me. Some doubt having been raised as to the identity
of this specimen, I sent it, with Mr. Tuck's permission,
to Professor Newton, who, in reply, assured me that
there could be no doubt about its being a genuine
Briinnich's Guillemot. The third on my list was picked
up by Mr. Oxley Grabham, of Croxton Villa, Grosvenor
Road, Scarborough, who informed me that he found it
in Filey Bay, on January 30th, 1895, "being attracted
by its size, its light-coloured legs, and the very pronounced
white line at the base of the upper mandible."
My correspondent goes on to say : " It was the largest
Guillemot I ever saw, measuring 19f in. in length,
from carpal joint to end of longest primary 8J in., total
expanse of wings in. The tarsi and toes were light
yellowish olive, webs dirty brown. In the flesh the white
on the throat ran up into a point, as in Mr. Clarke's
bird, and not in a rounded arch as in the Common
Guillemot. It was a male by dissection." The fourth
was obtained by Mr. Grabham at Scarborough on
January 31st, 1895, and proves to be a female by
dissection. The measurements given by Mr. Grabham
were: total length 18f in., wing 7f in., total expanse
20 in. Both of these latter birds were very courteously
sent to me for examination by Mr. Grabham. With
regard to the accompanying Plates, that of the adult in
summer plumage with young was taken from specimens
obtained by Professor Newton off the coast of Spitsbergen,
and kindly lent to me for this work; the other
is from the Yorkshire specimens above mentioned.