The Subterranean World, by George Hartwig 52466 [Link: http://www.gutenberg.org/5/2/4/6/52466 ] [Files: 52466-0.txt; 52466-h.htm] Thanks to KD Weeks, Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) David