The Natural History of Clay, by Alfred B. Searle 43297 [Link: http://www.gutenberg.org/4/3/2/9/43297 ] [Files: 43297.txt; 43297-8.txt; 43297-h.htm] Thanks to Chris Curnow, Tom Cosmas and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al