42 
The lower, or south-eastern portion of the Grounds is, as 
yet, unfinished, a considerable amount of grading and plant- 
ing of trees being yet required to be done. The only enclos- 
ure which has been erected there is 
No. 27.— THE POLAR-BEAR PEN, 
Containing two fine young members of this species ( Ursus mari- 
timus). This animal is found throughout the Arctic regions of 
Europe, Asia, and America, rarely ranging below the fifty-fifth 
degree of latitude ; how far to the north they find their way is 
unknown. Sir Edward Parry saw them at latitude eighty-two. 
They measure sometimes nine feet in length from nose to 
tail and are dangerous visitors when pressed, as they often 
are, by hunger, to invade the camps of sailors, ice-bound in the 
