30 FALCON ID^. 



Man. Orn. U. S. & Canad. p. 102.— De Kay, Zool. N. York, 

 ii. }). 9. pi. 8. f. 17 (juv.). — Feah. Bost. Journ. Nat. Hist. iii. 

 p. 80.— Tkomp. Hist.Vermt. App. p. 63.—Peale, U. S. Expl. 

 Exp. p. 62. — Towns. Sitg. Exp. Zuni & Colorad. p. 59. — 

 Kaup, Ueb. Falk. Mus. Senck. 1845, p. 261. 



B. leverianus, Fiff. Zool. Journ. i. p. 340. — Stejjh. Zool. xiii. 

 pt. 2. p. 47. 



Astur borealis, Cuv. Reg. An. ed. 2. i. p. 332. — Swains. Classif. 

 B. i. p. 316; ii. p. 215. 



Pcecilopternis borealis, Kaup, Isis, Monog. Falc. Cont. Orn. 

 1850, p. 7G. 



Utzquauhtli, Hernandez. 



Red-tailed Buzzard, Penn. Arct. Zool. p. 205. sp. 100, 101. 



Leverian Falcon, Penn. Arct. Zool. sp. 101. 



White-breasted Falcon, Lath. Gen. Hist. i. p. 267. 



Habitat. — America generally to lat. 55° N. (summer). United 

 States. California. Mexico (resid.). W. Indies, Island of Nevis 

 (Brit. Mus.). Jamaica (Gosse). 



35 a. BUTEO SWAINSONI, Bonaparte, 1838.— Mus. 



Falco buteo, Penn. Arct. Zool. ii. p. 207. sp. 103 ? juv. — Audub. 

 Am. B. pi. 372 ; Orn. Biog. iv. p. 508. 



F, obsoletus, Gmel. Syst. Nat. p. 268. — Ken; Trans. Gmel. ii. 

 p. 501. — Lath. Ind. Orn. p. 28. sp. 61 ; Synop. Supp. i. p. 30 ; 

 Gen. Hist. i. p. 254.— Baud. Tr. Orn. ii, p. 104.— Shaw, Zool. 

 vii. p. 152. 



Buteo vulgaris, Richards. ^ Swains. Faun. Bor. Am. p. 5. — 

 Jard. Wils. Am. Orn. ii. p. 56, note. — Brew. Wils. p. 303 ; 

 Synop. p. 684. 



B. swainsoni, Bonap. Eur.&N. Am. B. p. 3; Consp. Av. p. 19. 

 —Cass. Synop. B. Calif. & Tex. p. 98 ; Proc. Ac. Sc. Philad. 

 1855, p. 280. — Gamb. Journ. Ac. Nat. Sc. Philad. n. s. i. 

 p. 27. 



B. montanus, Nutt. Man. Orn. U, S. & Canad. i. p. 112. 



Habitat. — North America. Fur countries to lat. 58° (summer). 

 California (winter). 



35 b. BUTEO HARLANI, (Audubon) 1830.— Mus. Brit. 



Falco harlani, Audub. Am. B. pi. 36 ; Orn. Biog. i. p. 441. — 

 Brew. Wils. N. Am. Orn. Synop. p. 684. 



