THE RING SNAKE. 37 



with the lid of perforated zinc at the top. Let there be plenty of 

 sand or gravel on the floor of it, some moss, which should be 

 frequently renewed, and a good large pan of water, which should 

 be filled afresh every day. In addition to these little comforts, 

 and to enable your pets to take exercise, a small growing shrub in 

 a pot will encourage them to climb, and to enable you to watch 

 their movements and their various gymnastics. 



