Animalculæ in Drop of Water,
as seen under the Microscope.
Those who keep aquaria in an intelligent manner and study the habits of the creatures they imprison, will find it both interesting work, and a never-failing source of amusement. It is very little trouble. When the water is put in, and the plants begin to grow, the water need not be changed. The oxygen produced by the plants will keep the water pure, and will supply it with air.
Fresh-water Aquarium.
The green confervoid growth which rapidly forms on the sides of the aquarium must not be all wiped off, for it assists greatly in keeping the water pure and healthy. Tie a piece of sponge to a stick, and with this you can wipe it off from that side where it obstructs the view, without disturbing the rest of the aquarium. If you have no cover, and dust accumulates on the surface of the water, it may easily be removed by means of a piece of paper laid on the surface of the water for a few minutes. The dust will adhere to this, and be taken away with it when it is removed. The confervoid growth is best kept down by the common water-snail, several of which should be kept in the aquarium.
You must of course feed the fish occasionally with worms, insects, and bread; but give them very little at a time, or you will foul the water and render it muddy, and the fish will sicken and die. Keep these few hints in mind, and you will have no trouble in managing your aquarium.
