ORDER ACCIPITRES. 51 



White-necked Falcon. F. Isuchauchen, Temm. pi. 

 col. 306. 



Brown above, beneath white ; tail five narrow white 

 bands; eyebrow, and spot on side of cheek, white, 

 banded with black ; front of cheek brown, beneath 

 black ; top of head, occiput, and half collar, black. 

 "Brazil. Length 12 — 14 inches. 



Large-billed Hawk. F. magnirosiris, Gm. pi. Enl. 

 t. 46. pi. col. t. 86, Jun. 



Ashy brown, neck and chest paler ; quills bright red, 

 black banded; tail gray, with four black bands; belly 

 white, reddish-brown banded ; thighs reddish, brown 

 banded. Length fifteen inches. Brazil. Placed with 

 the Sparrow Hawks by several authors. 



Radiated Falcon, Lath. F. radiatus, Lath. Syn. 

 t. 121. pi. col. t. 123. 



Ferruginous, radiately spotted with black ; wings and 

 tail long, brown. New Holland. 



Grey-breasted Hawk. F. poliogaster, Natterer, pi. 

 col. 264, 295, Jun. 



Slaty black, beneath ashy white ; throat white ; tail 

 black, with three gray bands above, and four be- 

 neath. Hen reddish ; wings and back dusky. Brazil. 

 Length 16 — 17 inches. 



Three-streaked Hawk. F. trivirgatus, Temm. pi. col. 

 t. 103. 



Brown ; head and neck black ; cheeks gray ; tail 

 with three dark bands ; beneath white ; throat with 

 three black longitudinal lines : chest and legs with 

 broad brown black-edged bands ; sides of neck brown . 

 Sumatra. 



E2 



