AQUARIA 



395 



and 8 inches wide. Where a larger aquarium is desired, 

 which may be partitioned off with panes of glass to keep 

 a variety of specimens, a good size is 12 (or 15) inches 

 deep, 24 inches long, and 8 (or g) inches wide. As it is 

 often desirable to use this as a terrarium for turtles, frogs, 



Fig. 158. Making an Aquarium 



I, angle tin ; 2, glass ; 3, soldering outfit ; 4, frame in process of construction ; 



5, completed frames. 



toads, or plants, when floor space is a desideratum, it 

 may be well to make at least one 12 inches wide. For 

 individual pupils, or even for school use, it is surprising 

 how many interesting studies may be carried on with 

 smaller aquaria, made from waste negatives 8 X 10, 7 X 9, 

 or even 5x7, having them 4 or 5 inches wide. In fact, 



