SEA DUCKS. 



113 



Waaliinston, not ruro, W. V. Long Isluiul, A. V. Sing Sing, A. V., Aiil. 

 Cambridge, cu-sual ; one instance, Nov. 



A'ent, on tlie ground, in grassy slougiis or marshy lake sides. Ef/i/a, six to 

 twelve, similar in eolor to tiioso of the two preetding siiceics, -l-M x VM. 



Thi>< is more of ii frosh-Wiiter bird than citlier of tlie preeoding. It 

 is not coiuinoii in tiie Atlantic States nortli of Florida, where during 

 the winter it is abundant on fresh-water lakes. 



151. Glaucionetta dangula americana (Bonnp.). Amkrican 

 Golden-evk; WnisTi.Kit. Ad. ^ .— Head and throat dark, glossy (ji-eeit, a 

 circular white patch at the base of the bill measuring, along the bill, less 

 than half an inch in height; neck all around, breast, belly, exposed part .of 

 wing-eo'verts, 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 si.les ashy gray bordered with grayish ; wing-coverts tipped 

 with white ; speculum, lower breast, and belly white. L., 20-(i0 ; W., tcoo ; B. 

 from anterior margin of wiiite patch to anterior nuirgin of nostril, I'OO; from 

 anterior margin of nostril to tip, •75. 



Iia))(je.—KnT\.\\ 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, coimnon T. V. and W. V., 

 ISov. IT) to Apl. ir.. Sing Sing, common T. V. and W. V., Nov. to May. 

 Cambridge, rather common, Oct. and Nov. 



iWsC, in a stump or hollow tree. Ayj/.f, six to ten, pale bluish, 2-35 x 1-75. 



The rapidly moving wings of most Ducks make a wliistling sound, 

 but tliis species excels in wing music. As a diver it can also claim 

 high rank. 



168. Glaucionetta islandica (Gmel.). Bakrow's Golden-eye. 



All. 6 . — Ileail and throat dark, glossy, purpl/'-ih blue, an irretrular, somewhat 

 8j)read-wi/Hj-shui)iid wiute patch at the base of the bill measuring, along tlie 

 bill, about one inch in lioight ; 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 .— Kcsendjles the 9 of the precedinir species 

 in color; there is some ditrerence in the size and proportions of the l)ill, but 

 the two birds can not always be distimruished with certainty. W., 9-25; B. 

 from anterior nuirgin of white patch to anterior nuirgin of nostril, -SO; from 

 anterior margin of nostril to tip, •()»!. 



AV/«Y(/'^w. — The males of this and the preceding species may always be 

 distinguished by the ditfcrence in tlic color of tlie head and siz( and shape of 

 the white spot at the base, of the bill. 



Ranffe. — Breeds in the far north — Greenland, Iceland, and .Maskn— and 

 southward in the Rocky Mountains; winters as far south as Illinois and Vir- 

 ginia. 



Washingtf)n, A. V.. one record. Long Island, .\. V. 



iV<;»<, in a stump or hollow tree. I'^ijys., six to ten, palo bluish, 2-40 x 1-70. 

 9 



I' 



