Of the Forms of Caterpillars.
The Variety and Beauty which present themselves to our Eyes in the Form and Colouring of Caterpillars, are no less remarkable than the Flies themselves, as the Reader will be satisfied by examining the following Plates.
Of the Change of Caterpillars into the Chrysalis State.
When a Caterpillar has fed its appointed Time, and is come to full Maturity, it undergoes a Change, and becomes a Body of a different Form, incrusted with a Shell, and usually called a Chrysalis or Aurelia; the Shell of which is formed underneath the Skin of the Caterpillar, which Skin comes off as soon as the Aurelia becomes perfect.