BEAVERS IN THE SOCIETY'S GARDENS. 



101 



at the end was a ventilator. At all events no attempt had heen 

 made to enlarge it for exit or entry, and the part of the burrow 

 it opened into was a comparatively large chamber, wide enough 

 for the beavers to turn about in and deep enough for them to 

 immerse themselves under the water. The narrower part of the 



Plan of the old enclosure for Beavers, showing the work done by the 



animals. 



burrow was from 1| to 2 ft. wide and about 2 ft. deep from the 

 surface of the ground, the soil of its roof being only a few inches 

 thick. It was rather more than half full of water, continuous 

 with that of the pool at the entrance, which we subsequently 

 found proceeded from a burst underground pipe. 



