_Tringa Squatarola_ Linnaeus, Syst. Nat., ed. 10, 1, 1758, p. 149. (Type locality, Europe, restricted to Sweden.) _Charadrius squatarola_ Hartert, Novit. Zool., 5, 1898, p. 66 (Saipan); Seale, Occ. Papers Bernice P. Bishop Mus., 1, 1901, p. 35 (Micronesia); Safford, Osprey, 1902, p. 67 (Marianas). _Squatarola squatarola_ Hartert, Novit. Zool., 7, 1900, p. 9 (Ruk); Safford, The Plant World, 7, 1904, p. 266 (Guam); _idem_, Contr. U. S. Nat. Herb., 9, 1905, p. 80 (Guam); Cox, Island of Guam, 1917, p. 22 (Guam); Ridgway, Bull. U. S. Nat. Mus., 50, pt. 8, 1919, p. 72 (Ruk); Bryan, Guam Rec., vol. 13, no. 2, 1936, p. 15 (Guam); Hand-list Japanese Birds, 3d ed., 1942, p. 216 (Saipan, Truk); Mayr, Birds Southwest Pacific, 1945, p. 36 (Truk); Baker, Smithson. Misc. Coll., vol. 107, no. 15, 1948, p. 50 (Guam). _Squatarola helvetica_ Takatsukasa and Kuroda, Tori, 1, 1915, p. 61 (Marianas, Ruk). _Squatarola squatarola hypomelaena_ Kuroda, in Momiyama, Birds Micronesia, 1922, p. 43 (Ruk, Saipan); Hand-list Japanese Birds, rev., 1932, p. 193 (Saipan, Truk). _Geographic range._--Breeds in arctic regions of Holarctica. Winters in Southern Hemisphere. In Micronesia: Mariana Islands--Guam, Saipan; Caroline Islands--Truk; Marshall Islands--Eniwetok. _Specimens examined._--One female from Mariana Islands. USNM--Guam (Aug. 27). _Remarks._--The Black-bellied Plover is an uncommon visitor to Micronesia. One bird was obtained by Markley of the NAMRU2 party at Guam on August 27, 1945; Flavin recorded five of these birds from November, 1944, to January, 1946. Bryan and Greenway (1944:109) record this species as an occasional visitor to the Hawaiian Islands. Gleise and Genelly (1945:221) observed the Black-bellied Plover at Eniwetok in 1945. =Pluvialis dominica fulva= (Gmelin) Pacific Golden Plover _Charadrius fulvus_ Gmelin, Syst. Nat., 1, pt. 2, 1789, p. 687. (Type locality, Tahiti.) _Charadrius pluvialis_ Kittlitz, Obser. Zool., in Lutké., Voy. "Le Séniavine," 3, 1836, pp. 287, 299, 304 (Ualan, Longounor, Guahan); _idem_, Denkw. Reise russ. Amer. Micron. und Kamchat., 2, 1858, pp. 32, 55 (Ualan). _Charadrius virginianus_ Hartlaub, Journ. f. Ornith., 1854, p. 167 (Mariannen, Carolinen). _Charadrius longipes?_ Gray, Cat. Birds Trop. Is. Pacific Ocean, 1859, p. 47 (Ladrone or Marian Islands, Oualan). _Pluvialis fulvus_ Schlegel, Mus. Pays-Bas, 6, no. 29, 1865, p. 52 (Micronesie).