68 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Buteo swainsoni Bonaparte. Swainson's Hawk. [342.] 



Buteo Swainsoni Bonaparte, Geog. and Comp. List, 1838, 3. New name 

 for Buleo vulgaris Audubon = Falco buteo Audubon [Birds Amer. 

 (folio), pi. 372]. (Columbia River = Fort Vancouver, Washington.) 



Range. — Breeds from interior British Columbia, Fort Yukon, Great Slave 

 Lake, and Manitoba south to northern Mexico. Winters in southern South 

 America, only occasionally north of the Equator. Casual in Quebec, Ontario, 

 Michigan, Vermont, New York, Maine, Massachusetts, and Florida. 



Buteo albonotatus Kaup. Zone-tailed Hawk. [340.] 



[Buteo] alhonotatus Kaup, Isis von Oken, [XL] 1847, Heft v (May), col. 

 329. (Mexico.) 



Range. — -Lower Austral Zone in southwestern Texas, New Mexico, Arizona, 

 and extreme southern California south throughout Lower California and 

 Mexico to Central America and the northern coast region of Colombia and 

 Venezuela. 



Subgenus TACHYTRIORCHIS Kaup. 



Tachijiriorchis Kaup, Class. Saug. und Vogel, 1844, 123. Type, by mono- 

 typy, Falco pterocles Temminck = Buteo alhicaudatus Vieillot. 



Buteo alhicaudatus hypospodius Gurney. Sennett's White-tailed Hawk. 

 [341.] 



Buteo hypospodius Gurney, Ibis, ser. 3, VI, No. 1, Jan., 1876, 73. (Medel- 

 lin, Colombia.) 



Range. — Lower Austral Zone of middle Texas south to Colombia. [Closely 

 allied races occur in South America.] 



Subgenus BUTEOLA Bonaparte. 



Buteola Bonaparte, Comptes Rendus Acad. Sci. (Paris), XLI, No. 17 

 (for Oct. 22), 1855, 651. Type, by orig. desig., Buteo brachyurus 

 Vieillot. 



Buteo brachyurus Vieillot. Short-tailed Hawk. [344.] 



Buteo brachyurus Vieillot, Nouv. Diet. d'Hist. Nat., nouv. ed., IV, 1816, 

 477. (No locality given = Cayenne.) 



Range. — Florida, eastern Mexico, and Central America south to Peru, 

 Bolivia, and Brazil. 



Subgenus TRIORCHIS Kaup. 



Triorchis Kaup, Skizz. Entw.-Gesch. Eur. Thierw., 1829, 84. Type, by 

 monotypy, Falco lagopus Gmelin = jPoZco lagopus Pontoppidan. 



