II. LIST OF SPECIES . 1 
Page. 
1. Cathartes aura, (Linn.) Illig. Turkey Buzzard. All of North America,"except the 
Arctic regions. 4 
2. Cathartes californianus, (Shaw,) Cuvier. California Vulture. Western North 
America. 5 
3. Cathartes atratus , (Bartram,) Less. Black Vulture. Southern North America. 
Central America to Chile. 5 
(4.) Cathartes burrovianus , Cassin. Burroughs’ Vulture. Mexico, Vera Cruz, Mazatlan. 6 
5. Falco (Falco) anaium , Bonaparte. Duck Hawk. North America, east of the Rocky 
mountains... 7 
6. Falco (Falco) nigriceps, Cassin. Western North and South America. 8 
7. Falco (Hypotriorchis) columbarius, Linn. Pigeon Hawk. Temperate North America, 
Mexico, Central America, Northern South America. 9 
8. Falco (Hypotriorchis) aurantius , Gmelin. Mexico, South America. 10 
9. Falco (Hypotriorchis) femorodis, Temminck. New Mexico, Mexico, South America- 11 
10. Falco ( Gennaia) poly agr us, Cassin. Prairie Falcon. Western North America ••• • 12 
11. Falco (Hierofalco) candicans, Gmelin. Jer Falcon. Northern North America; 
Greenland . 13 
12. Fcdco (Hierofalco) islandicus , Sabine. Jer Falcon. Northern North America; 
Greenland . 13 
13. Falco ( Tinnunculus) sparverius, Linn. Sparrow Hawk. Entire continent of America 13 
14. Astur atricapillus, (Wils.) Bonap. Goshawk. North America; chiefly in the north¬ 
western portions. 15 
15. Accipiter cooperii, Bonap. Cooper’s Hawk. All of temperate North America-••• • 16 
16. Accipiter mexicanus, Swains. Western N. America. 17 
17. Accipiter fuscus, (Gmelin,) Bon. Sharp-shinned Hawk. Throughout North America 
and Mexico. 18 
18. Buteo swainsoni, Bonap. Swainson’s Buzzard. Northern and Western N. America 19 
19. Buteo bairdii, Hoy. Baird’s Buzzard. Northern and Western N. America. 21 
20. Buteo calurus, Cassin. Red-tailed Black Hawk. Western N. America. 22 
21. Buteo (Leucopternis) insignatus, Cassin. Western N. America. 23 
22. Buteo (Leucopternis) harlani, (And.) Bon. Harlan’s Buzzard. Western N. America 24 
23. Buteo (Poecilopternis) borealis, (Gmelin,) Vieill. Red-tailed Hawk. Eastern North 
America; fur countries; Cuba, Jamaica... 25 
24. Buteo (Poecilopternis) montanus, Nuttall. Western red-tailed Hawk. Western 
N. America. 26 
25. Buteo (Poecilopternis) lineatus, (Gmelin,) Jardine. Red-shouldered Hawk. Eastern 
and Northern N. America. 28 
x When authorities are enclosed in parentheses it shows that the species was first described under a different genus. A 
second authority (or a single one unenclosed) is that of the name as adopted. Extra linutal species have their current 
number similarly em losed 
b4* 
