There are other dots on the segments that are sensitive to touch. Sometimes there are tiny hairs on the antennæ, also sensitive to touch.
The little fellows feel and smell, yes, and oftentimes hear with their antennæ.
Many insects have spots sensitive to sound on the antennæ.
Yes, indeed, May, it is wonderful that such tiny threads as an insect's antennæ should hold so many kinds of sensitive spots.
An insect's antennæ are among the most wonderful things in the world.
And I think a cockroach, in spite of its bad reputation, is a very wonderful little fellow.
What is that, May? Our cockroach is drawing one of its antennæ through its mouth?
Ah, yes, see it clean its antenna, children.
It seems to nibble at it as it draws it through its mouth.
Insects are very careful to keep their antennæ clean.