Ceblepyris cærulescens Blyth, Jour. As. Soc. Bengal (1842),
11, 463.
Volvocivora (?) cærulescens Walden, Trans. Zool. Soc. (1875), 9,
178, pl. 30, fig. 2.
Edoliisoma cærulescens Sharpe, Cat. Birds Brit. Mus. (1879), 4,
44; Hand-List (1901), 3, 294; Grant and Whitehead, Ibis (1898),
235, pl. 6, fig. 3 (egg); Whitehead, Ibis (1899), 102 (habits);
Oates and Reid, Cat. Birds' Eggs (1903), 3, 295; McGregor and
Worcester, Hand-List (1906), 77.
Luzon (Meyer, Everett, Möllendorff, Whitehead, Steere Exp.,
McGregor).
Male.--Entire plumage black; head, neck, back, and under parts slightly
glossed with blue; wings very faintly glossed with dark green. Iris
dark; bill, legs, and nails black. Length, about 260; measurements
of four males, wing, 127 to 136; tail, 109 to 127; bill from nostril,
18 to 20; depth of bill at angle of gonys, 8.1 to 8.4.
Female.--Under parts uniform dull smoke-gray; above darker and nearly
black; upper tail-coverts edged with smoke-gray; wings and tail black,
slightly glossed with green. Wing, 125; tail, 115; culmen from base,
23; bill from nostril, 18; tarsus, 21.
The single egg secured by Whitehead in Benguet Province, Luzon,
March 14, 1894, was taken from the bird. The egg is thus described:
"Shape ovate. Ground-color pale blue, spotted and dotted over the
entire shell. Under-markings gray and grayish lilac; over-markings
dark brown. Measurements 29 mm. by 21 mm." (Grant and Whitehead.)