. A history of British birds . s dull grey, the middle yellowish-grey, spotted withbluish-grey. The white bar on the wing is still wanting;the rump is glossy bluish-black, the tail nearly of the sametint. The Author was never able to obtain a specimen of thewindpipe of the male of this species, which is thus describedby Audubon :•—• it is six inches and a half in length, has atfirst a breadth of only three lines, but at the distance ofthree-quarters of an inch, enlarges to four and a half lines,and so continues for two inches; it then contracts to twoand a half lines, and again at the lower pa
. A history of British birds . s dull grey, the middle yellowish-grey, spotted withbluish-grey. The white bar on the wing is still wanting;the rump is glossy bluish-black, the tail nearly of the sametint. The Author was never able to obtain a specimen of thewindpipe of the male of this species, which is thus describedby Audubon :•—• it is six inches and a half in length, has atfirst a breadth of only three lines, but at the distance ofthree-quarters of an inch, enlarges to four and a half lines,and so continues for two inches; it then contracts to twoand a half lines, and again at the lower part enlarges tofive and a quarter lines, and terminates in a large transversebony dilatation or tympanum, of which the length is sevenand a half lines, the breadth one inch two lines; it projectsas usual to the left side, where it is of a rounded of the windpipes of both male and female birdsare to be found in Prof. Newtons paper already mentioned(Ibis, 1859, p. 162). EIDER DUCK. A NSERES. 457 ANATID^ SOMATERIA MOLLISSIMA (LinilfeilS*). THE EIDER DUCK. Somateria mollissima. SoMATERiA, Boie\.—Bill swollen and elevated at the base ; extending up onthe forehead, where it is divided by an elongated, descending, angular projectionof feathers down the surface. Nostrils lateral, oval, small. Legs short; feet ofthree anterior toes, broadly webbed ; bind toe with a deeply-lobated of moderate length, with the first and second quill-feathers short, of fourteen feathers. The Eider Duck, though indigenous to some of thenorthern parts of England, as well as several of the Scot-tish Islands, is only a winter visitor to the southern portionsof the kingdom. At long intervals it has been obtained onthe coasts of Cornwall, Devon, Dorset, and Hampshire ; morefrequently off Sussex and Kent; while along the east coast * Anas mollissima, Linnseus, Syst. Nat. Ed. 12, i. p. 198 (1760).t Isis, 1822, p. TV. B N 458 ANATID-^. it gradually
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