There! it has succeeded in making the poor ant slip; down it goes, and now the ant lion has seized it and dragged it down under the ground.

It is easy to find these pit-falls of the ant lion in sand banks in the summer-time.

Yes, May, the ant lions eat many ants, and they moult and grow, and, finally, they, too, make a little cocoon about themselves.

Yes, the little silken room they weave we call a cocoon, but the ant lions make theirs of silk and sand.

Within the cocoon they become motionless pupæ, and finally appear as silver-winged little creatures that bear no resemblance to the large-jawed, ever hungry, ant lion.

May says she thinks the Neuroptera differ from all the other orders in the way the larvæ transform.

That is true, May, they do.

In no other order that we have studied do the insects go into the pupal state to undergo the final transformation.

Who remembers what the young of insects that undergo an incomplete metamorphosis are sometimes called?