Zosterops siquijorensis Bourns and Worcester, Minnesota
Acad. Nat. Sci. Occ. Papers (1894), 1, 21; Grant, Ibis (1896),
551; Whitehead, Ibis (1899), 232 (habits, distribution); McGregor
and Worcester, Hand-List (1906), 95.
Bu-lai-og', Siquijor.
Negros (Whitehead, Celestino); Siquijor (Bourns & Worcester,
Celestino).
Male and female.--Above bright olive-yellow similar to Z. meyeni, but
with a well-marked, yellow, frontal band; lores yellow; a faint dusky
line under eye; below similar to Z. meyeni, but with a well-developed
median line of lemon-yellow; sides of breast and of abdomen pale ashy
gray. A male from Siquijor measures: Wing, 54; tail, 42; culmen from
base, 12; bill from nostril, 8; tarsus, 17. A female, wing, 54; tail,
39; culmen from base, 13; bill from nostril, 8.5; tarsus, 16.