348 FALCOXID-E. 



on forehead and sides of face scaly, the lorea greyish, the cheeks 

 with narrow black shaft-lines, widening towards the tip ; entire 

 under surface of body white, with distinct longitudinal shaft-lines 

 of blackish brown, broader on lower throat and sides of the latter, 

 and thus forming an irregular streak on these parts ; under wing- 

 coverts pure white, the outermost greater coverts greyish brown 

 towards their tips ; upper wing-coverts brown, like the back, the 

 lesser ones margined with fulvous, the median and greater series 

 tipped with white and barred with darker brown ; quills dark 

 brown, the secondaries paler and more broadly tipped with whity 

 brown than the primaries ; all the quills barred with darker brown, 

 the inner secondaries with conterminous narrow bars of white, the 

 interspaces ashy white below, showing the cross bars in strong 

 relief; upper tail-coverts brown, with distinct white bars of un- 

 equal width ; tail brown, the base white, broken up into several 

 bars, the tail crossed with five broad bands of darker brown, all the 

 interspaces much mottled with brown, the penultimate one broader 

 than the others ; feet dingy yellowish white ; iris brownish yellow. 



Intermediate stage. Entire head and neck aU round, as well as 

 the whole of the under surface, tawny brown, with distinct black 

 shaft-streaks, the breast-feathers white at base, those of the ab- 

 domen and under and upper tail-coverts with broad terminal margins 

 of whitish ; feathers round the eye and lores slightly greyish, and 

 the hinder cheeks marked with black, forming an ill-defined lateral 

 throat-stripe; an occipital crest 1-5 inch long; general colour of 

 back and wing-coverts purplish brown, deeper than the head, all 

 the feathers margined with paler brown ; primaries dark brown, 

 with blackish brown cross bands, plainer and more numerous on the 

 secondaries, which are paler brown, the under surface of the mug 

 whitish on inner web, the bars much broken up and irregular ; tail 

 ashy brown, tipped with whity brown, and crossed with three distinct 

 bars of blackish brown, all the interspaces likewise mottled with 

 bars of pale brown and dull whity brown. 



Obs. Great variation exists in the tone of this intervening stage, 

 the colour varying from tawny to fulvous brown, while the extent 

 of black stripes on the throat is also a very variable character. 



Adult. General colour above and below rich chocolate-brown, 

 with indistinct black shaft-stripes, the crown and sides of head, as 

 well as the throat, ashy grey, the lower throat blackish ; quills and 

 tail much as in foregoing description, but the interspaces of each 

 more or less shaded with ashy, and the mottlings on the latter very 

 much reduced ; cere black, greenish at nostrils and towards com- 

 missure ; gape and greater portion of lower mandible pale blue, rest 

 of bill black, with a small dingy greenish patch on each side of 

 lower mandible towards base ; feet beeswax-yellow ; iris brilliant 

 yellow. Total length 24 inches, culmen 1-65, wing 16-5, tail 11-5, 

 tarsus 2-1. 



Hah. Indian peninsula, Ceylon, Burmah, Malay peninsula, Java, 

 Sumatra, Banka. 



