Head and under parts grayish choeolate brown, darker on the belly, and undeer tail-coverts dark grayish brown. The rest of the upper parts dark sepia brown, wing and takl ldaekish. A great white patch at the base of the primaries except the outer web of the first one, whieh is blackish brwown. Under wing-eoverts and axillaries blackish brown. The odage of the head, breast and wing feathers bleaching. Bill black, legs and fcet black and iris dark brown. Culmen 5.1cm., wing 35.5 cm., tarsus 5.9cm.
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