1. Buteo borealis. (Gmelin.) The Red-tailed Hawk. The American Buzzard. Falco borealis, leverianus and jamaicensis. Gmelin, Syst. Nat., I. p. 266. (1788.) Falco aquilinus. Bartram, Trav., p. 290. (1791.) Buteo ferruginicaudus. Vieill., Ois. d’Am. Sept., I. p. 32. (1807.) Accipiter ruficaudus. Vieill., Ois. d’Am. Sept., I. p. 43. (1807.) Buteo fulvus and americanus. Vieill., Nouv. Dict., IV. pp. 472, 477. (1816.) Vieill., Ois. d’Am. Sept., I. pl. 6, 14; Wils., Am. Orn., VI. pl. 52, figs. 1, 2; Aud., B. of Am., pl. 51, oct. ed., I. pl. 7; Gosse, Ill. B. of Jamaica, pl. 2; Lembeye, B. of Cuba, pl. 1. fig. 1. Adult. Tail bright rufous, narrowly tipped with white, and having a subterminal band of black. Entire upper parts dark umber-brown; lighter, and with fulvous edgings, on the head and neck; scapulars, with a generally concealed basal portion, white, with brown bands; upper tail-coverts generally yellowish white, but frequently on their inner webs of the same rufous as the tail, and with brown spots and bands. Throat white, with brown longitudinal stripes; other under-parts yellowish-white or fawn color, with many longitudinal lines and spots of reddish-brown, tinged with fulvous, most numerous on the breast, and an irregular band across the abdomen of oblong longitudinal spots and narrow transverse bars; under tail-coverts and tibiæ generally immaculate, but the latter frequently spotted, and transversely barred with light rufous. Under surface of the tail silvery white. Young. Tail, in many specimens, pale-brown, with numerous bands of a deeper shade of the same color, and tipped with white; upper tail-coverts white, banded more or less regularly with dark-brown; other upper parts dark umber-brown, many feathers narrowly edged with white and with partially concealed spots of white. Entire under-parts white, sides of the breast with large oval spots of brown, and a wide irregular band on the abdomen composed of similar spots of the same color; tibiæ and under tail-coverts with irregular bands and sagittate spots of brown. Dimensions. _Female_—total length, 22 to 24 inches; wing, 15½ to 16; tail, 8½ inches. _Male_—19½ to 21 inches; wing, 14; tail, 7½ to 8 inches. Hab. Eastern North America; Fur-countries (Richardson); Wisconsin (Hoy); Florida (Bartram); Jamaica (Gosse); Cuba (Lembeye). Obs. One of the most common and easily recognized of the North American species. It is diffused throughout the eastern portion of the continent, but in the west appears to be replaced by the succeeding. 2. Buteo Swainsoni. Bonaparte, Comp. List, p. 3. (1838.) The Western Buzzard. Buteo montana. Nutt., Man. Orn., I. p. 112. (1840.) “Buteo vulgaris.” Rich. and Sw., Faun. Bor. Am. Birds, p. 47. “Falco buteo. Linn.” Aud., Orn. Biog., IV. p. 508.