64 CHECK-LIST OF NORTH AMERICAN BIRDS. 



Rostrhamus sociabilis plumbeus Ridgway. Everglade Kite. [330.] 



Rostrhamus sociabilis var. plumbeus Ridgway, in Baird, Brewer, and 

 Ridgway, Hist. N. Amer. Birds, III, 1874, 208, 209. (Everglade.-i, 

 Florida = near the head of Miami River.) 



Range. — Peninsular Florida, Cuba, eastern Mexico, and Central America. 

 Winters from central Florida southward. [A closely related race occurs in 

 South America.] 



Subfamily ACCIPITRIINAE. Bird Hawks. 



Genus ASTUR Lacepede. 



Astur LaciSpede, Tableaux Oiseaux, 1799, 4. Type, by subs, desig., Falco 

 palumbarius Liis!iS!ABVS (Vigors, 1824). 



Astur atricapiUus atricapillus (Wilson). Eastern Goshawk. [334.] 



Falco atricapillus Wilson, Amer. Orn., VI, 1812, 80 (pi. 52, fig. 3). (with- 

 in a few miles of Philadelphia [Pa.].) 



Range. — -Breeds in the Boreal zones from northwestern Alaska, northwestern 

 Mackenzie, northern Manitoba, southeastern Ontario, northern Quebec (Un- 

 gava), and Newfoundland south to interior British Columbia, Michigan, 

 northern New York, northern New England, Massachusetts (casually), and, in 

 the mountains, to Pennsylvania and western Maryland. Winters from 

 Alaska and the southern Canadian provinces to southern California, northern 

 Mexico, Texas, Oklahoma, Missouri, Kentucky, Illinois, Indiana, northern 

 Ohio, West Virginia, and Virginia; migrations periodic and irregular. Casual 

 or accidental in Idaho, Arizona, and Florida; also in Ireland. 



Astur atricapillus striatulus Ridgway. Western Goshawk. [334a.] 



Astur palumbarius var. striatulus Ridgway, in Baird, Brewer, and 

 Ridgway, Hist. N. Amer. Birds, III, 1874, 238, 240. (Fort Steilacoom, 

 Puget Sound, Washington.) 



Range. — Breeds in Boreal zones of the Pacific coast region from Cook Inlet, 

 Alaska, possibly south to California in the central Sierra Nevada (Yosemite Na- 

 tional Park), Arizona, New Mexico, and Chihuahua. Winters through much 

 of its breeding range and south to southern California (vicinity of San Diego) 

 and northern Mexico.^ 



Genus ACCIPITER Brisson. 



Accipiter Brisson, Orn., 1760, 1, 28, 310. Type, by tauionymy, Accipiter 

 Brisson = Falco nisus Linnaeus. 



^ The American Goshawks are sometimes regarded as subspecies of Astur 

 gentilis Linnaeus of Europe. 



