194 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



4:iGa. BUTEO BOREALIS KRIDERI Hoopes. 

 Krider's Hawk. 



4r!C?>. BUTEO BOREALIS CALURUS (Cass.) Kidgw. 

 Western Red-tail. [20,24.] 



4-360. BUTEO BOREALIS LUCAS ANUS Ridgw. 

 Saint Lucas Red-tail. 



43G<?. BUTEO BOREALIS SOCORROENSIS EiDGW. 

 Socorro Red-taiL 



437. BUTEO COOPERI Cass. 



Cooper's Henhawk. [29.] 



438. BUTEO HARLAWI AUD. 



Harlan's Hawk. [22.] 



439. BUTEO LINEATUS (Gm.) Jakd. 



Red-sliouldered Hawk. [25,] 



439a. BUTEO LINEATUS ELEGANS (Cass.) RiDGW. 

 Red-bellied Hawk. [28.] 



440. BUTEO ABBREVIATUS Cabax. 



Zone-lailed Hawk. 



441. BUTEO ALBICAUDATUS Vieill. 



■White -tailed Haw^k. 



442. BUTEO SWAINSCNI Bonap. 



Swainson's Hawk. [IS, 19, 21, 23.] 



443. BUTEO PENNSYLVANICU3 (Wils.) Bp. 



Broad- w^inged Hawk. [27.] 



444. URUBITINGA ANTHRACINA (Light.) Latr. 



Mexican Black Haw^k. 



445. ASTURINA NITIDA PLAGIATA (Light.) Eidgw. 



Mexican Goshawk. [33.] 



446. ONYCHOTES GRUBERI Ridgw. 



Grtiber's Hawk. 



447. ARCHIBUTEO LAGOPUS SANCTI-JOHANNIS (Gmel.) Eidgw. 



American Rough-legged Hawk. [30,31.] 



448. ARCHIBUTEO FBRRUGINBUS (Light.) GkaY. 



Ferruginous Rough-leg. [32.] 



449. AQUILA CHRYSAETUS CANADENSIS (Llnn.) Ridgw. 



Golden Eagle. [39.] 



450. THRASAETUS HARPYIA (Linn.) Gray. 



Harpy Eagle. 



451. HALIiEETUS LEUCOCEPHALUS (Linn.) Savig. 



Bald Eagle ; Gray Eagle. [41,43.] 



