Inside a moment’s time, the exoskeleton behind the caterpillar’s head splits apart. With undulating wave-like contractions the developing green chrysalis is revealed as the exoskeleton shrivels. With rhythmical repetitious revolutions, twirling first left, then right, and back again, he throws off his last striped suit. More gyrating rotations and he fastens himself securely to the pad of silk with his newly formed cremaster.