. The birds of Illinois and Wisconsin. Birds; Birds. 342 Field Museum of Natural History — Zoology, Vol. IX. by Mr. Julius Hurter. (Bull. Nutt. Orn. Club, 1881, p. 124.) "It is found throughout Illinois in winter and has been taken at St. Louis, ; (W. W. Cooke, Bd. Migr. Miss. Val., 1888, p. 73.). Genus SOMATERIA Leach. 61. Somateria dresseri Sharpe. American Eider Duck. Distr.: Atlantic coast of North America, from Maine to Labra- dor, south to Delaware and west to the Great Lakes in winter. Adult male: Top of head, black, with a stripe of white on the middle of the crown; occipu
. The birds of Illinois and Wisconsin. Birds; Birds. 342 Field Museum of Natural History — Zoology, Vol. IX. by Mr. Julius Hurter. (Bull. Nutt. Orn. Club, 1881, p. 124.) "It is found throughout Illinois in winter and has been taken at St. Louis, ; (W. W. Cooke, Bd. Migr. Miss. Val., 1888, p. 73.). Genus SOMATERIA Leach. 61. Somateria dresseri Sharpe. American Eider Duck. Distr.: Atlantic coast of North America, from Maine to Labra- dor, south to Delaware and west to the Great Lakes in winter. Adult male: Top of head, black, with a stripe of white on the middle of the crown; occiput, pale green, the color extending on the sides of the neck; rest of head, breast and back, white, faintly tinged with dull pinkish on the breast; rest of the under parts, black; tail, black; point of the di- vided culmen extending upon the forehead, hlunt and rounded. Adult female: General color, pale rufous brown, mottled and banded with black; head, tawny brown, faintly lined and dotted with black; some of the secondaries tipped with white. Length, about 23; wing, about 11; tarsus, ; bill, The American Eider Duck closely resembles the Northern Eider, the principle difference being in the shape of the divided culmen, the points of which are broad and rounded, and not pointed as in the latter species. The Northern Eider, however, has not as yet been recorded from the Lake Michigan region, although it occurs commonly in Hudson Bay. A rare resident on Lake Michigan in winter. A young male bird of this species was shot by a fisherman on the Lake front in Chicago, Dec. I, 1908. The specimen was purchased by Mr. J. L. DeVine who kindly loaned it to me for examination. " Not a very rare winter resident upon Lake Michigan and prob- ably occurs in suitable places throughout the state. In my collection is an immature specimen obtained near Chicago, in December, ; (Nelson, Birds N. E. 111., 1876, p. 142.) "Lake Michigan in winter, rare. Recorded at Racine
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