THE RAPTOIIES OF THE PUNJAB. 



i39 



Key to the Specie^' of the Bapiores. 



Characteristics. 



15. 



Nbophkon 



Aquila 



D. ^ HiERAETUS 

 )> .. 



ictinaeius 

 Spizaetus 



L Archibuteo 

 E. Elan us 



f MiLVUS 



F. ^ 



Haliastur 

 Fekni.s 



BUXEO 



. G. himalayensi!' 



. G. indicus 



. G. tenuirostris 

 . N. (/inginianus 

 . N. percnopterus 

 A. chrysa'etus 



. A. heliaca 



.A. bifasciata . . a 



.A. vindhiana . . a, 



. A. maculata 

 , H. fascia fits 

 . If. pennatus 

 . I. malayensis 

 . S. limnaetus 



.S. nepalensis 



A. hcmiptilopus 

 . E. cceruleus 

 . M. yooinda 



primary longest ; lower plumage 



with narrow shaft stripes. 

 a. As for G. /ulcus; b. 4th pri- 

 mary longest; lower plumage 



with hroad shaft stripes, 

 a. Smaller, wing 22-25'5" ; b. 



crown of head with scattered 



hairs, 

 a. As for G. indicus ; b. crown of 



head naked, 

 a. till yellow in adults; length 



about -24". 

 a. Bill dark horny at all ages, 



length about 26 inches, 

 a. Nostril elliptical, higher than 



broad ; b. tarsus 4'' in length ; 



c. hind claw over '2h". 

 a. As for A. chiysaetus; b, tarsus 



under 4"— 3-5" to 3-85". 

 a. and b. As for A. chrysaetus ; c. 



hind claw well under 'J'. 



As for A. chrysa'etus ; b. tarsus 



2-75" to 3-25". 



Nostril round 



Much larger 



Smaller, wing 14-16^" 

 . As for genus. 



. a. Feathering of tarsus does not 



extend to division oi toes ; b. 



crest rudimentary. 

 . a. Feathering of tarsus extends to 



basal portion of mid-toe ; b. 



crest 3' to 4". 

 . As for genus. 



a. 



a. 

 a. 



as broad as high, 

 wing 19-21". 



As for genus. 



or rufous with 

 in adults ; b. 



, M, melanotis 



M. migrans (rare) 



R. indus 

 . P. cristatus 

 . B. fcro.i: 



I 



a. Head tawny 



black streaks 



length 24" or under, 

 a. As for M. yocinda ; b. length 



about 25" or over, 

 a. Head whitish with black streaks ; 



b. length about 23". 

 As for genus. 

 As for genus. 

 a. Wing over 16"; b. tarsus half 



feathered, naked part in front 



scutellate. 



