tie St OF SPECIES. 
1. Cathartes aura, (Linn.) Mig. Turkey Buzzard. All of North America,"except the 
Aretic regions ------+.-.s+-++-+-s NOOO Eom ink ned So or 
2. Cathartes californianus, (Shaw,) Cuvier. California Vulture. Western North 
INIRGTEOD) co dic cca womido WG choos Bios Gioia O Cicer eae ean sioveva 
3. Cathartes atratus, (Bartram,) Less. Black Vulture. Southern North America. 
Central’ America to:Chile.------ s.--.- SODECR ODS EOE HAN. 
(4.) Cathartes burrovianus, Cassin. Burroughs’ Vulture. Mexico, Vera Cruz, Mazatlan. 
5. Falco (Falco) anatum, Bonaparte. Duck Hawk. North America, east of the Rocky 
moun PITS bese omean se al rele Nercbcne: oasanerees col (Actnve a: starch a-eee ch oben 
> 
Falco (Falco) nigriceps, Cassin. Western North and South America. ---.-+------ 
1. Falco (Hypotriorchis) columbarius, Linn. Pigeon Hawk. Temperate North America, 
Mexico, Central America, Northern South America..........-- 
8. Falco (Hypotriorchis) aurantius, Gmelin. Mexico, South America. ---. +... -++--- 
9. Falco (Hypotriorchis) femoralis, Temminck. New Mexico, Mexico, South America. 
10. Falco (Gennaia) polyagrus, Cassin. Prairie Falcon. Western North America ---- 
11. Falco (Merofalco) candicans, Gmelin. Jer Falcon. Northern North America; 
(QhetevevailkejayelRernidto Casloks o olde he cehorpeh Und oOo Gece cae ey OSU Cio arateee 
12. Falco (Mierofalco) islandicus, Sabine. Jer Falcon. Northern North America; 
Greenland ajcedaltewanetret sexe fe) oe: celalelts wetereiele0).¢ 16/16, Abel sje se e\'e (6' © «\aliel 16.67% eal eo. 6 
13. Falco ( Tinnunculus) sparverius, Linn. Sparrow Hawk. Entire continent of America 
14. Astur atricapillus, (Wils.) Bonap. Goshawk. North America; chiefly in the north- 
western portions PiaWod eltel siietel el ool sltel s}'cl'sticVel oueiuclohegelfarevexe ov ccshenslestatietstons 
15. Accipiter cooperit, Bonap. Cooper's Hawk. All of temperate North America: ---- 
16. Accipiter mexicanus, Swains. Western N. America-..--- +--+. ++... sees scene 
17. Accipiter fuscus, (Gmelin,) Bon. Sharp-shinned Hawk. Throughout North America 
PCN GO TS ene te ein ey ah chee Rw” Sees ve Ope 
18. Buteo swainsont, Bonap. Swainson’s Buzzard. Northern and Western N. America 
19. Buteo bairdiit, Hoy. Baird’s Buzzard. Northern and Western N. America. .---.- 
20. Buteo calurus, Cassin. Red-tailed Black Hawk. Western N. America -........-- 
21. Buteo (Leucopternis) insignatus, Cassin. Western N. America.-.----++---- setae 
22. Buteo (Leucopternis) harlani, (Aud.) Bon. Harlan’s Buzzard. Western N. America 
23. Buteo (Poecilopternis) borealis, (Gmelin,) Vieill. Red-tailed Hawk. Eastern North 
America; fur countries; Cuba, Jamaica---.+--+---.++-...eeee- 
24. Buteo (Poecilopternis) montanus, Nuttall. Western red-tailed Hawk. Western 
Ihe A\ninGialcc vec able SaSUnl6hs é-5 tore Hoowoons cuno oohe hoe eeeeee 
25. Buteo (Poecilopternis) lineatus, (Gmelin,) Jardine. Red-shouldered Hawk. Hastern 
and Northern N. America:.--+--::+--++:> eee es woe a ferelehei sh siectonets 
Page. 
1When authorities are enclosed in parentheses it shows that the species was first described under a different genus. A 
second authority (or 2 siugle one unenclosed) is that of the name as adopted. Extra linutal species have their current 
number similarly ens bosed 
b4* 
