CHAPTER II. 



maRing aqUaria. 



T appears more difficult to make an aquarium than 

 it really is. Even a tank like Fig. 6, though it 

 is less easy to construct than most of the aquaria 

 mentioned in Chapter I., is not beyond the powers of the 

 ordinary amateur mechanic. Of course it will require some 

 little skill, care, and patience; but when it is properly made 



r~x — \ 



Fig. 10. Iron Block. 

 A, Side View ; B, End View ; C, Standing on its End. 



it will not only be useful as an aquarium, but also, if wished, 

 it can, at some future time, be turned into either a fernery 

 or a vivarium. 



The materials which will be required for its construction are 



