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The Little Caddice Flies: Mollie

The larva does not come entirely out, you see, but pulls its house along with it, and when it is frightened it pops back into its little stone case. Mollie says it reminds her of a hermit crab.

A hermit crab, you know, lives on the seashore and takes possession of an empty snail shell for a house. It comes partly out dragging its house with it, but if you disturb it, it draws back, sometimes quite out of sight.

This little larva lives in a house, too, but it is a house of its own making.

It is the larva of the caddice fly, or case fly.

Let us put one of these little sand cases in the saucer here.