ORDER PASSERES. 999 
Ranace.— Western North America, from east central British Columbia and 
Montana south to southern California, Arizona, and western Texas. 
Corvus caurinus Barrp. Northwestern Crow. [489.] 
Corvus caurinus Bairp, Rep. Expl. & Surv. R. R. Pac., IX, 1858, 569. 
(Fort Steilacoom, Washington.) 
Raner.— Northwest coast from Kadiak Island and Kukak Bay, 
Alaska, to Puget Sound, Washington. 
Corvus ossifragus Witson. Fish Crow. ([490.] 
Corvus ossifragus Witson, Amer. Orn., V, 1812, 27, pl. 37, fig. 2. (Great 
Egg Harbor, N. J.) 
Rance.— 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 Linna&us. Rook. [490.1.] 
Corvus frugilegus Linnuus, Syst. Nat., ed. 10, I, 1758, 105. (Sweden.) 
Rancer.— 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 cérnix LinN-sus. Hooded Crow. [490.2.] 
Corvus cornix Linnmus, Syst. Nat., ed. 10, I, 1758, 105. (Sweden.) 
Rancre.— Great Britain and continental Europe, except the south- 
western part; casual in Iceland and Greenland.] 
GENUS NUCIFRAGA Brisson. 
Nucifraga Brisson, Orn., II, 1769, 58. Type, by monotypy, [Nucifraga] 
nucifraga BRIssoNn = Corvus caryocatactes LINNXUS. 
Suscenus PICICORVUS Bonaparte. 
Picicorvus BONAPARTE, Consp. Avium, I, 1850, 384. Type, by mono- 
typy, Corvus columbianus WILSON. 
