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314 MIXED ANT-HILL 
By the fourth day, the whole of the ants 
appeared to know the road, and had 
ceased to carry each other. But as I ob- 
served many re-enter the bag, I was 
fearful they might take the whim of fix- 
ing themselves there : I, therefore, oblig- 
ed them to return into the ruche. With 
this view, I separated the bag from the 
glazed canal, and scattered gently all the 
earth it contained upon the floor near 
the artificial ant-hill. I constructed all 
around a. brick wall, and reduced be- 
tween my fingers the several clods; so 
that the ants could not conceal them- 
selves. I then re-fixed one end of the 
glazed canal to the door of the ruche, 
placing the other end on the ground; 
forming an inclined plane, in such a way 
that the ants could go out and find their 
companions roving in the enclosure. 
The Ash-coloured Ants actually de- 
scended by this passage, and immediately 
brought back into their new abode the 
stragglers. They looked for them in 
