260 FALCON. 



201.— RED-THROATED FALCON. 



Falco fonnosus, Lid. Orn. i. p. 38. Shaic' s Zool, y'u. 159. 



Falco aquilinus, Gm. Lin. i. 280. 



Falco nudicollis, JDaud. Orn. ii. p. 79. & 177. 



Petit Aigle d'Amerique, Buff. i. 142. PL enl. 417. 



Red-throated Falcon, Gen. Syn. i. p. 97. Id. Sup. p. 26. Nat. Misc. pi. 485. 



LENGTH of one, supposed to be a male, near 18 in. Bill 

 blue, sti'ait, except at the end, where it is bent ; cere, and round 

 the eye, yellow ; irides orange ; throat and neck purplish red, and 

 veiy sparingly covered with slender feathers ; upper parts of the 

 body reddish blue ; belly and vent reddish white ; legs yellow ; 

 claws black. 



The other sex measures 23 in. Bill yellow ; base and cere 

 dusky ; eyelids furnished with strong black lashes ; throat and sides 

 of the head nearly bare, being sprinkled mth narrow, slender 

 feathers like hairs ; the skin of a dirty purple ; general colour of the 

 plumage glossy blue, appearing in some lights greenish black ; 

 belly and thighs white; tail lOin. long, even at the end ; legs yel- 

 low ; claws black. 



This is a most beautiful species, and inhabits Cayenne, and other 

 parts of South America. 



