Stoparola nigrimentalis Grant, Bull. Brit. Orn. Club (1894), 3,
50; Ibis (1894), 507, pl. 14, fig. 2; Whitehead, Ibis (1899),
110; Sharpe, Hand-List (1901), 3, 286.
Eumyias nigrimentalis McGregor and Worcester, Hand-List (1906), 76.
Luzon (Whitehead, Worcester, McGregor); Mindoro (Whitehead).
Adult (sexes alike).--General color verditer-blue, darker above;
silvery on forehead, over eyes, and on under parts; forehead, lores,
jaw, chin, and line around eye black, forming a mask; abdomen and
crissum white, the latter washed with pale ocherous; thighs black,
the feathers tipped with white; wings and tail brownish black, the
outer webs of the feathers verditer-blue. Iris dark brown; bill, legs,
and nails black. Length, 145 to 150. A male measures: Wing, 73; tail,
62; culmen from base, 12; bill from nostril, 8.5; tarsus, 18. A female,
wing, 71; tail, 60; culmen from base, 12; bill from nostril, 8.
Nestling.--Above blackish, each feather tipped with rusty yellowish
brown; below ocherous or dark buff, the feathers edged with black;
middle of abdomen white; the slightly developed primaries, secondaries,
and rectrices brownish black edged with blue, as in the adult;
wing-coverts like the back.