AQUARIA. 



169 



" Yes, and I read the other day that an experiment had 

 been tried by some one, who took some out of their nests and 

 put them into an aquarium with some finely-broken glass of 

 different colours, and the caddis-worms made their cases of 

 this broken coloured glass, and very pretty they looked." 



" Their own bodies must supply the glue which fastens the 

 pieces of gravel or glass together ? " 



" Yes, it does/" 



As the fish were biting very badly the boys left the broad 

 early and went for a stroll. While passing through the village 

 they saw a sale of stock going on in the open space round 

 which the houses were ranged; They stopped to look on. 

 The goods which were being sold were the stock in trade of a 

 chemist, and among them were three large glass bowls, such as 

 are used for aquaria. These were put up by the auctioneer in 

 one lot. but there was no bid for them. They were articles not 

 in request in that rural district. 



PUPA-CASE, LAKVA, AND FLY OF CADDIS-WOKM. 



" Will no one make me a bid ? Everything is to be sold 

 ithout reservation/' cried the auctioneer. 



" Five shillings," said Frank. 



" Going at five shillings ! going ! going ! gone !" and the 

 )t was knocked down to Frank. 



What are you going to do with them ? " asked Jimmy. 



" Make them into aquaria, of course. Don't you see they 

 re just the thing. The idea came into my head as soon as I 

 iw them." 



Then we can put some water insects in," said Dick. 



The glass reservoirs were placed on a shelf in the boat-house, 

 id the next morning before breakfast they were fitted up. 



icy got a quantity of fine gravej. and sand, and thoroughly 



