36 



FALCONID^. 



the head and wings are brownish-black : the throat is 

 yellowish-white, without spots ; the sides of the belly 

 are slightly tinged with ashy-red : in other respects 

 the plumage resembles that of the male. 



GENUS XXII.— GAMPSONYX, Vigors. 



Rostrum breve; mandibulce 

 integrse ; nares rotundatas. 



Alee breves; remex secunda 

 longissima, tertia secundse 

 fere aequali ; primae et se- 

 cundae pogonio interno for- 

 tit^r prope apicem emar- 

 ginato. 



Cauda mediocris, sequalis. 



Pedes mediocres ; tarsi reti- 

 culati ; acrotarsia infra 

 genu usque ad medium 

 Dlumata. 



Bealc short; mandibles en- 

 tire ; nostrils rounded. 



Wings short ; the second 

 quill longest; the third 

 nearly even with the se- 

 cond ; the inner web of the 

 first and second strongly 

 emarginated towards the 

 tip. 



Tail short, equal. 



Legs moderate ; tarsi reti- 

 culated ; acrotarsia fea- 

 thered to the middle. 



Sp. 1 . Ga. Swainsonii. Zool. Jour. ( Vigors.) v. ii. 69. 

 Ga. superne cinereo-niger, subtus alhus ; f route , genis, ahdomin 



lateribus, plumisque Jemoralibus aiirantiacis, macidd pectora 



utrhique nigra. 



Gampsonyx above ashy-black, beneath white ; with the forehead, 

 cheeksj sides of the abdomen and femoral feathers orange, and 

 a black spot on each side of the breast. 



Inhabits Brazil : discovered by Mr. Swainson. 

 Length barely nine inches and a half : beak black : 

 the feathers of the back and scapulars ashy-black, 

 spotted with rust-colour : the lower part of the sides 

 and nuchal collar white, slightly variegated with 



