diameter into which particles are drawn by first closing one end with the finger, or a flexible rubber 

 tube used as a siphon. The siphon will be useful whenever it is desired to draw down the water. 



In the limited quarters of the ordinary house aquarium, goldfish grow but little and may remain 

 practically the same size for years. Spawning rarely occurs, and the propagation of goldfish in such 

 a vessel is not to be expected. In the largest practicable home or school aquarium, if one or two 

 pairs of medium size fish are kept and all the conditions are favorable, spawning may take place. As 

 soon as the eggs are observed, they should be put into another aquarium or separated from the fish by 

 a glass or wire mesh screen. The eggs and young are to be cared for as elsewhere described. 



