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CHECK-LIST OF NORTH AMERICAN BIRDS. 
GENUS XANTHOURA Bonaparte. 
Xanthoura BONAPARTE, Consp. Avium, I, 1850, 380. Type, by subs. 
desig., Corvus peruvianus GMELIN = Corvus yncas BopparrT (Gray, 
1855). 
Xanthotra luxudsa (Lesson). 
RancEe.— Lower Rio Grande Valley south to Guatemala and 
Honduras. 
a. [Xanthoura luxuosa luxuosa. Extralimital.] 
b. Xanthoura luxuosa glaucéscens Rincgway. Green Jay. [483.] 
Xanthoura luxuosa glaucescens Ripaway, Auk, XVII, Jan., 1900, 28. 
(Fort Brown, Texas.) 
Ranae.— Lower Rio Grande Valley, Texas, as far north as Laredo, and 
Tamaulipas and Nuevo Leon, Mexico. 
GENUS PERISOREUS BoNaAPaARTE. 
Perisoreus BONAPARTE, Giornale Arcadico, XLIX, 1831, 42. Type, by 
subs. desig., Corvus canadensis LINN&US (Gray, 1840). 
Periséreus canadénsis (LINN £US). 
RanGE.— Northern coniferous forests of North America south in 
mountains to New York, New Mexico, and Arizona. 
a. Perisoreus canadensis canadensis (Linnmus). Canada Jay. [484.] 
Corvus canadensis Linnmus, Syst. Nat., ed. 12, I, 1766, 158. (Canada.) 
RanGE.— Boreal zones of eastern North America. Breeds from limit of 
conifers in northwestern Mackenzie and central Keewatin and from northern 
Quebec south to west central Alberta, northern Minnesota, Michigan, the 
Adirondacks of New York, northern Maine, New Hampshire, New Brunswick, 
and Nova Scotia; casual in Nebraska, Pennsylvania, and Massachusetts. 
b. Perisoreus canadensis capitélis Ripaway. Rocky Mountain Jay. [484a.] 
Perisoreus canadensis var. capitalis Ripaway, Bull. Essex Inst., V, Nov., 
1873, 193, 199. (Henry’s Fork, southwestern corner of Sweetwater 
Co., Wyoming.) 
