THE WHISTLER 341 
speculum ashy bluish or grayish. Below mostly 
white; belly and flanks waved with black; cris- 
sum black. Bill black, edges, base and a belt 
across near the tip bluish gray. Feet bluish 
gray with black webs. Iris yellow. 
The female has no collar. Where the male is 
black she is brownish. Wing and speculum the 
same as in the male. The bluish gray color of 
the speculum is the main point of difference be- 
tween the female of this species and the females 
of the Scaups, whose speculum is white, al- 
though females of the present species may be 
slightly browner above and on the flanks. 
Length of the Ring-necked Duck from sixteen 
to eighteen inches; extent from twenty-eight to 
thirty inches. 
THE WHISTLER. GOLDEN-EYED DUCK. 
(Clangula americana.) 
This duck is from fifteen to eighteen inches 
in length and weighs from two to two and one- 
half pounds. The head and upper part of the 
neck are rich, dark green—in some lights al- 
most black, in others glossy and metallic in its 
lustre. A spot of white on each side at the base 
