What is paralell structure of chapter 7 of the scarlet letter?

In this chapter we see the paralell of the Scarlet Letter through Pearl. Pearl is seen both as full of life and the symbol of evil. "The child's whole appearance ... was the scarlet letter in another form; the scarlet letter endowed with life."At the same time Pearl is consistently referred to as a little "witch" or "elf-child" or "devil-child" because in all appearances, she was born without a father