252 FALCON. 



103— BLACK-NECKED EAGLE. 



Falco nigricollis, In(1.0rn.\. 35. Daud.u. IIK, Slunv'' s ZooL. rn. 167.. 

 Black-necli£cl Falcon, Gen. Si/n.-Sti}}. p. 30. 



LENGTH 23 in. Bill black; plumage in general rufous, barred 

 with black, the bars very narrow on the belly and sides; behind the 

 eye a streak of black ; on the fore part of the neck a patch of the 

 same ; top of the head and neck longitudinally striped with black ; 

 belly shaded with chestnut ; quills black ; end of tlie tail dusky ;: 

 legs yellow. / 



Inhabits Cayenne. , 



194.— jSOTCHED FALCON^^ 



Falco bidentatus, Ind. Ortt.'u 38. Daud.u. 118. 5Aojt)'* Zoo/, vii. 175. 

 Notched Falcon, Gen.Syn.-Sup.^i. Id. Sup. u. 28. 



LENGTH 14 in. Bill brown, the upper mandible furnished 

 with a double notch about the middle, the under yellow ; plumage 

 on the upper parts of the body bluish black ; breast and belly rufous, 

 the latter clouded with white ; vent white ; quills barred with white, 

 the first shorter by an inch and a half than the second, but the fourtli 

 the longest of all : the second and third of nearly the same length ; 

 vmder wing coverts plain white ; tail deep lead-colour, rounded in 



