22 



HALF AN HOUR WITH PREPARATIONS. 



soon make you stands for them to rest on. The 

 following will give you a good idea of what we 

 mean. You will also require a siphon for drawing 



Fie. 1. 



Fig. 4. 



Fig. 2. 



off the water, and this you can make 

 for yourself by bending a bit of 

 tubing, Fig. 4. By withdrawing the- 

 water in this way, you do not irri- 

 tate or injure the creatures you have 

 placed in the glasses. The latter 

 come in admirably, as temporary 

 aquaria, and in them you can drop 

 anything curious you may have 

 come across ; and ifi a day or so you 

 will have the pleasure of seeing it 

 conduct itself as if you were not by 

 watching. It is only by observing 



