Late dates of fall departure are: British Columbia, Sumas Lake, September 19; Colorado, Fort Lyon, September 8, Larimer County, September 9, and Barr, October 5; Mackenzie, Fort Simpson, August 19, and Lower Slave River, August 27; Manitoba, Carberry, August 29, and Qu'Appelle, September 16; Nebraska, Lincoln, November 11; Kansas, Lawrence, September 19; Wisconsin, Kelley Brook, September 13; Iowa, Burlington, September 28; Ontario, Toronto, September 26; Ohio, Columbus, October 4; Illinois, Chicago, September 1, Grand Crossing, September 23, and Cantine Lake, September 28; Missouri, St. Louis, September 12, and Kansas City, September 28; Maine, Scarboro, September 16; Massachusetts, Chatham, September 20, and Cape Cod, September 29; Rhode Island, Newport, September 9; New York, Buffalo, September 16, Bronx, September 19, Cayuga, October 10, and Jamaica, November 28; New Jersey, Morristown, October 16; Maryland, Pawtuxent River, September 8; District of Columbia, Anacostia River, October 26; North Carolina, Churches Island, September 23; and Florida, Fernandina, October 10, and Key West, November 1. _Casual records._--The rarity of the stilt sandpiper makes it difficult to determine whether some occurrences should be listed as regular migrants or as accidentals. Some of the following cases may be on the regular migration route of the species: Bermuda, two early in August, 1848 and one in early September, 1875; Newfoundland, Cow Head, September, 1867; Nova Scotia, Sable Island, August 18, 1902; New Brunswick, Courtenay Bay, September 8, 1881; and Montana, Chief Mountain, August, 1874. _Egg dates._--Arctic Canada: 3 records, June 22 and 27 and July 8. CALIDRIS CANUTUS RUFUS (Wilson) AMERICAN KNOT HABITS This cosmopolitan species, with a circumpolar breeding range, has been split into two generally recognized forms occupying the two hemispheres, with a doubtful third form, _rodgersi_, said to occupy eastern Asia. Our American bird is well named _rufus_ on account of its color. The knot, or redbreast, as it is called on Cape Cod, was a very abundant migrant all along the Atlantic coast of North America during the past century. George H. Mackay (1893) writes: