_Charadrius semipalmatus_ Bonaparte, Journ. Acad. Nat. Sci. Phila., 5, 1825, p. 98. New name for _Tringa hiaticula_ Ord. not _Charadrius hiaticula_ Linnaeus, in Wilson's Amer. Ornith., Ord. repr., 7, 1824, p. 65. (Type locality, Coast of New Jersey.) _Charadrius hiaticula_ Finsch, Ibis, 1880, p. 331 (Taluit); Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891), p. 64 (Taluit or Bonham); Schnee, Zool. Jahrbücher, 20, 1904, p. 389 (Marschall-Inseln); Kuroda, in Momiyama, Birds Micronesia, 1922, p. 45 (Taluit). _Geographic range._--Breeds from Arctic America south to coastal Canada. Winters from southern United States to South America. In Micronesia: Marshall Islands--Jaluit. _Remarks._--Finsch (1880d:331) reported this bird (sight record) at Jaluit in the Marshall Islands. Other than this observation, there is no history of the species in Micronesia. =Charadrius dubius curonicus= Gmelin Ring-necked Plover _Charadrius curonicus_ Gmelin, Syst. Nat., 1, pt. 2, 1789, p. 692. (Type locality, Kurland.) _Charadrius dubius curonicus_ Hand-list Japanese Birds, rev., 1932, p. 194 (Yap); Hand-list Japanese Birds, 3d ed., 1942, p. 217 (Yap); Mayr, Birds Southwest Pacific, 1945, p. 37 (Micronesia). _Geographic range._--Breeds in northern Europe and Asia. Winters from Africa east to Malaysia and Melanesia. In Micronesia: Caroline Islands--Yap. _Remarks._--The Ring-necked Plover has been recorded at Yap by the Japanese collectors. Mayr (1945a:37) remarks that the bird is an occasional migrant through Micronesia. Gleise and Genelly (1945:221) observed four "Papuan" Ring-necked Plovers at Eniwetok in 1945. Apparently no specimen was obtained. =Charadrius alexandrinus nihonensis= Deignan Kentish Plover _Charadrius alexandrinus nihonensis_ Deignan, Journ. Washington Acad. Sci., vol. 31, 1941, p. 106. (Type locality, Aomori, Hondo.) _Charadrius cantianus_ Hartlaub and Finsch, Proc. Zool. Soc. London, 1868, pp. 117, 118 (Pelew); _idem_, Proc. Zool. Soc. London, p. 89 (Pelew); Finsch, Journ. Mus. Godeffroy, 8, 1875, p. 31 (Palau). _Aegialitis cantianus_ Wiglesworth, Abhandl. und Ber. Zool. Mus. Dresden, no. 6, 1890-1891 (1891), p. 64 (Pelew); Takatsukasa and Kuroda, Tori, 1, 1915, p. 62 (Pelew). _Aegialitis alexandrinus dealbatus_ Kuroda, in Momiyama, Birds Micronesia, 1922, p. 45 (Pelew). _Charadrius alexandrinus dealbatus_ Hand-list Japanese Birds, rev., 1932, p. 194 (Palau); Hand-list Japanese Birds, 3d ed., 1942, p. 217 (Palau); Mayr, Birds Southwest Pacific, 1945, p. 37 (Palau). _Geographic range._--Breeds in Japan and possibly on adjacent parts of the Asiatic mainland. Winters south to Malaya. In Micronesia: Palau Islands--exact locality unknown.