AVES FALCONID/E. 



627 



fuses the barring ; scapulars smoky blue-black ; all the upper wing-coverts 

 (in this particular individual) barred; the least and median series with 

 ashy brown on a grey or silvery ground ; the greater series smoky blue- 

 black with distinct bars of ashy grey and smoky blue-black of about even 



Fig. 316. 



,,/t|)\\i, ,.,...-4 



Butco viclanokucus. Tail from below. Adult male. About one-half natural size. 



width ; here as on the inner secondaries there is a brownish wash or tinge 

 on the inner feathers of the series (the greater coverts in some individuals 

 are clear smoky blue-black like the back); under wing-coverts and axil- 

 laries white, very silvery in tone and crossed by many narrow ashy brown 

 bars. 



Lower parts: Chin and throat ashy grey; a broad, well-defined band of 

 smoky blue-black across the breast and chest terminates abruptly and well 



