24 
THE BIRDS OF WISCONSIN. 
nested in numbers anywhere in the state, and even at the 
present day some few nest regularly as far south as Rock 
County, and more in the less settled sections. We think this 
species is still as abundant during the migrations as thirty 
years ago. A most excellent table bird ; feeds largely in fail 
on the same food as does the canvas-back. Usually known 
to Wisconsin gunners as "black-.head" or "ring-bill." 
Clausula clausula americana (Bonap.J. AMERICAN GOLDEN-EYE. 
Common migrant and abundant winter resident wherever 
there is open water. Has apparently become a more common 
winter resident during the past fifty years. There are several 
breeding records for northern Wisconsin, and we have our- 
selves seen adult males at various northern points during the 
summer, but found no actual evidence of nesting. Fifty years 
ago this species was not considered as abundant as the next 
by Thure Kumlien in southern Wisconsin in winter. Three 
partial albinos have come under our notice, and one supposed 
hybid — Clangula x Aythya. 
Clausula islandiea (Gmcl.). BARROW'S GOLDEN-EYE. 
Actual records for the state are not many. Reported from 
Racine in 1860 by Dr. Hoy. One specimen was sent to Thure 
Kumlien from Edgerton in 1877, and one was shot by 
L. Kumlien November 14, 1896, on Lake Koshkonong. 
Large numbers of golden-eyes remain on Lake Michigan 
during winter, and no doubt this species is of regular occur- 
rence with them. Many remain all winter also in open water 
at Neenah and Menasha, and at different places on Fox River, 
but as these birds have not, to our knowledge, been studied 
with any care, we do not know how often islandiea may occur. 
No distinction is generally made by gunners, so ornitholo- 
gists get but few records from this source, and furthermore 
the females and immature birds are very difficult to distinguish 
from americana by anyone. In a copy of Rev. Mr. Barry's 
list of 1854, although he does not include this form, we find 
pencil notes by Thure Kumlien as follows: "Olangula 
vulgaris (= C. e. americana) only one specimen taken; is 
here not as common as C. barrowii (— islandiea) in winter, 
1854," 
Charitonetta albeola '(Linn.). BI FFLE-HEAD. 
Very common migrant in spring and fall, but greatly 
diminished in numbers of late years. Young still unable to 
