He will then ask them how leather is made, and give them information which he has himself previously received from the teacher as to the mode of tanning leather, and the various processes which it goes through.

Indeed, there is no end to the varied information which children may thus receive from simple natural objects.

At first they will have no idea of this mode of exercising the thinking powers.

But the teacher must encourage them in it, and they will very speedily get fond of it, and be able to give an answer immediately.

It is very pleasing to witness this.