38 FRESH-WATER AQUARIA. 



after the fashion in which goldfish often present 

 themselves to our notice in the ordinary globes. For 

 a few pond snails and a plant of Myriophyllum, &c., 

 as " stock," an inverted bell-glass with a wooden base, 

 such as is shown in Fig. 3, may 

 be used. It should be remem- 

 bered, however, that only a very 

 few objects can be thus accom- 

 modated ; but if the owner have 

 self-denial enough to forego the 

 temptation of over-stocking the 

 glass, such an aquarium may be 

 healthily kept, and will even form 



a very pretty and lively little 

 " Stock" Glass. 



ornament to a room. Again, a 



darkened bell-glass may be used as part of a mote ela- 

 borate attempt (Fig. 4), in which, by means of an ordi- 

 nary cheap wire stand, it may occupy the centre and 

 be surrounded with the ordinary flowering plants with 

 which we are in the habit of decorating our rooms, 

 A glass sheet protects the surface of the water in the 

 aquarium from dust. The late Dr. Lankester, who 

 was one of the best and earliest writers upon aquaria, 

 showed in his ' Aquavivarium ' that such an arrange- 

 ment as this might be very easily and cheaply car- 

 ried out. 



Another inexpensive tank, which answers well for 

 window purposes, providing the sides and back are 

 made of opaque material and not of glass, is shown 

 in Fig. 5.' The top may be fashioned of wood or zinc 



