from southern Missouri and southern Delaware south to eastern 
Texas and southern Florida; casual in southern Michigan, Ohio, 
New York, and the Bahamas. 
Sitta pygme#a VIGORs. 
Rance.— Western North America from southern British Columbia 
south (in mountains) to Lower California and Mexico. 
a. Sitta pygmea pygmea Vicors. Pygmy Nuthatch. [730.] 
Sitta pygmea Viaors, in Zool. Beechey’s Voy., 1839, 25, pl. 4. (Monterey, 
California. ) 
