=Collocalia inquieta inquieta= (Kittlitz) Carolines Swiftlet _Cypselus inquietus_ Kittlitz, Obser. Zool., in Lutké, Voy. "Le Séniavine," 3, 1836, p. 285. (Type locality, Ualan.) _Cypselus inquietus_ Kittlitz (part), Denkw. Reise russ. Amer. Micron. und Kamchat., 2, 1858, p. 26 (Ualan). _Collocalia ualensis_ Streubel, Isis, 1848, p. 368 (no type locality = Kusaie?). _Collocalia nidifica ualensis_ Gray, Ann. Nat. Hist., 17, 1866, p. 123 (Caroline Islands = Kusaie?). _Collocalia vanicorensis_ Finsch (part), Journ. Mus. Godeffroy, 12, 1876, p. 24 (Ualan); _idem_ (part), Proc. Zool. Soc. London, 1880, p. 575 (Kuschai); _idem_ (part), Journ. f. Ornith., 1880, pp. 285, 298 (Kuschai); _idem_ (part), Ibis, 1881, pp. 104, 108 (Kushai); Wiglesworth (part), Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891), p. 18 (Ualan); Matschie (part), Journ. f. Ornith., 1901, p. 112 (Ualan). _Collocalia fuciphaga_ Hartert (part), Cat. Birds British Mus., 16, 1892, p. 498 (Kuschai); Oustalet (part), Nouv. Arch. Mus. Hist. Nat. Paris, (3), 7, 1895, p. 190 (Oualan). _Collocalia fuciphaga fuciphaga_ Oberholser (part), Proc. Acad. Nat. Sci. Phila., 1906, p. 186 (Ualan). _Collocalia fuciphaga vanikorensis_ Oberholser (part), Proc. U. S. Nat. Mus., 42, 1912, p. 20 (Kusaie). _Collocalia fuciphaga inquieta_ Stresemann, Verhandl. Ornith. Gesellsch. Bayern, 12, 1914, pp. 9, 11 (Ualan); Kuroda (part), in Momiyama, Birds Micronesia, 1922, p. 62 (Kusaie); Hand-list Japanese Birds (part), rev., 1932, p. 179 (Kusaie). _Collocalia inquieta inquieta_ Mayr, Amer. Mus., Novit., no. 915, 1937, p. 11 (Kusaie); Peters, Check-list Birds World, 4, 1940, p. 225 (Kusaie); Mayr, Birds Southwest Pacific, 1945, p. 292 (Kusaie). _Collocalia vanikorensis inquieta_ Hand-list Japanese Birds, 3d ed., 1942, p. 199 (Kusaie). _Geographic range._--Micronesia: Caroline Islands--Kusaie. _Characters._--Adult: Upper parts dark (sooty-black) with a slight greenish gloss on head and back and a more conspicuous bluish-purple gloss on the wings and tail; feathers of lores white, tipped with black; underparts smoky-gray; feet brownish; bill black; iris dark brown. _Measurements._--Measurements are presented in table 31. _Specimens examined._--Total number, 42 (21 males, 20 females, 1 unsexed), as follows: Caroline Islands, USNM--Kusaie, 1 (Feb. 8); AMNH--Kusaie, 41 (Jan., Feb., March). _Remarks._--Kittlitz obtained this swiftlet when he visited Kusaie from December 8, 1827, to January 1, 1828. In 1931, Coultas found the bird common at Kusaie. The name _Collocalia ualensis_, published by Streubel in Isis in 1848, p. 368, is without mention of a locality, but is later used by Gray to denote the swiftlet in the Caroline Islands. TABLE 31. MEASUREMENTS OF _Collocalia inquieta_