226 CHECK-LIST OF NORTH AMERICAN BIRDS. 



GENUS XANTHOURA BONAPARTE. 



Xanthoura BONAPARTE, Consp. Aviura, I, 1850, 380. Type, by subs, 

 desig., Corvus peruvianus GMELIN = Corvus yncas BODDAERT (Gray, 

 1855). 



Xanthoura luxuosa (LESSON). 



RANGE. Lower Rio Grande Valley south to Guatemala and 

 Honduras. 



a. [Xanthoura luxuosa luxuosa. Extralimital.] 



b. Xanthoura luxuosa glaucSscens RIDGWAY. Green Jay. [483.] 



Xanthoura luxuosa glaucescens RIDGWAY, Auk, XVII, Jan., 1900, 28. 

 (Fort Brown, Texas.) 



RANGE. Lower Rio Grande Valley, Texas, as far north as Laredo, and 

 Tamaulipas and Nuevo Leon, Mexico. 



GENUS PERISOREU8 BONAPARTE. 



Perisoreus BONAPARTE, Giornale Arcadico, XLIX, 1831, 42. Type, by 

 subs, desig., Corvus canadensis LINN^US (Gray, 1840). 



Peris6reus canadensis (LINNJEUS). 



RANGE. Northern coniferous forests of North America south in 

 mountains to New York, New Mexico, and Arizona. 



a. Perisoreus canadensis canadensis (LINNAEUS). Canada Jay. [484.] 



Corvus canadensis LINN.EUS, 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 capitalis RIDGWAY. Rocky Mountain Jay. [484 a.] 



Perisoreus canadensis var. capitalis RIDGWAY, Bull. Essex Inst., V, Nov., 

 1873, 193, 199. (Henry's Fork, southwestern corner of Sweetwater 

 Co., Wyoming.) 



