_Halcyon cinnamomina_ Sharpe (part), Monogr. Alced., 1868-'71, pp. xxxii, 213, pl. 30 (Pelew); Tristram (part), Cat. Birds, 1889, p. 92 (Pelew). _Dacelo reichenbachii_ Schlegel, Mus. Pay-Bas, 3, no. 39, 1874, p. 29 (Pelew). _Halcyon reichenbachi_ Finsch, Journ. Mus. Godeffroy, 8, 1875, pp. 4, 11 (Palau); Reichenow, Die Vögel, 2, 1914, p. 116 (Palau). _Halcyon cinnamominus_ Finsch (part), Journ. Mus. Godeffroy, 12, 1876, pp. 17, 20 (Palau). _Sauropatis cinnamomina_ Salvadori (part), Ornith. Papuasia, 1, 1880, p. 481 (Pelew). _Halcyon pelewensis_ Hartert, Novit. Zool., 5, 1898, p. 53 (Pelew); Matschie, Journ. f. Ornith., 1901, pp. 112, 113 (Palau); Takatsukasa and Kuroda, Tori, 1, 1915, p. 53 (Pelew); Uchida, Annot. Zool. Japan., 9, 1918, p. 483 (Palau). _Halcyon Reichenbachi_ var. _pelewensis_ Oustalet, Nouv. Arch. Mus. Hist. Nat. Paris, (3), 7, 1895, p. 186 (Pelew). _Halcyon cinnamominus_ var? _pelewensis_ Dubois, Syn. Avium, 1, 1902, p. 108 (Pelew). _Sauropatis reichenbachii pelewensis_ Kuroda, in Momiyama, Birds Micronesia, 1932, p. 60 (Angaur). _Hyposyma cinnamomina pelewensis_ Mathews, Syst. Avium Australasianarum, 1, 1927, p. 385 (Palau). _Halcyon cinnamomina pelewensis_ Hand-list Japanese Birds, rev., 1932, p. 180 (Palau); Hand-list Japanese Birds, 3d ed., 1942, p. 200 (Babelthuap, Koror); Mayr, Birds Southwest Pacific, 1945, p. 293 (Palau); Peters, Check-list Birds World, 5, 1945, p. 206 (Babelthuap, Koror); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, pp. 63, 64 (Peleliu, Ngabad). _Geographic range._--Micronesia: Palau Islands--Kayangel, Babelthuap, Koror, Garakayo, Ngabad, Angaur. _Characters._--Adult: Resembles adult of _H. c. cinnamomina_, but smaller and with underparts white; auriculars with less bluish wash; outer webs of outer tail feathers edged with white. Immature: Resembles immature female of _H. c. cinnamomina_, but smaller with white underparts edged with black on throat, breast, and upper abdomen; outer webs of outer tail feathers edged with white. _Measurements._--Measurements are presented in table 32. _Specimens examined._--Total number, 17 (8 males, 8 females, 1 unsexed), as follows: Palau Islands, USNM--Babelthuap, 1 (Nov. 30)--Peleliu, 1 (Sept. 10)--Ngabad, 3 (Sept. 11); AMNH--exact locality not given, 12 (Oct., Nov., Dec.). _Food habits._--Stomachs of specimens obtained by the NAMRU2 party at Palau contained insects. One male had a large cicada in its stomach. Coultas (field notes) writes that foods of this bird consist of grubs and ants. _Parasites._--Uchida (1918:483) found the bird louse (Mallophaga), _Docophorus alatoclypeatus_, on this bird at Palau.