The inner changes are already at work; liquids are solidifying; albuminous secretions are bringing order out of chaos; but so far no outward sign betrays what is happening in the mysterious laboratory of the organism.

All seems inert and lifeless.
In the meantime the posterior limbs disengage themselves.

The great haunches become visible, streaked on the inner faces with a pale rose, which rapidly turns to a vivid crimson.

Emergence is easy, the thick and muscular upper portion of the haunch preparing the way for the narrower part of the limb.
It is otherwise with the shank.

This, in the adult insect, is armed along its whole length by a double series of stiff, steely spines.
Moreover, the lower extremity is terminated by four strong spurs.