Clangula clangula amoricana . 
Lake Umbagog, Maine. 
1897. 
May 12. 
May 15. 
On the way over to the Lake House this morning we landed 
at Paeslee's spring. Just as our boat reached the shore a 
female Whistler flew from a large hole in a big yellow biroh 
which stands near the mouth of the brook and on the very edge , 
of the water at this season. I had heard that there was a 
nest in this tree last season and I was looking directly at 
the hole when the bird came out but, nevertheless, I did not 
actually get ray eye on her until she was in the air. She 
started when we were about 20 ft. from the base of the tree 
and flying heavily past us, her wings whistling audibly but 
not very loudly, alighted some fifty rods off on the flooded 
meadow. Half-an-hour later and again in the afternoon I saw 
her in company with her mate fly into the cove where the nest 
is situated. The hole is a natural cavity nearly two feet in 
height by a foot in width with its edges everywhere rounded 
in by bark. The tree apparently alive and, save for this 
cavity, sound. The hole is about 20 ft. above the ground. 
Watrous visited and examined the Whistler's nest at the 
mouth of Peaslee's Brook this morning. It contained nineteen 
eggs, all of the same type as regards both shape and coloring. 
The female was not sitting either yesterday (when I rapped on 
the tree) or to-day. The nest was a little more'than arm's 
length below the entrance. The eggs, Watrous says, were 
