The Factors of Organic Evolution, by Herbert Spencer 52801 [Link: http://www.gutenberg.org/5/2/8/0/52801 ] [Files: ; 52801-0.txt; 52801-h.htm]
Thanks to Richard Tonsing, Adrian Mastronardi and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) Regards, Al
