Part 243

b1. Under parts not entirely yellow; sides of breast and of abdomen whitish, ashy gray, or plumbeous.

c1. Median yellow line on breast and abdomen obsolete or wanting; breast and abdomen white or very pale gray.

d1. Smaller; wing, 53 mm. or less; culmen from base, 12 or less; forehead duller and less extensively yellow.

e1. Lighter and more yellow above; ear-coverts lighter and more yellowish. ... meyeni (p. 615) e2. Darker and less yellow above; ear-coverts darker and more greenish olive.

f1. Smaller.

g1. Smaller, with no dusky shade under the eye. ... whiteheadi (p. 615) g2. Larger, with a dusky shade under the eye. ... vulcani (p. 616)

f2. Larger. ... halconensis (p. 616)

d2. Larger; wing, about 58 mm.; culmen from base, 14; forehead much brighter yellow. ... batanis (p. 616)

c2. Median yellow line on breast and abdomen well developed; sides cinereous or ashy gray.

d1. Without a distinct blackish line under the eye; upper parts more yellowish.

e1 Smaller; sides of breast lighter gray; forehead more yellow. ... siquijorensis (p. 617) e2. Larger; sides of breast darker gray; forehead less yellow. ... boholensis (p. 617)

d2. With a distinct dusky line under eye; upper parts more greenish.

e1. Lores yellow. ... everetti (p. 618) e2. Lores dusky. ... basilanica (p. 618)

b2. Under parts entirely yellow.

c1. Greatest width of white eye-ring 3 mm. ... meyleri (p. 618) c2. Greatest width of white eye-ring about 1.5 mm.

d1. Upper parts yellower; under parts brighter and yellower.

e1. Larger; wing, about 55 mm.; a distinct black line under eye to base of bill. ... richmondi (p. 619) e2. Smaller; wing, about 50 mm.; dusky line under eye less distinct and not reaching the base of bill.

f1. General color duller. ... luzonica (p. 619) f2. General color brighter; lores and frontal band brilliant golden yellow. ... aureiloris (p. 619)

d2. Upper parts greener; under parts paler and, except on chin and throat, slightly greener; eye-circle interrupted in front by a small black spot. ... nigrorum (p. 620)

a2. Eye without a circle of white feathers; chin and fore throat very pale cream-buff; wing more than 65 mm.

b1. Larger; bill more slender; front half of head olive-green. ... goodfellowi (p. 620) b2. Smaller; bill stouter; front half of head grayish brown. ... malindangensis (p. 621)

606. ZOSTEROPS MEYENI Bonaparte.

MEYEN'S SILVEREYE.

Zosterops meyeni Bonaparte, Consp. Genera Avium (1850), 1, 398; Gadow, Cat. Birds Brit. Mus. (1884), 9, 180; Grant, Ibis (1895), 452; Whitehead, Ibis (1899), 231 (habits); McGregor and Worcester, Hand-List (1906), 95.

Cu-sil-sil, Benguet; ti-tit, Calayan.

Banton (Celestino); Calayan (McGregor); Lubang (McGregor); Luzon (Meyen, Steere Exp., Möllendorff, Bourns & Worcester, Whitehead, McGregor, Bartsch); Verde (McGregor).

Male.--Above olive-yellow, brighter and yellower on forehead and tail-coverts; rectrices and wing-feathers brown and, except first alula feather and first primary, edged with olive-yellow on outer webs; primaries, secondaries, and rectrices edged with white on inner webs; a narrow ring around eye silky white, below this slightly dusky; lores olive-yellow; sides of head and neck like back; chin, throat, chest, and crissum light lemon-yellow; breast and abdomen white, very faintly drab-gray on sides and with a wash of yellow on median line; thighs, lining of wing, and axillars white faintly washed with yellow. A male from Manila measures: Length, 100; wing, 52; tail, 36; culmen from base, 12; bill from nostril, 7; tarsus, 16.

Female.--Similar to the male. A female from Nueva Ecija Province, Luzon, measures: Wing, 52; tail, 36; culmen from base, 12; bill from nostril, 7; tarsus, 16.