625 



9 



fighting both on the wing and on the water. The note is very loud, a distinct col-go'-y, with 

 strong accent on the second syllable ; and by this name we always spoke of it to our Eussian and 

 Samoyede servants." 



The eggs of the present species are oval, somewhat elongated in form, greyish buff with a 

 faint greenish tinge in colour, quite uniform in shade, and measure from 2- 4 % by 1^ inch to 

 2\ by Iff inch in size. 



The specimens figured are : — on the first Plate an old male in winter dress in the foreground, 

 and a male in full summer plumage in the background ; and on the second Plate an old female 

 in breeding-dress, and a young male. 



In the preparation of the above article I have examined the following specimens : — 



E Mus. H. & Dresser. 



a,b,(S,c, ?. Greenland, summer plumage (Erickseri). ■ d,6. Greenland. e,<3juv. Hiddensee, Germany, 

 January 27th, 1870 (Schluter). f,6,g,%. Point Lepreaux, October 25th, 1861 {H. E. D.). h, 6 . Point 

 Lepreaux, New Brunswick, January 1862 (H. E. D.). 



JE. Mus. Feilden and Ilarvie-Brown. 

 a, $ ad. Great Zemelskai tundra, Petchora, July 1875 (J. A. H.-B.). 



