The purple sandpiper is a stockily built bird, which stands low and has a moderately long bill. Its breast and upper parts of a dark purplish gray match admirably the rocks on which it lives, and although darker are not very different in tone from the coloring of the red-backed sandpiper in fall, with which species it might possibly be confused. Both have a white line in the wing shown in flight, but in the purple sandpiper this broadens to a more conspicuous wedge of white backward on the inner secondaries and extends across the bases of the primaries as narrow edging to their coverts, rather than turning the bend of the wing into the primaries. The best field character is the color of legs and feet, which are of a dull but strong yellow, appreciable at a considerable distance. The basal third of the bill is of the same, but tinged with orange. _Fall._--The fall migration of the purple sandpiper is a gradual southward movement along the Atlantic coast. It disappears from its breeding grounds early in September, but the main flight does not reach New England until November or December. What few stragglers have been seen on the Great Lakes were probably migrants from Hudson Bay. E. W. Hadeler writes to me that he observed one on the shore of Lake Erie, Painesville, Ohio, from October 22 to November 12, 1916, and again from October 24 to November 11, 1922. It is interesting to note the uniformity of the dates and the fact that the species was seen always on a stone breakwater, apparently feeding exclusively on the water-washed stones. _Winter._--The purple sandpiper is the "winter snipe" of the New England coast, where flocks of from 25 to 75 or more may be found regularly on certain outlying rocky ledges. Here they seek shelter among the rocks from the flying spray and from the wintry blasts; and here they find their food washed up by the waves or hidden in the half floating beds of rockweed. On December 10, 1913, while we were shooting eiders on one of the outer ledges in Jericho Bay, Maine, a flock of about 50 of these hardy little birds seemed out of place in our rough surroundings. It was a cold, blustering day; the surf was breaking over the rocks and the sea was white with combing breakers; even the hardy sea ducks sought the shelter of the ledges; but these plump little birds seemed quite happy and contented as they huddled together in a compact flock on the slippery rocks. They were very tame and confiding; even the reports of our guns served only to make them circle out around the ledge a few times and then return to its shelter. Evidently this was their winter home. We did not have the heart to shoot any of them. Mr. Nichols tells me that "very occasionally in winter, early spring or late fall, one finds single birds on the sandy beaches of New York or New Jersey south of the rocks." DISTRIBUTION _Range._--Europe, Asia, and northeastern North America.