22 THE VIVARIUM. 
of the larger hole or the Newts will escape. Instead of this board, 
a piece of zinc may be used. The board or zinc is supported by 
four wooden legs (Fig. 13), of the right height. The legs rest 
on the lower board. The upper part of the Vivarium may have 
two of its sides of glass and two of wood, as in the illustration, 
or all of glass. The glass sides are held in position by either 
grooves in the upper part of the legs, or by little zinc clips (see 
Fig. 13), attached to them. 
The top is covered in with a lid of wood, in the centre of which 
is a 1ound hole, of about 2in. in diameter, which is necessary 
Fic. 13.—VIVARIUM FOR NEWTS DURING THEIR BREEDING SEASON. 
for ventilation, and useful for dropping worms and meat through 
into the water for the Newts. The platform surrounding the 
top of the tank should be covered with clean and fine gravel. 
With some suitable plants in the water, and pieces of cork on 
the platform, the Vivarium is complete. I have kept success- 
fully in such an arrangement as this, several different kinds of 
European Newts. The whole thing when well made and cared 
for, is both ornamental and inieresting. In the usual kind of 
