FaLcons. RAPACES. FALCO. 41 
cularly the middle one, colour gamboge-yellow. Claws 
black, hooked and strong. The wings, when closed, 
reaching to the end of the tail. 
Pratt 15 *. Represents an immature bird, and of the size eae 
of nature ; indicating a change of plumage, by a few tion. 
grey feathers upon the back and scapulars. The crown Young 
of the head, and upper parts blackish-brown, the occi- 
put with a few white feathers. Chin and under part of 
the neck white, with black streaks. Breast, belly, and 
thighs white, with oblong cordated blackish-brown spots. 
Tail barred with bluish-brown and black. Legs and 
toes inclining to leek-green. 
Hobby.—F alco subbuteo, Linn. 
PLATE 6. 
Falco subbuteo, Lath. Ind. Ornith. 1. p. 47. 114.—Gmel. Syst. 1. p. 283.— 
Raii, Syn. p. 15. A. 14. 
Dendro falco, Briss. 1. p. 375. 20.—Id. 8vo. p. 109. Will. p. 47. 
Le Hobereau, Buff: Ois. 61. p. 277.—Id. Pl. Enl. 432. 
Faucon Hobereau, Temm. Man. d’Ornith. 1. p. 25. 2 ed. 
Baum-falke, Bechst. 'Tasschenb. Deut. 1. p. 36. 
Hobby, Br Zool. 1. No. 61.—Arct. Zool. 2. p. 227. C.—Will. (Ang.) p. 83. 
—Lewin’s Br. Birds. 1. t. 21.—Lath. Syn. 1. p. 103. 90.—J0. Sup. p. 28. 
—Mont. Ornith. Dict. Jd. Sup. Pult. Cat. Dorset. p. 3.—Don, Br. 
Birds, 4. p. 91.— Wale. Syn. 1. t. 21.—Bewick’s Br. Birds, 1. p. 41.— 
Shaw’s Zool. v. 7. p. 193. 
In England, this species of Falcon is among the number 
of those birds that are named Polar Migrants, or summer Periodical 
gas 546 ‘ ; 6 Visitant. 
periodical Visitants. It arrives in April, and after perform- 
ing the offices of incubation, and of rearing its young, leaves 
us, for warmer latitudes, in October. I have not been able 
to trace it far northward, and believe that the boundary of its 
migration will include but a few of the southern and midland 
counties. 
Wooded and inclosed districts appear to be its usual haunts. Haunts. 
It builds in lofty trees, but will sometimes save itself the task Nest, &c. 
