6 Fresh Water Aquarium 



frame, into which plate glass is fitted and 

 fastened with a waterproof cement. An ob- 

 long is the best shape, as it presents a clear 

 view from every point. A substantial metal 

 frame securely fastened to a strong slate or 



Fig. 4. Metal and glass aquarium with marble bottom. 



marble bottom, with good heavy plate glass 

 well fitted into the frame for the sides will 

 make as nearly perfect an aquarium as can 

 be desired. It is of the greatest advantage 

 to have the metal part tinned, as this will 

 make the frame practically indestructible, 



