236 JOURNAL, BOMB Al NATURAL HIST. SOCIETY, Vol. XX V. 



Type G. . .Genera ■{ 



Circus 



ASTUK 

 ACCIPITEII 



Type H. . .Genera 



Faloo 



TlNNUNUULUS 



f C. cyaneus. The Hen Harrier. 

 Species. ■{ C ceruginosus, The Marsh 

 t Harrier. 



C A. palumbarms, The Goshawk. 

 " \ A. badius, The Shikra. 



t Ac. nisus, The Sparrow-Hawk. 

 ,, } Ac. virgatus, The Besra 

 { Sparrow-Hawk. 

 ' F. peregrinus, The Peregrine 



Falcon, 

 F. peregrinator, The Shahin 



Falcon. 

 F. barbarus, The Barbary 

 Falcon. 

 «( F.jugger, The Laggar Falcon. 

 F. cherug, The Saker Falcon. 

 F. milvipes, The Shanghar 



Falcon. 

 F. subbuteo, The Hobby. 

 F. severue. The Indian 

 L Hobby. 



IyE. regulus, The Merlin. 

 JE. chicquera, The Turiimti 

 or Red-headed Merlin. 

 T, alaudarius, The Kestrel. 



Keij to the Types of Raptor es. 



lype. 

 A. Size medium 



B. Size very large 



C. Very large to medium 



D. Do. do. 



E. Large 



F. Medium to small 



G. Large to small 



H. Small . . 



Characteristics. 

 a. Head feathered ; b. tarsi naked ; c. 



outer toe reversible ; d. no aftershaft 



to contour feathers, 

 a. Head feathered ; b. tarsus feathered ; 



e. beard of rough bristles depending 



from the chin, 

 a. Head naked or covered with down: 



b. tarsus naked, 

 a. Head feathered ; b. tarsus feathered to 



the toes back and front. 

 a. Head feathered ; b. tarsus feathered 



to the toes in front onl\'. naked 



behind, 

 a. Head feathered ; b. tarsi feathered, in 



front, for about half its length, or more, 



naked behind, 

 a. Head feathered ; b. tarsi feathered, in 



front, for less than half its length, or 



only at the base, naked behind, 

 a. and b. As for F. (f.) a sharp pointed 



tooth on the cutting edge of the upper 



mandible. 



