The
silk-worm is the weaver of the mulberry tree. It is, in face native of china.
But, today, it is found in many countries of the world. It comes out of an egg
in the form of a caterpillar. These caterpillars are about three quarters of an
inch in length. They have sixteen feet and fourteen eyes each. They crawl about
like worms, and feed on the leaves of the plants. Before they are fully grown
up, their skins, like the slough of a snake, come off four times. They change
into small white moths. After that, the mouth stops eating and shuts itself up
in a covering, which it makes for itself out of its own body. This covering is
called a cacoon. There it lies asleep for weeks. But, at last, it breaks this
prison open and comes out, as a butterfly or a moth having wings but the
breeders kill them, before they come out, by putting the cocoons in boiling
water. They do so in order to save the cocoons from being spoilt. Then they
spin these into silk-thread; and this silk-thread is woven into silk cloth.
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