Dicæum xanthopygium Tweeddale, Ann. & Mag. Nat. Hist. (1877),
20, 95; Proc. Zool. Soc. (1877), 698, pl. 73, fig. 1; Sharpe,
Cat. Birds Brit. Mus. (1885), 10, 40; Grant, Ibis (1895), 454
(critical notes); Whitehead, Ibis (1899), 234; McGregor and
Worcester, Hand-List (1906), 97.
Luzon (Everett, Whitehead); Marinduque (Steere Exp.?) [85] Mindoro
(Steere Exp., Bourns & Worcester, McGregor); Polillo (McGregor).
Male.--Rump bright lemon-yellow, otherwise scarcely different from
the male of D. dorsale. A male from Mindoro measures: Wing, 47; tail,
19; culmen from base, 10; bill from nostril, 7; tarsus, 11.
Female.--Rump pale lemon-yellow, otherwise similar to the female of
D. dorsale. A female from Mindoro, wing, 46; tail, 20; culmen from
base, 10; bill from nostril, 6; tarsus, 11.
"Two males average: Length, 82; wing, 47; tail, 21; culmen, 13;
tarsus, 12; middle toe with claw, 13. Iris dark brown; bill, legs,
feet, and nails black." (Bourns and Worcester MS.)