1. CATHARTES AURA, Illig. 



Turkey Buzzard. 



2. CATHARTES CALIFORNIANUS, Cuv. 



California Tulture. 



3. CATHARTES ATRAT0S, Lesson. 



Blacli. Tulture. 

 i. CATHARTES BTJRROVIANUS, Cassin. 

 Mexican Tulture. 



5. FALCO ANATUM, Bonaparte. 



Duck Haw^k. 



6. FALCO NIGRICEPS, Cassin. 



Black Capped Havvk. 



7. HYPOTRIORCHIS COLUMBARIXJS, Ga. 



Pigeon Havirk. 



8. HYPOTRIORCHIS AURANTIUS, Kaup. 



Orange-breasted Hawk. 



9. HYPOTRIORCHIS FEMORALIS, Gray. 



Aplomadu. 



10. FALCO POLYAGRUS, Cassin. 



Prairie Falcon. 



11. FALCO CANDICANS, Gmelin. 



Jer Falcon. 



12. FALCO ISLANDICUS, Sabine. 



Jer Falcon. 



13. TINNUNCULUS SPARVERIUS, Viehl. 



Sparrow Hairk. 

 If ASTUR ATRICAPILLUS, Bonap. 

 Gosbavrk. 



15. ACCIPITBR COOPERH, Bonap. 



Cooper's Hawk. 



16. ACCIPITER MEXICANUS, Swains. 



Blue-backed Hawk. 



17. ACCIPITER FUSCXJS, Bonap. 



Sbarp-sblnned Hawk. 



18. BUTBO SWAINSONI, Bonap. 



Swalnson's Hawk. 



19. BTJTBO BAIRDn, Hoy. 



Balrd's Haw^k. 

 20 BUTBO CALURUS, Cassin. 

 Black Kca-tail. 



21. BUTBO INSIGNATUS, Cassin. 



Brown Hawk. 



22. BUTBO HARLANI, Bonapakie. 



Ilarlan's Hawk. 



23. BUTBO BORBALIS, Vieill. 



Red-taiDed Hawk. 



24. BUTBO MONTANUS, Nuttall. 



TKestern Red-tail. 



25. BUTBO LINEATUS, Jabdine. 



Red-8bouldered Hawk. 



26. BUTBO ELEGANS, Cassin. 



Red-bellied Hawk. 



27. BUTEO PENNSYLVANICUS, Bo.vap. 



Broad-winged Hawk. 



28. BUTEO OXYPTERUS, Cassin. 



Sbarp-winged Hawk. 



29. BUTEO COOPERI, Cassin. 



Calirornia Hawk. 



30. ARCHIBUTEO LAGOPUS, Gray. 



Rougb-Iegged Hawk. 



31. ARCHIBUTEO SANCTI-JOHANNIS, Ge. 



Black Havtk. 



32. ARCHIBUTEO PERRUGINEUS, Gray. 



Squirrel Hawk. 



33. ASTURINA NITIDA Bonap. 



Mexican Hawk. 



34. NAUCLERUS FURCATUS, Vigors 



Swallow-tailed Hawk. 



35. ELANUS LEUCURUS, Bonap. 



Wbitettailed Hawk. 



36. ICTINIA MISSIS SIPPIENSIS, Gray. 



inississippi Kite. 



37. ROSTRHAMUS SOCIABILIS, D'Oeb. 



Black Kite. 



38. CIRCUS HUDSONIUS, Vieillot. 



marsb Hawk. 



39. AQUILA CANADENSIS, Cassin. 

 Ciolden Eagle ; Ring-tailed Ea^le. 



40. HALIAETUS PELAGICUS, Siebold. 



IVorttaern i^ea Kajjle. 



