Mechanico-Physiological Theory of Organic Evolution, by Carl Von Nägeli 33514 [Link: http://www.gutenberg.org/3/3/5/1/33514 ] [Files: 33514.txt; 33514-8.txt; 33514-h.htm] Thanks to Bryan Ness and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Many thanks Janet