54 



Plumage above blackish with chestnut mar- 

 gins ; head streaked with black and white ; 

 tail silvery ashy, tinged with rufous, the 

 base and tip white ; below white, with 

 black shaft lines on breast and arrow heads on 

 flanks ; legs bright chestnut barred with 

 black. 

 154. Archibuteo ferrugineus (Licht.), Abh. K. 

 Akad. Wiss. Berl. (Phys. Kl.), 1838, p. 428 

 (1839). [Near' Monteretj, CaL] 

 Ferruginous Rough-leg. 



W. Nortli 

 America, S. 

 to California ; 

 in winter to 

 Lower 



California and 

 N. Mexico. 



Gen. XXXIII. BUTEOLA Bp. (1855). 



Nostrils round, with distinct central tubei*cle ; wing 

 with 3 outer primaries emarginate on inner webs^ 

 the 4th sinuate. 



Size moderate ; length (J (?) 15.5, wing 11.3 

 in. ; $ (?) 16, wing 13 in. Above slaty-black ; 

 tail ashy-bro^vn, tipjied with whitish and 

 with 4 bars of blackish-brown ; sides of face 

 and under surface of body white ; melanistic 

 variety [B. fuUginosa, ScL] immature ?, 

 general plumage sooty-black ; tail brown 

 with 8 blackish bands. 

 155. Buteola brachyura (Vieill.), N. Diet. d'Hist., 

 Nat. iv., p. 477 (1816). [Cayenne]. 

 Short -tailed Buzzard. 



Brazil, 

 Bolivia, 

 Peru, Guiana, 

 N. to Central 

 America and 

 Florida. 



Gen. XXXIV ASTURINA Vieill. (1816). 



Tibia3 long ; feet large and powerful ; nostrils round, 

 with indistinct and concealed tubercle at base of 

 upper margin. Size medium (length 16-18 in.). 



(J 5 above ashy -grey, barred with silvery white, 

 most narrowly on the head and nape, bars be- 

 coming duller and broader on wings ; upper 

 tail-coverts blackish, tipj)ed with white ; tail 

 blackish with a broad white band about Jrd of 

 distance from tip and a second incomplete band 

 on outer feathers ; body below regularly banded 

 with silvery white and slaty grey. 



