228 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Range. — Great Britain and continental Europe, except the southwestern 

 part. Casual in Iceland and Greenland (east coast) .^ [Closely allied races 

 occur in western Siberia, Mesopotamia, Sardinia, and Corsica.] 



Genus CYANOCEPHALUS Bonaparte. 



Cyanocephalus Bonaparte, Osserv. Stato Zool. Eur., 1842, 17. Type, 

 by monotypy, Gymnorhinus cyanocephalus Wied. 



Cyanocephalus cyanocephalus (Wied). Pifion Jay. [492.] 



Gymnorhinus cyanocephalus Wied, Reise Nord-Amer., II, 1841, 22. 

 (Junction of Marias and Yellowstone rivers, Montana .2) 



Range. — Upper Austral and Transition zones, breeding chiefly in the pinon 

 and juniper belt of the mountains, from central Washington, Idaho, and central 

 Montana south to northern Lower California, Arizona, southern New Mexico, 

 and western Texas, and from the Sierra-Cascade ranges east to the eastern base 

 of the Rocky Mountains and northwestern Nebraska. Casual on the coast of 

 California and in eastern Nebraska and Kansas. 



Genus NUCIFRAGA Brisson. 



Nucijraga Brisson, Orn., 1760, I, 30; II, 58. Type, by monotypy, 

 Nucijraga Brisson = Corvus caryocatactes Linnaeus. 



Subgenus PICICORVUS Bonaparte. 



Picicorvus Bonaparte, Consp. Avium, I, sig. 48, May 6, 1850 [Feb. 3, 

 1851], 384. Type, by monotypy, Corvus columbianus Wilson. 



Nuc if raga Columbiana (Wilson). Clark's Nutcracker, [491.] 



Corvus columbianus Wilson, Amer. Orn., Ill, 1811, 29 (pi. 20, fig. 2). 

 (Shores of the Columbia [River, between the Dalles and the mouth].) 



Range. — Breeds from southern Alaska, southwestern Alberta, and western 

 South Dakota south to high moimtains of northern Lower California, Arizona, 

 and New Mexico. In winter spreads somewhat southward and into lower 

 altitudes. Casual in western Nebraska and east to Missouri and Arkansas; 

 accidental in Wisconsin and Iowa. 



1 Schalow, Vogel Arktis, 1904, 243. 



2 There is some error in this statement of Wied, as the Marias flows into the 

 Missouri many miles from the Yellowstone. 



