"Iris purple; legs and feet deep purple; nails brown. Five birds from Samar and Siquijor average: Length, 235; wing, 122; tail, 83; culmen, 19; tarsus, 19; middle toe with claw, 26. A female from Mindanao is larger, measuring: Length, 250; wing, 127; tail, 94; culmen, 17; tarsus, 19; middle toe with claw, 28." (Bourns and Worcester MS.) 25. PHAPITRERON ALBIFRONS McGregor. BOHOL WHITE-EARED PIGEON. Phabotreron brevirostris Salvadori, Cat. Birds Brit. Mus. (1893), 21, 69 (part). Phapitreron albifrons McGregor, Phil. Jour. Sci. (1907), 2, sec. A, 317. Li-mú-con, Bohol. Bohol (Steere Exp., McGregor); Siquijor (Bourns & Worcester, Celestino). Adult male (type).--General color brown, much darker above, with iridescent reflections most pronounced on nape, mantle, and breast; merging rather abruptly into dark gray of crown; occiput, nape, and sides of head ruddy brown; from gape a narrow brown line passing below eye with a wider white line underneath, both lines reaching beyond ear-coverts; chin white, gradually changing to gray on throat and ochraceous on breast and abdomen; under tail-coverts and a wide band at end of tail pale french-gray; wings uniform with the back; primaries with a narrow light brown edge on outer webs; with the bird held toward the light the occiput and nape are glossed with green, followed by a patch of metallic blue, this followed on interscapulars by a wide band of metallic green extending to sides of neck and narrowly bordered behind by blue; the wings and remaining upper parts have a dull green gloss; with the bird held away from the light the green changes to purple and this metallic color shows also on throat, breast, and sides of neck. Length, 234; wing, 122; tail, 81; culmen from base, 16; tarsus, 17. Female.--Similar to the male. In this species the terminal half of bill is black; basal half of bill, skin around eyes, and feet dull crimson; iris brown; nails gray. Egg.--A hard-shelled egg was taken from a female killed on June 7, 1906; another egg, obtained in the same manner four days later, measures 27 by 21 and is pure white in color. This species is most closely related to P. brevirostris but it differs in having a white forehead and brown subocular line. Subfamily PTILOPODINÆ. Forest inhabiting pigeons of medium size; upper surface rich green; no band across lower back. Genera. a1. First primary abruptly attenuated. b1. Tail rather long; pectoral feathers not bifurcated. ... Leucotreron (p. 37) b2. Tail moderate; pectoral feathers bifurcated. ... Lamprotreron (p. 40) a2. First primary not so abruptly attenuated; slightly narrowed at tip. ... Spilotreron (p. 41) Genus LEUCOTRERON Bonaparte, 1854. First primary with both webs greatly reduced in width near the tip; tail square; tarsus feathered for more than half its length. Forest inhabiting pigeons of medium size. Species.