10 



FALCONIDxE. 



GENUS VI.—IBYCTER, Vieillot. 



Rostrum supra convexum ; 



mandibula inferior ad api- 



cem emarginata, subacuta ; 



ceroma nudum. 

 Males, gula, jugulumqm 



nudae. 

 Ungues acuti. 

 Caracara. Cuv. 



Beak above convex ; the un- 

 der mandible notched to- 

 wards the tip, rather acute ; 

 ceroma naked. . 



CheeJcsy throat, andjugulum 

 naked. 



Claws acute. 



Of this genus one species only has been disco- 

 vered, which is said to be of mild and gentle manners, 

 and to subsist on food of a vegetable nature. 



Sp. 1. lb. aquilinus. Vieil. Gal. des Ois. pi. 16. — Falco for- 

 mosus. Shavo, v. vii. p. 159. — ShatVj Nat. Misc. pi. 485. — • 

 South America. 



GENUS VIT.— DAPTRIUS, Vieillot. CARACARA. 



Rostrum supra convexum; 

 mandibula irvferior subtus 

 angulosa, ad apicem emar- 

 ginata, obtusa ; ceroma 

 pilis adspersum. 



Orbitce, gula, jugulumque 

 implumes. 



Ungues acuti. 



Beah above convex ; the un- 

 der mandible angulated be- 

 neath, and notched towards 

 the tip, obtuse; ceroma 

 with scattered hairs. 



Orbits, throat, ocoAjugulum 

 naked. 



Claws acute. 



Sp. 1. Daptrius ater. Vieil. Anal, d'une Nouv. Orn. ele. p. 68. — 

 Falco aterimus. Temm, PL Col. 37. 



Da. niger cceruleo nitente, caudd rotundata. basi alba; rostro 

 unguibusque albis ; pedibus Jlavis ; cerd cinereo-nigra. 



Black Caracara glossed with blue, with a rounded tail white at 

 its base ; the beak and claws white ; the legs yellow ; the cere 

 ashy-black. 



