Falco. BXHDS. ACCIPITRES. 4,9 



** Concha of the ear extending only to about one-half of the side of 

 the head. Disc of feathers round the eye less perfect than in the 

 preceding group. 



f Head with horns. 

 Bubo. 



Scops. 



•f-f Head without horns. 

 Stris. 



I. DIURNAL RAPACIOUS BIRDS. 



Gen. VI. FALCO. Falcon. — Bill, with the margin of the 

 upper mandible furnished with a sharp tooth, near the ex- 

 tremity, the lower with a notch for its reception. 



a. With Mustaches, or a black stripe, extending from the 

 base of the bill, under the eye, along the clieeks, and a 

 short way on the side of the neck. 



10. F. pcregrinus. Peregrine Falcon.' — Wings reaching the 

 length of the tail. 



Will. Orn. 43 — F. sacer, Silb. Scot. 14 Peregrine F., Pcnn. 1. 178.— 



Grey F., ib. 180— F. per. Tern. Orn. L 22 — W, Hebog tramor.— In 

 rocky districts not uncommon. 



Length 16|, breadth 37 inches. Bill blue; margin of the eye, cere, irides, 

 and legs, yellow. Plumage, above, blackish-grcy, darkest on the head, lightest 

 on the rump ; with obscure black bars. Throat, neck, and breast, white ; the 

 rest below white, with black bars ; a few longitudinal spots of black on the 

 breast. Middle toe as long as the tarsus. Quills dusky ; inner web of the 

 first abbreviated near the end. Tail-feathers 12, slightly tipt with yellowish- 

 white. Female larger, the white beneath, tinged with red. Nest on rocks ; 

 eggs 3 or 4, reddish, with brown spots. Young birds have the plumage, above, 

 inclining to cinereous; the feathers with a ferruginous border. Beneath, 

 white, with longitudinal spots. Crown, neck, and checks, yellowish-white. 

 Blackish patch under the eye. This species, long celebrated for its docility 

 and activity in the chase, has been multiplied into numerous species, viz. F. 

 toccocephalus, fuscus, communis, and niger. Feeds on the wild Gallinse, chiefly, 

 and even makes havock in the poultry-yard. 



11. F. lanarius. Lanner. — Wings reaching only two-thirds 

 the length of the tail. 



Will. Orn. 48. Linn. Syst. i. 129. Pcnn. Brit. ZooL L 182. tab. rxii. 

 Tern. Orn. i. 20. — W, Hebog gwlanog. — Breeds in Ireland. Caught 

 in a duck decoy, Lincolnshire.— Pennant. 



Length 1 foot 7 inches. Margin of the eye, irides, and cere, yellow ; bill 

 and legs bluish. Crown red, with oblong brown spots. Above each eye, to 

 the hind part of the head, a broad white line ; and beneath each a blackish mark, 

 pointing downwards : the last nearly disappearing with age. Plumage, above, 

 brown with reddish margins ; below, white, with longitudinal brown spots, 

 except the under tail covers and throat. Middle toe shorter than the tarsus. 

 Inner webs of the two first quills abbreviated. In the female the head is dark 

 brown, and the throat and under tail-covers have narrow streaks. 



12. F. Subbutco. Hobby. — Wings reaching beyond the tail. 



Will. Orn. 48. Penn. Brit Zool. L 107- Tern, Ora. L 25.'— W, Hebog 

 yr Iledydd — A summer visitant. 



VOL. I. D 



