What would you find inside a cocoon?

One would imagine that, since the insect is undergoing metamorphosis, one would find plenty of juices and guts. This is because the insect's DNA is recreating the bug. Depending on how far the bug is into the process you can find several things.

1. Entering the stage: The caterpillar.
2. Halfway: May find just a pocket of "guts", and a few limbs.
3. Near completion: May find lots of limbs; perhaps a wing.
4. Ready to hatch: Outside of the shell will be extremely thin and clear.