. The water birds of North America . n proportions indicated by theabove figures. —THE DUCKS — CEDEMIA. 89 CEdemia americana. THE AMERICAN BLACK SCOTER. Anas nigra, Wils. Am. On. VIII. 1814, 135, pi. 72 (not of Linn.). Oidemia americana, Sw. & Rich. F. B. A. II. 1831, 450. —Baied, B. N. Am. 1858, 807 ; Cat, N. Am. B. 1S59, no. 604.(Edemia americana, Coras, Key, 1872, 293; Check List, 1873, no. 516; 2d ed. 1882, no. 737 ; B. N. W. 1874, 581. —Ridgw. Norn. N. Am. B. 1881, no. (Oidemia) americana, Nt/tt. Man. II. 1834, americana, Aud. Orn. Biog. V. 1839, 117, pi
. The water birds of North America . n proportions indicated by theabove figures. —THE DUCKS — CEDEMIA. 89 CEdemia americana. THE AMERICAN BLACK SCOTER. Anas nigra, Wils. Am. On. VIII. 1814, 135, pi. 72 (not of Linn.). Oidemia americana, Sw. & Rich. F. B. A. II. 1831, 450. —Baied, B. N. Am. 1858, 807 ; Cat, N. Am. B. 1S59, no. 604.(Edemia americana, Coras, Key, 1872, 293; Check List, 1873, no. 516; 2d ed. 1882, no. 737 ; B. N. W. 1874, 581. —Ridgw. Norn. N. Am. B. 1881, no. (Oidemia) americana, Nt/tt. Man. II. 1834, americana, Aud. Orn. Biog. V. 1839, 117, pi. 408 ; Synop. 1839, 290 ; B. Am. VI. 1843, 343, pi. 403. Hab. Coasts and larger inland waters of Northern North America, south to the GreatLakes, New Jersey, aud California. Mountains of Colorado (Boulder Co., June!; Mrs. M. ). Sp. Char. Adult male: Entire plumage uniform deep black, the neck very faintly glossedwith dull violaceous, the feathers somewhat distinctly defined ; basal half of the maxilla, except a. stripe along the tomium, bright orange (yellowish in the dried skin), the remainder of the billblack ; iris hazel ; legs and feet dull black. The bulging part of the upper mandible is brightorange, paler above, that color extending to a little before the nostrils ; the rest of the upper man-dible, including its basal margin to the breadth of from three to two twelfths of an inch, black, asis the lower mandible. Iris brown. Feet brownish black (Audubon). Adult female: Above,dull dark grayish brown, the feathers of the back and scapulars tipped with lighter ; lower partslighter, the pale tips broader, though lacking on the posterior portions ; lateral and lower parts ofthe head and neck nearly uniform very pale grayish brown, quite abruptly defined against theuniform dark brown of the pileum and nape. Bill entirely black. Young: Upper parts, jugu-lum, sides, and flanks, uniform dark grayish brown ; sides of head and neck, chin and throat, dirtywhitish, t
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