_Turdus obscuras_ Gmelin, Syst. Nat., 1, 1789, p. 816. (Type
locality, Lake Baikal.)
_Turdus obscuras_ Hartlaub and Finsch, Proc. Zool. Soc. London,
1872, pp. 89, 96 (Pelew); Finsch, Journ. Mus. Godeffroy, 8, 1875,
pp. 5, 22 (Palau); Kuroda, in Momiyama, Birds Micronesia, 1922, p.
66 (Pelew).
_Merula obscura_ Wiglesworth, Abhandl. und Ber. Zool. Mus.
Dresden, no. 6, 1890-1891 (1891), p. 39 (Pelew).
_Turdus obscuras obscuras_ Hand-list Japanese Birds, rev., 1932,
p. 177 (Koror); Hand-list Japanese Birds, 3d ed., 1942, p. 197
(Koror); Mayr, Birds Southwest Pacific, 1945, p. 302 (Palau).
_Geographic range._--Breeds in northeastern Asia. Winters south to
Malaysia. In Micronesia: Palau Islands--Koror.
_Remarks._--The Dusky Thrush is considered to be a casual winter visitor
to the Palau Islands. It was first taken there by Captain Heinsohn,
according to Hartlaub and Finsch (1872:96).
=Psamathia annae= Hartlaub and Finsch