162 



Uruhitinga {Antenor) unicincta EiDGW. Pr. Boston Soc. N. H. May, 1873, 93. 

 Parahuteo unicinctus Eidgw. B. B. &- R. Hist. N. Am. B. iii, 1874, 249, 250. 

 Erythrocnema unicincta Sharpe, Cat. Ace. B. M. 1874, 85. 

 Pohjhorus tceniurus Tschudi, Arch. f. Natiirg. 1844, 263 ; Fauna Per. 1844, i^l. 1. 



Mab. — South America generally, soutli to Chili and Buenos Ay res. 



/3. liarrisi, And. 



Falco Jiarrisii AuD. B. Am. 1831, pi. cccxcii ; Ofn. Biog. v, 1849, 30. 



Buteo harrisil Bokap. Comp. List, 1838, 3. — Aud. Synop. 1839, 5. — De Kay Zool. 



N. Y. ii, 1844, 11. 

 Craxirex harrisii CouES, Pr. A. N. S. Phil. 1866, 49. — Cooper, Orn. Cal. i, 1870, 493. 

 Buteo unicinctus var. harrisii Eidgw. Coues' Key, 1872, 215. — Coues, Check List N. 

 Am. B. 1873, 69, No. 348.— Lawk. Mem. Boston Soc. K H. ii, 1874, 302 (N. W. 

 Mexico). 

 Antenor unicinctus var. hai'visi Eidgw. B. B. & E. Hist. N. Am. B. iii, 1874, 250. 

 Parahuteo unicinctus var. harrisi Eidgw. B. B. & E. Hist. N. Am. B. iii, 1874, 250. 

 Craxirex unicinctus Cass. B. N. Am. 1858, 46 (not of Bouap. 1854, ex Temm. 1820). — 

 Baird, Cat. N. Am. B. 1859, No. 46.— Dresser, Ibis, 1855, 329.— Coues, Pr. A. N. 

 S. Phil. 1866, 13.— Salvix, P. Z. S. 1867, 158 (Veragua). 

 Erythrocnema unicincta Sharpe, Cat. Ace. B. M. 1874, 85 (in part). 



Hob. — Middle America, from the southern border of the United States 

 (Louisiana to Lower California) south to Panama ('?). 



Wing, 11.65-14.60 ; tail, 9.00-11.00 ; culmen, 0.82-1.10 ; tarsus, 2.78- 

 3.75; middle toe, 1.52-2.00. Adult: — General color brownish-black or 

 blackish-brown, uniform or slightly variegated by light spottiug; the 

 lesser wing-coverts and tibiie deep rufous or chestnut. Tail black ; the 

 end and base white, as are also the tail-coverts. Young: — Plumage 

 greatly variegated. Above blackish-brown, the feathers edged with 

 rusty 5 head and neck streaked with iDale ochraceous. Lower parts pale 

 ochraceous or yellowish-white, the breast and abdomen with longitud- 

 inal ovoid spots of blackish; tibia? with transverse bars of dark rusty; 

 lower tail-coverts with black shaft-streaks. Lesser wiug-covert region 

 only washed with rufous. Tail grayish-brown, whitish at the tip, and 

 crossed by narrow bands of dusky. 



a. unicinctus. 



Adult with the blackish more or less broken up by lighter spotting or 

 streaking; tibine barred rufous and ochraceous. Wing, 11.05-14.60; 

 tail, 9.00-10.50 ; culmen, 0.82-1.02; tarsus, 2.78-3.40; middle toe, 1.52- 

 1.85. Adult (?) female (ISTo. 48814, Santiago, Chile) : — Prevailing color 

 brownish-black, broken by white streaks on the cheeks and throat, 

 white borders and concealed spots on the abdomen, and ochraceous 

 edges to* feathers of the central portion of the breast. Kemiges with 

 a narrow terminal border of white. Wing-coverts mostly deep ferru- 

 ginous rufous, nearly uniform and almost chestnut in tint on the 

 lesser coverts, which have dusky shaft-streaks, but much broken by a 

 dusky spotting on the middle and greater coverts, where the central 

 portion of each feather is uniform blackish. Lining of the wing mostly 

 ferruginous, but this broken by white and dusky spotting. Tibia? 

 ochraceous, irregularly barred with rusty-rufous, these bars suffused into 

 a nearly continuous wash of the latter color on the outer surface. Upper 

 tail-coverts and crissum immaculate white. Tail uniform black, the 

 extreme base aud a sharply-defined terminal band, about one inch broad, 

 pure white; .the inner webs of tlie feathers more or less mottled with 

 grayish-brown, the white at the base extending farther from the roots 

 of the feathers. Inner webs of primaries white anterior to their emar- 

 gination, relieved by indications of dusky bars, the remaining portion 

 grayish-dusky, with irregular or broken blackish bars. Young (No. 



