LIST OF THE BIRDS OF EASTERN NORTH AMERICA. 355 



A.;; u. Genus ROSTRHAMUS. Lesson. 



264 {'.VM^} ROSTRHAMUS SOCIABILIS. (Vieill.) Everglade Kite. 



C'ciitial Auunica luid eastern South Amerjca ; coininou in South FloiMda 

 where it breeds. 



(Iexus CIRCU5. Lac^p^de. 



265 (331) CIRCUS HUDSONIUS. (Linx.) Marsh Hawk. 



North and Central America; breedinii tlu'onjjjhout its ran^je ; one of 

 the most common species in eastern United States; frequenting 

 marshes. 



Genus ACCI PITER. Hniss. 

 HUBGENis ACCIPITER. 



266 (332) ACCIPITER VELOX. (Wius.) Sharp=shinned Hawk. 



Nortli America ; breeding throughout its range ; in winter south to 

 Mexico and Central America ; common in eastern United States. 



267 (333) ACCIPITER COOPERI. (Bonap.) Cooper's Hawk. 



North America and IMexico ; breeds throughout its range ; common in 

 eastern United States. 



Sri5<;i:xus ASTUR. LAciPftoE. 



268 (334) ACCIPITER ATRICAPILLUS. (Wii.s.) American Goshawk. 



Greater portion of North America, north of the Middle States; breeds 

 from northern border of United States northward. 



Genus PARABUFEO. Rinr.w. 



269 (335) PARABUTEO UNICINCTUS HARRISI. (AUD.) Harris's Hawk. 



Western species, which occurs in Louisiana. 



Gexus BUTEO. Cuvikh. 



270 (33G) BUTEO BUTEO. (Lixn.) European Buzzard. 



Kiuopean sj)ecies ; once taken in I iiited States; Michigan, one record. 



271 (3;'.7) BUTEO BOREALIS. (Gmeu.) Red-tailed Hawk. 



Eastern North America and Canada; south to ^lexioo; breeds nearly 

 througlioiit its range. 



272 (337a) />ii(eo horcalis kriderii. Mooi'es. Krider's Hawk. 



Western race, which occasionally occurs as far east as Illinois; differs 

 in being much paler; more white in the plumage; uuderparts, 

 faintly streaked. 



273 (3376) Jii((ro Ijorealis cahinis. (Cass.' Westi-rn Ked-tail. 



This race has been recorded from Illinois; its trui' range is \Yest of tin- 

 Rocky Mountains; it dilTers in being much darker than lioreahs, 

 and sliows more dusky and rufous brown in tlie plumage ; some 

 specimens are almost entirely black, with breast dark reddish 

 brown. 



