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Show I l l Falco dubiu* GM. S. N. i, 1788, 281.- LATH. Ind. Orn. 1790,43; Gen. Hist, i, 1821, 279.- DAUD. Tr. 1800, ii, 122. Accipiter striates VIEILL. O. A. 8. 1807, pi. 14.- STRICKL. Orn. Syn. i, 1855, 109. Falco vteiihtinus SHAW, Gen. Zool. vii, IS09, 204. Falco velox WILS. Am. Orn. v, 1812, 116, pi. xlv, fig. 1.- BONAP. IBIS, 1833, 1137 ; Aun. N. Y. Lvc. ii, ia33, 29. Accipiter velox Vio. Zool. Beecheys Voy. i, 1824, 338. Astur velox JAMES, ( ed. Wils.) Am. Orn. i, 1831, 68. Falco pennsylvanicus WiLSOX, Am. Orn. vi, 1812, 1, pi. 46, fig. 1. Accipiter pennsylvanicus STEPHENS, Zool. xiii, ii, 1815, 32.- VIGORS, Zool. Jonrn. i, 1824, 338.- SWAINSON, Fauna Bor.- Aro. ii, 1831, 8, 44.- JARDINE ( ed. Wilson), Am. Orn. i, 1831, 70. Astur pennsylvanicus LESSON, Man. i, 1829, 92.- JAMESON ( ed. Wilson), Am. Orn. i, 1831/ 70. Xisus pennsylranicus CCVIER, Reg. An. i, 1829, 334.- LESS. Tr. Orn. 1831, 59. Sparrius striatus VIEIIJLOT, NOUV. Diet, x, 1817, 338. Nisus striatus CUVIKR, Reg. An. i, 1829, 334. Accipiter ardesiaceus VIEIL. Enc. M6th. iii, 1823, 1274. Xisus malfini LESSON, Tr. Orn. 1831, 58. Accipiter fringilloides JARDIXE ( ed. Wilson), Am. Orn. ii, 1832, 215. ( Not of D'Orb. 18J9, ex Vigors, 1828.) ? Situs pacificus LESSON, Man. 1847,177. Hab.- Entire continent of North America, south to Panama; Bahamas, bnt not in Cuba ( where replaced by N. fringilloides) or other West India Islands. Wing, 6.35- 8.80; tail, 5.50- 8.20; culm en, 0.35- 0.60; tarsus, 1.85- 2.30; middle toe, 1.10- 1.55. Fourth and fifth quills longest, third nearly equal to sixth, outer five with inner webs emarginated. Tail even or slightly emarginated. Adult male:- Above plumbeous, becoming gradually darker on the pileum, the feathers with blackish shaft- streaks. Tail rather lighter, usually browner, ( sometimes with a narrow white terminal margin), crossed with four dusky bands. Occipital feathers pure white beneath the surface, and scapulars with large conceiiled roundish spots of the same. Lower parts mixed white and rufous, in transverse spots or bars, the rufous bars usually connected along the middle of the feather, the shaft bein< r conspicuously darker. Throat and cheeks streaked but not barred. Orissutn aud anal region immaculate pure white. Tibiae usually with the rufous predominating, rarely uniform rufous. Wing, 6.70- 7.10; tail, 5.80- 6.10; culmeu, 0.38- 0.42; tarsus, 1.90- 2.05: middle toe, 1.10- 1.25. Adult female:- Similar to the male, but less bluish above, aud the white of the lower parts less pure. Wing, 7.80- 8.80; tail, 6.60- 8.20 j culmen, 0.48- 0.60 ; tarsus, 2.00- 2.25; middle toe, 1.30- 1.55.* Young male:- Above dark sepia, the feathers bordered terminally with rusty, the feathers of the nape widely edged with the same, or with fulvous- whitish; feathers of the pileum similarly but more narrowly edged with the same. Tail brownish- gray, crossed by four to five well-defined, continuous, narrow bands of blackish. Scapulars and upper tail-coverts with concealed large spots of white, and occipital region white beneath the surface. Beneath, white, with or without an ocbraceous tinge, the anal region and crissum immaculate, the throat streaked with dusky; the breast, abdomen, sides, and flanks with broad stripes of dilute sepia, with darker shaft- streaks, these stripes sometimes dilating on the sides into chain- like series of spots; tibia& with elliptical or tear- shaped stripes, or variously- shaped spots, of dilute sepia, on a ' Terminal t w o t birds of bill deep black ; basal portion pale blue ; interior of mouth bright cobalt- bine, more purplish far back; cere, nctns, eyelids, and naked " eyebrow" ° il- green; iris deep orange- red: tarsi aud toes browish Jemon- yellow; claws jet- black ( No. 956, Mus. R. R.). |