356 LIST OF THE BIRDS OF EASTERN NORTH AMEKICA. 



A. O. U. 

 NO. 



274 (338) Buteo boreali* harlani. (AuD.) Harlan's Hawk. 



Differs from borealis in being somewhat heavier ; the general plumage 

 is dark sooty or black, showing more or less white streaks, the 

 concealed portion of feathers being white ; underparts, more or less 

 white, with various markings ; it occurs in Georgia and Florida, 

 and the Gulf States to the Mississippi Valley ; north to Illinois 

 and Iowa, and casually to Pennsylvania. 



275 (339) BUTEO LINEATUS. (GMEL.) Red-shouldered Hawk. 



Throughout eastern North America ; breeding throughout its range. 



276 (339a) Buteo lineatus alleni. EIDGW. Florida Red-shouldered Hawk. 



Differs from lineatus in being smaller, and the adults have no rufous on 

 the head ; Gulf States, from Texas to the Carolinas ; but most 

 common in Florida and along the southern coast. 



SUBGENUS TACHYTRIORCHIS. KAUP. 



277 (342) BUTEO SWAINSONI. BONAP. Swainson's Hawk. 



Western species ; occasionally occurring in eastern United States ; 

 casual in Florida ; recorded from Maine and Massachusetts. 



278 (343) BUTEO LATISSIMUS. (WiLS.) Broad=winged Hawk. 



Throughout eastern North America ; from Canada to West Indies and 

 South America ; breeds throughout its range. 



SUBGENUS BUTEOLA. BONAP. 



279 (344) BUTEO BRACHYURUS. VIEILL. Short-tailed Hawk. Black Hawk. 



Tropical species ; resident in Florida. 



GENUS ASTURINA. VIEILL. 



280 (346) ASTURINA PLAQIATA. SCHLEGEL. Mexican Goshawk. 



Western species ; once observed in Illinois ; no other record for eastern 

 North America. 



GENUS ARCHIBUTEO. BREHM. 



281 (347a) ARCHIBUTEO LAQOPUS SANCT1=JOHANNIS. (GMEL.) American 



Rough-legged Hawk. 



New England and Illinois. 



282 (348) ARCHIBUTEO FERRUQINEUS. (LIGHT.) Ferruginous Rough-leg. 



North America ; from Gulf States northward ; breeds north of United 

 States. 



GENUS AQUILA. BRISS. 



283 (349) AQUILA CHRYSAETOS. (LINN.) Golden Eagle. 



North America ; breeding in mountains in unsettled localities through- 

 out its range ; much less common than the Bald Eagle on the 

 Atlantic coast. 



