FALCONIDJE — BUTEONIN^: BUZZARDS. 543 



very fine zig-zag or broken blackish cross-lines. Upper parts (excepting the rump, which is 

 white like tlie tail), definitely including the sides of the liead and neck, asli-culor or plumbeous, 

 lighter or darker in ditlereut cases, the feathers fleecy-white at bases so extensively as to show 

 with the least disturbance of the plumage, and on the scapulars tinged with reddish. Most of 

 the lesser wing-coverts (but not quite to the bend of the wing), chestnut, somewhat as in 

 B. unicinctus. Entire under parts pure white, lightly touched with fine dusky cross-bars on 

 the sides, lining of wings, and usually the tibise. On the surface of the wings the plumbeous 

 of the upper parts deepens to the blackish of the primaries, whoso inner webs are lighter and 

 more brownish, crossed with numerous darker bars, and toward the base are cut, barred, or 

 speckled with white, which increases in regularity, firmness, and extent on the secondaries. 

 Shafts of wing-feathers brown or black, those of tail white along the white portion of the tail- 

 feathers. Bill mostly dark, in part light; feet yellow; claws black. Length of <J 23.00; 

 extent 4S.00: wing 16.00; tail 7-00; chord of culmen, including cere, 1.40; tarsus about 3.25 ; 

 feathered about 1.00 down in front. 9 larger; length 24.00; extent 54.00; wing 17.50; tail 

 8.00, etc. (Described from Sennett's and Merrill's Texas specimens. Young unkuo\ra to 

 me.) A fine large hawk of the warmer parts of America, lately ascertained to reach the 

 Rio Grande of Texas; it is very unlike any other of this country. 



514, B. coo'peri ? (To Dr. J. G. Cooper.) Cooper's Buzzard = Archibuteo ferrugineus ? " Head, 

 neck, and whole lower parts white ; feathers of the head and neck with medial longitudinal 

 streaks of black, the white prevailing on the occiput and superciliary region, the black pre- 

 dominating over the cheeks, forming a "mustache; " throat with fine lanceolate blackish 

 streaks ; sides of the breast with broader, more cuueate markings of the same ; flanks with 

 narrow, lanceolate stripes, these extending sparsely across the abdomen ; tibiae and lower tail- 

 coverts immaculate, the inner face of the former with faint specks. Upper plumage in general 

 dark plumbeous-brown, inclining to black on the back; plumbeous clearest on primaries, 

 which are uniformly of this color, the inner ones inclining to fine cinereous. Scapulars and 

 wing-coverts spattered with white beneath the surface. Rump black ; upper tail-coverts 

 white, tinged with rufous, and with irregular, distant, transverse bars of blackish. Tail with 

 light rufous prevailing, but this broken up by longitudinal daubs and washes of cinereous, 

 and darker mottlings running longitudinally on both webs; basally, the ground-color 

 approaches white ; tips white, with a distinct but very irregular subterminal bar of black, into 

 which the longitudinal mottlings melt; outer webs of lateral featliers entirely cinereous, and 

 without the black band. Under side of the wing white, with a large black space on the lining 

 near the edge ; under surfaces of prhnaries white anterior to their emargination, finely mottled 

 with ashy and with indistinct transverse bands terminally- 4th quill longest ; 3d shorter than 

 5th; 2d equal to 6th ; 1st equal to 10th. Wing 15.75 ; tail 9.10 ; tarsus 3.25 ; middle toe 1.70." 

 Santa Clara Co., Cala., one specimen known, probably the last as well as the first ; for I 

 suppose this to be Archibuteo ferrugineus (with or without a mesalliance of Bufeo horealis), 

 with abnormally denuded tarsi. I have carefully examined the type specimen, but copy Mr. 

 Ridgway's description in preference to constructing a new one. 



615. B. har'lani. (To Dr. R. Harlan.) Harlan's Buzzard. "Black Warrior." "Form 

 strong and heavy, like B. horealis, but still more robust; tibial plunios unusually developed, 

 long and loose, their ends reaching to or beyond tlie base of the toes; lateral toes nearly equal. 

 Four outer primaries with inner webs cut. Wing 14.25-15.75 ; tail 8.80-10.00 ; culmen 1.00 ; 

 tarsus 2.75-3.25 ; middle toe 1.50-1.70. Nearly uniform black, varying from a sooty to a 

 carbonaceous tint, with more or less of concealed pure white. Adult: Tail confusedly mottled 

 longitudinally with grayish, dusky, and white, often tinged or mixed with rufous, the diff"erent 

 shades varying in relative amount in difi"ereut individuals; a subterminal band of black. 

 Young: Tail grayish-brown, crossed by about 9 very regular and sharply defined broad bands of 

 black about equal in width to the gray ones." (Ridgway.) La. and Tex. to Kas. ; an obscure 



