72 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Subfamily CIRCINAE Harriers. 



Genus CIRCUS LACEpfeDE. 



Circus Lacepede, Tableaux Oiseaux, 1799, 4. Type, by subs, desig., Falco 

 aeruginosus Linnaeus (Lesson, 1828). 



Circus hudsonius (Linnaeus). Marsh Hawk. [331.] 



Falco hudsonius Linnaeus, Syst. Nat., ed. 12, I, 1766, 128. Based on 

 The Ring Tal'ed Hawk, Pygargus canadensis Edwards, Nat. Hist. 

 Birds, 107. (ad f return Hudsonis = Hudson Bay.) 



Range. — Breeds from northwestern Alaska, northwestern Mackenzie, 

 northern Manitoba, northern Ontario, central Quebec, and Newfoundland 

 south to northern Lower California, southern Arizona, southern Texas, south- 

 ern Illinois, southern Indiana, Ohio, Maryland, and southeastern Virgmia. 

 Winters from southern British Columbia, western Montana, western South 

 Dakota, southern Wisconsin, southern Michigan, southern New York, southern 

 Vermont, and southern New Hampshire south to the Bahamas, Florida, Cuba, 

 and Colombia. Accidental in Hawaii and Barbados. 



Subfamily PANDIONINAE. Ospreys. 



Genus PANDION Savigny. 



Pandion Savigny, Descr. de I'Egypte, I, 1809, 69, 95. Type, by mono- 

 typy, Pandion fluvialis Savigny = Falco haliaetus Linnaeus. 



Pandion haliaetus carolinensis (Gmelin). Osprey. [364.] 



Falco Haliaetos y carolinensis Gmelin, Syst. Nat., I, Pt. i, 1788, 263. 

 Based mainly on The Fishing Hawk, Accipiter piscatorius Catesby, 

 Carolina, I, 2. (in America = South Carolina.) 



Range. — Breeds from northwestern Alaska, northwestern Mackenzie, 

 Churchill, Hudson Bay, northern Manitoba, central Quebec, southern Labra- 

 dor, and Newfoundland south to Lower California, western Mexico, the Gulf 

 States, and the Florida Keys. Winters from Florida and the Gulf States 

 through Lower California and Mexico to the West Indies and Central America. 

 Casual south to Peru, Chile, and Paraguay and north to Greenland. [Allied 

 races occur in the Bahamas, Europe, Asia, Australia, etc.] 



