_Fall migration._--Late dates of fall departure are: Oregon, Malheur Lake, September 5; California, Santa Barbara, September 8, and near San Francisco, September 9; Montana, Milk River, July 21, and Great Falls, August 15; Utah, Great Salt Lake, September 16; Wyoming, Seven-mile Lake, September 14, and Yellowstone Park, September 27; Colorado, Denver, September 12; Arizona, Fort Verde, September 7; Saskatchewan, Ravine Bank, August 25; North Dakota, Grafton, September 11, and Westhope, September 24; South Dakota, Forestburg, August 13, Harrison, September 12, and Sioux Falls, October 14; Nebraska, Badger, August 30, and Gresham, September 1; Kansas, Emporia, August 31; Texas, Tivoli, September 14, and Corsicana, September 12; Minnesota, Lanesboro, September 13; Michigan, Kalamazoo County, September 8; and Ontario, near Toronto, September 23.
_Casual records._--Although essentially a western species the Wilson phalarope has many times been detected in eastern localities. Among these are: Alabama, Bayou la Batre, September 5, 1911; South Carolina, Sullivans Island, September 7, 1910; North Carolina, near Church Island, August 25, 1910, and Currituck Light House, September 14, 1911; New Jersey, Ocean City, May 19, 1898, and Cape May, May 4, 1909; New York, Mastic, September 21, 1918, and August 23, 1920, Shinnecock, August 20, 1883, and August 15, 1885, Far Rockaway, October 10, 1874, East River, October 15, 1879, Onondaga Lake, September 2, 1886, Oneida Lake, October 6, 1883, Ithaca, fall of 1892, Atlanticville, August 15, 1885, and June 1, 1887, and Bronx Park, September 21, 1924; Connecticut, Bridgeport (Linsley); Rhode Island, Newport, August 2, 1880, August 20, 1883 and September 13, 1886, Sakonnet, August 24, 1899, and Quonochontaug, August 28, 1909; Massachusetts, Chatham, October 19, 1888, Nantucket, August 31, 1889, Nahant, May, 1874, Salisbury and Boston (Townsend); New Hampshire, Rye Beach, August 15, 1872; Maine, Sabattus Pond, September or October, 1906, and Scarborough, June 9, 1881; and Quebec, Montreal, August, 1869. It also has been taken in British Columbia, Chilliwack, September 9, 1888, and Osoyoos Lake, May 15, 1922 and May 18, 1922. It has been detected a few times in Lower California, La Paz (date?), and San Jose del Cabo, one in spring and another in August, 1887.