00617cam a2200193 4500 91756604 TxAuBib 20061207120000.0 100308s2010||||||||||||||||||||||||eng|u 31558 Project Gutenberg PGUSA eng TxAuBib Darwin, Charles. A Monograph on the Sub-class Cirripedia With Figures of all the Species [Gutenberg] / by Charles, 1809-1882 Darwin. Project Gutenberg, 2010. Project Gutenberg. Freely available. Electronic text. http://www.gutenberg.org/license Rights TXTLL