32 FALCONIDJE, 



Sp. 4. Ac. Pennsylvanicus. — Slate-coloured Falcon. Lath. Hist. 

 i. 280. 



Ac. supra schistaceus nigro maculatus, subtus rufo alboque varius; 

 superciliis guldque albis ; caudd subfurcal ajasciis quatuor nigris, 

 apice albo. 



Sparrowhawk above slate-colour spotted with black, beneath va- 

 ried with rust-colour and white ; with the eyebrows and threat 

 white, the tail somewhat forked ; with four black bands and a 

 white tip. 



Falco Pennsylvanica. Wils. Amer. Om. v. iii. pi. 46. J". 1. 

 Temm. PL Col. 67. 



Inhabits North America. Allied to the last. 

 Length (of the male) thirteen inches : beak blue- 

 black ; cere and sides of the mouth dull green : eye- 

 lids yellow ; irides fiery orange : plumage above slate- 

 colour : primary quills brown-black, and, with the 

 secondaries, barred with dusky ; scapulars spotted 

 white and brown : shafts of all the feathers on the 

 upper parts black : over the eye a dull white streak : 

 chin white, with very fine black markings : breast and 

 belly varied with rust-colour, and transverse spots of 

 white : thigh the same : vent pure white : tail slightly 

 forked, brownish ash-colour, crossed with four broad 

 black bands tipped with white, and is three inches 

 longer than the wings : legs long, very slender, fine 

 orange-yellow ; claws black, large and sharp. 



Sp. 5. Ac. virgatus. 



Ae. supra, cceruleo cincreus, collo anticc, pectoris medio, abdomine 



tectricibusque hiferioribus caudd albis ; caudd cequalis Jcisciis 



tribus nigris. 

 Sparrowhawk above ashy-blue, with the fore part of the neck, 



the middle of the breast, the abdomen, and lower tail-coverts 



white ; the tail even, with three black bands. 

 Falco virgatus. Reintv. Temm. PI. Col. 109. 



