_Halcyon chloris teraokai_ Kuroda, Tori, 1, 1915, p. 56, pl. 3,
fig. 3. (Type locality, Pelew.)
_Halcyon albicilla_ Hartlaub, Proc. Zool. Soc. London, 1867
(1868), p. 828 (Pelew); Hartlaub and Finsch, Proc. Zool. Soc.
London, 1868, pp. 4, 118 (Pelew); Gray (part), Hand-list Birds, 1,
1869, p. 93 (Pelew); Finsch, Journ. Mus. Godeffroy, 8, 1875, p. 49
(Palau, Mackenzie, Matetotas); Oustalet (part), Nouv. Arch. Mus.
Hist. Nat. Paris, (3), 7, 1895, p. 171 (Pelew).
_Halcyon chloris_ Hartlaub and Finsch, Proc. Zool. Soc. London,
1872, pp. 89, 93 (Pelew); Finsch, Journ. Mus. Godeffroy, 8, 1875,
pp. 4, 10 (Palau); Wiglesworth, Abhandl. und Ber. Zool. Mus.
Dresden, no. 6, 1890-1891 (1891), p. 14 (Pelew); Mayr, Amer. Mus.
Novit., no. 469, 1931, p. 3 (Pelew).
_Dacelo albicilla_ Giebel (part), Thes. Ornith., 2, 1875, p. 1
(Pelew).
_Halcyon sanctus_ Finsch, Journ. Mus. Godeffroy, 8, 1875, p. 50
(Palau); Sharpe, Cat. Birds British Mus., 17, 1892, p. 267
(Pelew).
_Dacelo albicilla_ Giebel (part), Thes. Ornith., 2, 1875, p. 1
(Pelew).
_Sauropatis chloris_ Salvadori, Ornith. Papuasia, 1, 1880, p. 470
(Pelew).
_Halcyon chloris teraokai_ Uchida, Annot. Zool. Japon., 9, 1918,
p. 482 (Palau); Kuroda, Ibis, 1927, p. 707 (Pelew); Takatsukasa
and Yamashina, Dobutsu. Zasshi, 43, 1931, p. 484 (Pelew);
Hand-list Japanese Birds, rev., 1932, p. 180 (Palau); Bequaert,
Mushi, 2, 1939, p. 82 (Palau); _idem_, Occ. Papers Bernice P.
Bishop Mus., 16, 1941, p. 290 (Palau); Hand-list Japanese Birds,
3d ed., 1942, p. 201 (Babelthuap, Koror, Angaur); Mayr, Birds
Southwest Pacific, 1945, p. 293 (Palau); Peters, Check-list Birds
World, 5, 1945, p. 209 (Babelthuap, Koror, Angaur); Baker,
Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 64 (Peleliu,
Garakayo).
_Sauropatis chloris teraokai_ Oberholser, Proc. U. S. Nat. Mus.,
55, 1919, p. 357 (Pelew); Kuroda, in Momiyama, Birds Micronesia,
1922, p. 59 (Angaur); Mathews, Syst. Avium Australasianarum, 1,
1927, p. 381 (Palau).
_Geographic range._--Micronesia: Palau Islands--Kayangel,
Babelthuap, Koror, Garakayo, Peleliu, Angaur.
_Characters._--Adult male: Dorsal surface bluish, head slightly
darker, back and scapulars more greenish, rump lighter blue; outer
webs of feathers of wing and of tail dark blue, entire first
primary blue, inner webs of other primaries black; collar and
underparts white; ariculars black with bluish wash, the black
extending around neck above white band; spot on upper lores and
narrow line above eye white; orbital ring and lower part of lores
black; under wing-coverts white; under tail black; feet black;
bill black, mandible with whitish base; iris dark brown.
Adult female: Resembles adult male, but crown and back more green
and less blue; auriculars with greenish-blue wash.
Immature: Resembles adult, but feathers of forehead edged with
buff; spot on lores and underparts buffy margined with dusky.
_H. c. teraokai_ resembles closely _H. c. chloris_ (Boddaert), but
more greenish and less bluish, especially on tail.
_Measurements._--Measurements are listed in table 33. Adult males
and females have similar measurements and are treated together.