^4i FALCONING. 



Genus IX. CIRCUS. HARRIER. 



Bill short, attenuated and compressed towards the 

 end, its upper outline sloping to the edge of the cere, 

 then curved so as to form less than the fourth of a circle ; 

 tarsi long and slender, with large scutella before and be- 

 hind ; plumage very soft ; a ruff of recurved feathers 

 from behind the eye to the chin. P. 285. 



HEAD OF FEMALE CIRCUS CYANEUS. 



1. C. c^ruginosus. Moor Harrier. — Dark umber or cho- 

 colate brown. The adult with more or less white on the 

 head. P. 289. 



2. C. cyaneus. Commm or Ring-tailed Harrier. — Tail 

 about two inches beyond the wings, the third and fourth 

 quills almost equal. Male light bluish-grey. Female um- 

 ber-brown above, pale reddish-yellow with brown streaks 

 beneath. P. 298. 



3. C. cineraceus. Montagus Harrier. — Tail of the same 

 length as the wings, the third quill much longer than tlie 

 fourth. Male light bluish-grey, the wings with a black 

 band. Female umber-brown above, pale red beneath. 

 P. 314. 



