youngsters are packed close together, side by side, with their heads
towards the mouth of the satchel.

As soon as one hatches it pushes open the side of the case and creeps
out. Then the case springs together again to protect the rest of the
brood.

They are funny fellows when they first come out, little and
white-looking. But they eat and grow of course, and shed their skins,
and after each moult they become darker in color.

Now, do look again at this cockroach I have taken such pains to catch
for you and put into the tumbler.

I think even May will own that it has a cunning little head.

See it turn its head around to look at us.

After all, the cockroach is a knowing little fellow.

This one is hungry; it has had nothing to eat for some time. We will
give it this crumb of cake.

Be careful, or it will get away; it can run very fast, and it is very
quick, you see, in all its motions.

Ah, it is examining the crumb with the tips of its long antennæ.

See how daintily it touches the crumb.