Bubo virK ini anus . 
Concord, 
Mass . 
1893 . 
apparently nearly entire and freshly torn off. The pine 
May 1. 
stands on level ground on the top of a ridge bordering the 
(No. 2). 
river meadow. The woods are at present about six acres in 
extent and are almost wholly composed of large, old white 
pines . 
May 2. 
in the afternoon I visited the young Great Horned Owls. 
}ia-d 
They were in the same place but they they moved about one 
quarter around the trunk of the pine evidently, as I thought, 
because the wind had changed for yesterday, when it was north, 
they were on the south side of the tree and to-day, when it 
was S.E., on the N.W. side. 
While I was looking at them standing about 20 yards away, 
one of the old birds began hooting in the pines behind me; pres 
ently it appeared and flying from tree to tree moved around 
me in a half circle keeping just beyond gun range and behav- 
ing in the most curious manner. Alighting close to the trunk 
of a pine, at a height of 30 or 40 feet above the ground, it 
would follow the branch out nearly to the .end walking steadily 
and at times rather quickly, body horizontal, wings 
wide-spread and flapping slowly like those of a big butterfly, 
tSU. 
'tt=s head lowered considerably lower below the line of the back, 
bW- h ox ns ' TK+- 
slightly raised and fcfes eyes glaring fiercely. It hooted 
every half minute or so in low cooing tones. Its mate also 
