ORDER RAPTORES. 155 
Rostrhamus socidbilis (VirILLOT). Everglade Kite. [330.] 
Herpetotheres sociabilis Vin1tuoT, Nouv. Dict. d’Hist. Nat., XVIII, 1817, 
318. (South America, Lat. 27°-30° S., in district of Corrientes, and 
on the Rio de la Plata.) 
RanGE.— Tropical Florida, Cuba, eastern Mexico, Central America, 
and eastern South America to Argentina; migratory in northern 
Florida. 
GENus CIRCUS LacéPEDE. 
Circus LachrEDE, Tableaux Ois., 1799, 4. Type, by subs. desig., Falco 
eruginosus LINN&%US (Lesson, 1828). 
Circus hudsénius (LINNUs). Marsh Hawk. ([331.] 
Falco hudsonius Linnxus, Syst. Nat., ed. 12, I, 1766, 128. (Hudson 
Bay.) 
Rance.— North America. Breeds from northeastern Siberia, 
northwestern Alaska, northwestern Mackenzie, central Keewatin, 
northern Quebec, and Prince Edward Island south to the southern 
border of the United States; winters from southern British Columbia, 
Colorado, Iowa, the Ohio Valley, and New York (occasionally Massa- 
chusetts) south to the Bahamas, Cuba, and Colombia. 
Genus ACCIPITER Brisson. 
Accipiter Brisson, Orn., I, 1760, 310. Type, by tautonymy, [Accipiter] 
accipiter Brisson = Falco nisus LINN&XUS. 
Accipiter vélox (WiLson). Sharp-shinned Hawk. [332.] 
Falco velox Witson, Amer. Orn., V, 1812, 116, pl. 45, fig. 1. (Banks of 
Schuylkill River, near Philadelphia, Pa.) 
RancE.— North America. Breeds nearly throughout the United 
States and Canada from northwestern Alaska, northwestern Macken- 
zie, southern Keewatin, central Quebec, and Newfoundland south- 
ward; winters from British Columbia, Colorado, Iowa, northern 
Ohio, and Massachusetts south to Panama. 
