Brachypteryx poliogyna Grant, Bull. Brit. Orn. Club (1895), 4,
40; Ibis (1895), 446, pl. 12, fig. 1; Whitehead, Ibis (1899), 216
(habits); Sharpe, Hand-List (1903), 4, 56; McGregor and Worcester,
Hand-List (1906), 83.
Luzon (Whitehead, McGregor); Mindoro (Whitehead).
Male.--Most of the plumage dark slate-blue; middle of abdomen washed
with gray; forehead, lores, ring around eye, jaw, and chin black;
above each eye a concealed patch of soft silky white feathers;
wings and tail black, the feathers edged with slate-blue; bend of
wing white. Iris dark brown; bill, legs, and nails black. Length,
140; wing, 67; tail, 49; culmen from base, 14; bill from nostril, 9;
tarsus, 28; middle toe with claw, 22.
Female.--Entire head, neck, chin, and throat umber or rusty brown,
much darker on crown, lighter on chin and throat; remainder of plumage
slaty blue, similar to the male, but lighter on the under parts and
much grayer on abdomen. Length, 127; wing, 63; tail, 42; culmen from
base, 15; bill from nostril, 8; tarsus, 30; middle toe with claw, 21.