chrys·a·lis (krs-ls)
n. pl. chrys·a·lis·es or chry·sal·i·des (kr-sl-dz)
A pupa, especially of a moth or butterfly, enclosed in a firm case or cocoon.
A protected stage of development.

http://www.dictionary.com/cgi-bin/dict.pl?term=chrysalis

Well, Stales, the spelling is a bit tricky. Between my beating at the wind and yours, we're got the bugger pinned down!