18 THE VIVARIUM. 
in a frame and made to work on hinges at H and 1, and little 
stays affixed at J and x, to keep it, more or less, open as required. 
The ends t and mM ought to be made to work as doors, in order 
that any portion of the interior of the case may easily be 
reached. 
With the exception of the frame, the Vivarium is all of stout 
glass. Dp is an arch made of brick, stone, or coke, fastened 
together with Portland cement, and when finished, covered with 
H c [ 
=: ; 
Wf ps te 
Hy ae 4 } inl 
We 
UINLALC LL WALA 
FIG. 9.—FERNERY, WITH FOUNTAIN AND ARCH, VERY SUITABLE FOR SOME 
REPTILES AND BATRACHIANS. 
a thin coating of the same, sprinkled with coarse sand. If no 
fountain be made to play underneath, it need not be so high as 
represented in the illustration. The arch will probably take 
several days to construct, as the hardening of the cement must be 
waited for. & is a tank sunk nearly level with the soil inside the 
Vivarium, and is provided with an overflow pipe. F is a 
fountain which may be connected with some permanent supply of 
water or with an elevated tank, hidden out of sight, and which 
of course must be from time to time filled with water. However, 
