ORDER PASSERES. 229 



Range. — Western North America, from east central British Columbia and 

 Montana south to southern California, Arizona, and western Texas. 



Oorvus caurinus Baird. Northwestern Crow. [489.] 



Corvus caurinus Baird, Rep. Expl. & Surv. R. R. Pac^ IX, 1858, 569. 

 (Fort Steilacoom, Washington.) 



Range. — Northwest coast from Kadiak Island and Kukak Bay, 

 Alaska, to Puget Sound, Washington. 



Corvus ossifragus Wilson. Fish Crow. [490.] 



Cormis ossifragus Wilson, Amer. Orn., V, 1812, 27, pi. 37, fig. 2. (Great 

 Egg Harbor, N. J.) 



Range. — Carolinian and Austroriparian faunas of Atlantic and 

 Gulf coasts from lower Delaware and Hudson River valleys and Con- 

 necticut to Louisiana and Florida; casual in Massachusetts. 



[Corvus frugilegus Linnaeus. Rook. [490.1.] 



Corvus frugilegus Linn^us, Syst. Nat., ed. 10, I, 1758, 105. (Sweden.) 



Range.— Europe in general, including Great Britain, and Kashmir 

 and northwestern India east to central Asia; winters in southern Europe 

 and northern Africa; accidental in Greenland.] 



[Corvus cdmiz Linn^us. Hooded Crow. [490.2.] 



Corvus cornix Linn^its, Syst. Nat., ed. 10, I, 1758, 105. (Sweden.) 



Range. — Great Britain and continental Europe, except the south- 

 western part; casual in Iceland and Greenland.] 



Genus NUCIFRAGA Brisson. 



Nucifraga Brisson, Orn., II, 1760, 58. Tj^e, by monotypy, [NvMfraga] 

 nucifraga Brisson = Corvus caryocatactes Linn^tjs. 



SuBGENtis PICICORVTJS Bonaparte. 



Picicorvus Bonaparte, Consp. Avium, I, 1850, 384. Type, by mono- 

 typy, Corvus colwnibiarms Wilson. 



