OR, THE HOME-CULTURE OF FRESH-WATER PLANTS. 
Aquarium at the Zoological Gardens there are 
several Tench, which appear to enjoy themselves as 
well as in their native ponds. They generally lie 
near the bottom, as though in a dreamy and pleasing 
abstraction, hut if too closely watched glide myste¬ 
riously away and disappear, taking advantage of 
some deep shadow, or projecting stone, or tuft of 
Valisneria. Like the Carp family, the Tench is 
very tenacious of life. Daniel, in his “ Dural 
Sports,” mentions a curious example of this tenacity 
under very peculiar circumstances. A pond had 
been filled up for many years, when it became 
necessary to clear away the ground below the depth 
of the former pond. On the last portions being re¬ 
moved, it was found that the mud at the bottom had 
never thoroughly dried, and there were a few holes 
imperfectly filled by the rubbish, which still con¬ 
tained a small quantity of water. In these cavi¬ 
ties several Tench of large size were found in per¬ 
fect health. Their habit of hybernating in the mud 
having made this long interment only appear, it 
would seem, like a somewhat unusually long winter. 
Under the roots of a buried tree a larger hole than 
the rest contained rather more water, and in this 
an immense Tench was found, which had grown to 
the form of the hollow which had so long been his 
