/5. yALOo. .'i75 



Key to the Species. 



a. Tbij^hs particoloured. 



a. Thighs transversely barred with narrow black 

 lines. 



«". Crown of head blackish \'?''''''"'%^^\t^: 



(lies, pp. 376-385. 



6". Crown of head rufous \chicqnera, p 403. 



1 1-nJicolhs, p. 404. 

 h'. Thighs narrowly streaked, or at most marked with 

 a few arrow-head spots of blackish, 

 c". Back uniform above, with a few black shaft- 

 stripes only. 

 «'". Everywhere clear blue-grey, the tail blue- 



gi'ey, with one broad subterminal band regtihis, p. 406. 



b'". Very much smaller and darker ; tail blue- 

 grey, with four black bands, the subterminal 



one much the broadest columharhis, 



d". Back barred across. p. 408. 

 c'". Forehead and nape rufous ; hinder crown 

 bluish grey. 

 a*. Much larger: wing 11-8-12 inches, under- 

 neath with wavy bars babi/lonicus, 



b*. Smaller: wing not exceeding 11-5 inches, p. 387. 



underneath isabelline rufous barbariis, p. 380. 



</'". Forehead blackish, the hinder crown and 

 nape rufous. 

 c*. With a very narrow frontal line of black . . feldegii, p. 389. 

 d*. With a very broad frontal band of black ; " 

 interscapulary region blackish. 

 «\ Sides of body and abdomen with distinct 

 blackish spots ; under surface of body 



buffy white or pale isabelline tamjpterus, p. 391. 



6'. Underneath entirely uniform, deep isa- 

 belline rufous biarmicm, p. 391. 



c'. Thighs and flanks nearly uniform brown, or only 



_ slightly mottled, with pale margins juggur, p. 393. 



b. Thighs perfectly uniform. 



d'. Thighs dull brown ; breast white jttggur, p. 393. 



e'. Thighs sooty brown like breast. 



e". Larger : wing more than 14 inches ; forehead 



and throat whitish subniger, p. 394, 



/". Smaller : wing not 14 inches eleonora, p. 404, 



/". Thighs leaden grey like breast concohr, p, 405, 



g'. Thighs rufous. 



g". Throat and breast white, the latter with black 

 stripes. 



e". Larger : wing ll-8-13*3 inches eleonorce, p. 404, 



/'". Smaller : wing 9-6-10-6 inches mbbuteo, p. 395, 



li . Throat white, breast rufous. 

 g". Chest rufous. 



e^. Sides of crown not different from crown 

 itself. 

 c\ No white forehead. 



a^. With a blue shade above severus, p. 397. 



ft". With a black shade above religiosiis, p. 397. 



d\ Forehead whitish : breast mottled or 

 streaked. 



