Male and female.—Similar to Z. siquijorensis, but the sides of breast and abdomen darker ash-gray or cinereous; white eye-circle interrupted in front by a small dusky spot. The type measures: Length, 119; wing, 60; tail, 43; culmen from base, 12; bill from nostril, 8; tarsus, 15. A female, wing, 51; tail, 36; culmen from base, 12; bill from nostril, 7.5; tarsus, 15.
613. ZOSTEROPS EVERETTI Tweeddale.
CEBU SILVEREYE.
- Zosterops everetti Tweeddale, Proc. Zool. Soc. (1877), 762; Gadow, Cat. Birds Brit. Mus. (1884), 9, 163; Bourns and Worcester, Minnesota Acad. Nat. Sci. Occ. Papers (1894), 1, 57 (critical notes); McGregor and Worcester, Hand-List (1906), 95.
Cebu (Everett, Steere Exp., Bourns & Worcester, McGregor).
Adult.—Very similar to Z. basilanica, but the lores dusky; from Z. siquijorensis and boholensis it differs in having a distinct blackish line under the eye. A male measures: Wing, 53; tail, 37; culmen from base, 12.5; bill from nostril, 8; tarsus, 15. A female, wing, 51; tail, 38; culmen from base, 12; bill from nostril, 7.5; tarsus, 15.
614. ZOSTEROPS BASILANICA Steere.
STEERE’S SILVEREYE.
- Zosterops basilanica Steere, List Birds and Mams. Steere Exped. (1890), 21; Grant, Ibis (1896), 552 (critical notes); (1897), 238; (1906), 473; Whitehead, Ibis (1899), 232; McGregor and Worcester, Hand-List (1906), 95.
Basilan (Steere Exp., Bourns & Worcester, McGregor); Bongao (Everett); Dinagat (Everett); Leyte (Steere Exp., Whitehead); Mindanao (Everett, Koch & Schadenberg, Bourns & Worcester, Goodfellow); Papahag (Bartsch); Samar (Steere Exp., Bourns & Worcester, Whitehead); Sulu (Bourns & Worcester).