CHAPTER III. 



THE INHABITANTS OF THE 

 AQUARIUM. 



HILE there may be a very limited 

 'number of amateur aquarists who 

 : make it their object to fill their aqua- 

 rium with members of the vegetable king- 

 dom only, the great majority find most in- 

 teresting the combination of vegetable and 

 animal life, or even the latter only. The 

 great charm of the aquarium is that it en- 

 ables us to observe the varied animal life 

 of rivers, ponds and ditches, — their living, 

 mating and propagating, and their wonder- 

 ful metamorphosis. 



FISHES. 



Of all the different groups of the animal 

 kingdom represented in our aquariums, that 

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