SEA DUCKS. 113 Washington, not rare, W. V. Long Island, A. V. Sing Sing, A. V., Apl. Cambridge, casual ', one instance, Nov. Nest, on the ground, in grassy sloughs or marshy lake sides. Eggs, six to twelve, similar in color to those of the two preceding species, 2'28 x 1'63. This is more. of a freshiwater bird than either of the preceding. It is not common in the Atlantic States north of Florida, where during the winter it is abundant on fresh-water lakes. 151. Glauclonetta. clangula. mericana. (Bonap). AMEnmAN GOLDEN-EYE; WHISTLER. Ad. 6.—Head and throat dark, glossy green, a circular white patch at the base of the bill measuring, along the bill, less than haéf an. inch in height; neck all around, breast, belly, exposed part of wing-coverts, speculum, and most of the scapulars white; rest of plumage black. Ad. 9 .—Head and throat cinnamon—brown, fore neck white; upper breast, back, and sides ashy gray bordered with grayish ; wing-coverts tipped with White; speculum, lower breast, and belly white. L., 2000; W., 9'00; B. from anterior margin of white patch to anterior margin of nostril, 1'00; from anterior margin of nostril to tip, '75. Range—North America, breeding from Manitoba and Maine northward, and wintering from the southern limit of its breeding range to Cuba. Washington, not rare, W. V. Long Island, common T. V. and W. V., Nov. 15 to Apl. 15. Sing Sing, common T. V. and W. V., Nov. to May. Cambridge, rather common, Oct. and Nov. Nest, in a stump or hollow tree. Eggs, six to ten, pale bluish, 2'35 x 1-75. The rapidly moving wings of most Ducks make a whistling sound, but this species excels in wing music. As a diver it can also claim high rank. ‘ 152. Glaucionetta. islandica. ( OWL). BARRow’s GOLDEN-EYE. Ad. 6 .—Head and throat dark, glossy, purplish blue, an irregular, somewhat spread—wing—shaped white patch at the base of the bill measuring, along the bill, about one inch in height; neck all around, breast, belly, speculum, lesser wing-coverts, ends of greater ones, and the shaft part of the scapulars white; rest of the plumage black. Ad. 9 .—Rescmbles the 9 of the preceding species in color; there is some difference in the size and proportions of the bill, but the two birds can not always be distinguished with certainty. W., 9'25; B. from anterior margin of white patch to anterior margin of nostril, '80; from anterior margin of nostril to tip, '66. Remark—The males of this and the preceding species may always be distinguished by the difference in the color of the head and size and shape of the white spot at the base nfthc bill. '- Range.—Breeds in the far north—Greenland, Iceland. and Alaska—and southward in the Rocky Mountains; winters as far south as Illinois and Vir- gima. Washington, A. V.. one record. Long Island. A. V. Nest, in a stump or hollow tree. Eggs, six to ten, pale bluish, 2'40 x 1'70. 9