_Drepanis cinerea_ Kittlitz, Kupfertaf. Naturgesch. Vögel, 1, 1832,
p. 6, pl. 8, fig. 2. (Type locality, Ualan = Kusaie.)
_Drepanis cinerea_ Kittlitz, Mém. Acad. Imp. Sci., St.
Pétersbourg, 2, 1835, p. 4, pl. 5 (Ualan); _idem_, Obser. Zool.,
in Lutké, Voy. "Le Séniavine," 3, 1836, p. 285 (Ualan);
Reichenbach, Syn. Avium, 1853, p. 242 (Ualan); Kittlitz, Denkw.
Reise, russ. Amer. Micron. und Kamchat., 1, 1858, p. 367 (Ualan).
_Zosterops cinerea_ Hartlaub, Archiv f. Naturgesch., 18, 1852, p.
131 (Ualan); Gray, Cat. Birds Trop. Is. Pacific Ocean, 1859, p. 16
(Oualan); _idem_, Hand-list Birds, 1, 1869, p. 163 (Caroline =
Kusaie); Hartlaub and Finsch, Proc. Zool. Soc. London, 1872, p. 96
(Ualan); Finsch, Journ. Mus. Godeffroy, 12, 1876, p. 27 (Ualan);
_idem_, Ibis, 1881, pp. 107, 108 (Kuschai); Gadow, Cat. Birds
British Mus., 9, 1884, p. 198 (Kushai); Tristram, Cat. Birds,
1889, p. 210 (Kuschai); Wiglesworth, Abhandl. und Ber. Zool. Mus.
Dresden, no. 6, 1890-1891 (1891), p. 36 (Ualan); Hartert, Kat.
Vogelsamml., Senckenb., 1891, p. 31 (Ualan); Oustalet, Nouv. Arch.
Mus. Hist. Nat. Paris, (3), 7, 1895, p. 208 (Oualan); Finsch, Das
Tierreich, no. 15, 1901, p. 45 (Kusaie); Dubois, Syn. Avium, 1,
1902, p. 713 (Kusaie); Takatsukasa and Kuroda, Tori, 1, 1915, pp.
55, 64 (Kusaie); Wetmore, in Townsend and Wetmore, Bull. Mus.
Comp. Zoöl., 63, 1919, p. 224 (Kusaie); Stresemann, Mitt. Zool.
Mus. Berlin, 17, 1931, p. 230 (Kusaie); Hand-list Japanese Birds,
rev., 1932, p. 173 (Kusaie); Hand-list Japanese Birds, 3d ed.,
1942, p. 192 (Kusaie).
_Dicaeum cinereum_ Hartlaub, Journ. f. Ornith., 1854, p. 168
(Carolinen = Kusaie).
_Zosterops cinereus_ Finsch, Journ. Mus. Godeffroy, 8, 1875, p. 17
(Ualan); idem, Journ. f. Ornith., 1880, pp. 286, 297, 300
(Kuschai); _idem_, Mitth. Ornith. Ver. Wien, 1884, p. 48
(Kuschai).
_Zosterops Kittlitzi_ Finsch, Journ. f. Ornith., 1880, p. 300
(Type locality, Kusaie); Reichenow and Schalow, Journ. f. Ornith.,
1881, p. 94 (Kusaie?).
_Tephras cinereus_ Matschie, Journ. f. Ornith., 1901, pp. 111,
112, 113 (Ualan).
_Tephras cinerea_ Kuroda, in Momiyama, Birds Micronesia, 1922, p.
77 (Kusaie); Mathews, Syst. Avium Australasianarum, 2, 1930, p.
712 (Oualan).
_Zosterops cinerea cinerea_ Mayr, Amer. Mus. Novit., no. 1269,
1944, p. 7 (Kusaie?); _idem_, Birds Southwest Pacific, 1945, p.
300 (Kusaie).
_Geographic range._--Micronesia: Caroline Islands--Kusaie.
_Characters._--Adult: A small, dusky white-eye with upper parts
smoky olivaceous-gray; lores dingy white; auriculars brownish; no
white orbital ring; wing and tail feathers dark brownish-gray with
paler greenish-gray outer edges; underparts pale ashy-gray, chin
lighter, flanks darker; bill black; feet light brown; iris brown.
_Measurements._--Measurements of _Z. cinerea_ are listed in table
51. Males and females have approximately equal measurements.