35G LIST OF THE BIRDS OF EASTERN NORTH AMERICA. 



A. O. U. 



NO. 



274 (338) Biiteo borealis 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. (Gmki .) Red=shouIdered Hawk. 



Throughout eastern North America ; breeding throughout its range. 



276 (339a) Buteo Ihieutus alleni. Ridgw. Florida Red-shouldered Hawk. 



Differs from lineat>is in being smaller, and the adwlts have no rufous on 

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

 common in Florida aud along the southern coast. 



Subgenus TACHYTRIORCHIS. Kaui'. 



277 (342) BUTEO SWAINSONI. Honap. 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=taiIed Hawk. Black Hawk. 



Tropical species ; resident in Florida. 



Genus ASTURINA. Vieill. 



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



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

 North America. 



Genus ARCHIBUTEO. Bkehm. 



281 (347a) ARCHIBUTEO LAQOPUS SANCTUJOHANNIS. (Gmel.) American 



Rough=Iegged 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. 



