Bubo virg ini anus . 
Concord, 
1398. 
May 5. 
(No. 4 ). 
May 4. 
Mass . 
draw us away from the young and that it was essentially the 
/ 
same trick that so many of the ground birds practise. This 
Owl hooted incessantly to-day and also made several other 
sounds which I shall describe later when I have had an oppor- 
tunity to study them more carefully. 
In the afternoon sailed down stream to Lawrence's woods 
taking my 5x7 camera and exposing a dozen plates on the young 
Great Horned Owls. When I first came in sight of them they 
were standing up a yard or more apart and a little distance 
from the tree. One of them repeatedly opened and stretched 
its wings but the next moment they discovered me when they at 
once toddled to the pine and crouched close against its trunk, 
touching one another. As I advanced the camera to within 
aboiit two yards of them they shrank back still closer to the 
tree and began snapping their bills but while I was taking the 
photographs they lay perfectly motionless. I saw no food and 
no pellets near them but the surface of the ground around the 
pine was white with their chalky excrement. 
Before I got near the young the old bifcds began hooting 
and the maid presently started off taking the same course as 
on May 2nd and & gain attracting a mob of Crows the moment he 
left the shelter of the ’woods. The female came about me in a 
half circle as usual but for the first time she neglected the 
