194 CHECK-LIST OF NORTH AMERICAN BIRDS. 
Centurus atrifrons (WAGLER). Golden-fronted Woodpecker. [410.] 
Picus aurifrons WaGcuER, Isis, XXII, 1829, 512. (Mexico.) 
RaNnGE.— Central northern Texas south to Valley of Mexico. 
Centurus uropygidlis Barrp. Gila Woodpecker. [411.] 
Centurus uropygialis Barrp, Proc. Acad. Nat. Sci. Phila., VII, 1854, 120. 
(Bill Williams Fork of Colorado River, Arizona.) 
RanGE.— Lower part of Lower Sonoran Zone from the Colorado 
Valley in southeastern California and the extreme southeastern 
corner of Nevada east through southern Arizona and southwestern 
New Mexico, and south through Lower California and western Mexico 
to Tepic. 
GENUS COLAPTES Viaors. 
Colaptes Vicors, Trans. Linn. Soc. Lond., XIV, Pt. iii, 1825, 457 (note). 
Type, by orig. desig., Cuculus auratus LINN&US. 
Colaptes auratus (LINN vs). 
Rance.— Eastern North America, from tree limit south to the 
Gulf coast. 
a. Colaptes auratus auratus (Linnmus). Flicker. [412.] 
Cuculus auratus LinNmus, Syst. Nat., ed. 10, 1, 1758, 112. (Carolina.) 
Ranee.— Austroriparian Zone of South Atlantic and Gulf States from 
North Carolina and southern Illinois to southern Florida and central Texas. 
b. Colaptes auratus luteus Bancs. Northern Flicker. [412a.] 
Colaptes auratus luteus BANes, Auk, XV, April, 1898, 177. (Watertown, 
Mass.) 
Rance.— Northern and eastern North America. Breeds from tree limit 
in northwestern Alaska, northwestern Mackenzie, central Keewatin, southern 
Ungava, and Newfoundland south, east of the Rocky Mountains, to northern 
edge of Austroriparian Zone; occasional on Pacific slope from California north- 
ward; accidental in Greenland; migratory through most of Canada but more 
or less regularly resident within the United States, except the extreme northern 
parts; south in winter to the Gulf coast and southern Texas. 
