The philosophy of biology, by James Johnstone 61663 [Link: http://www.gutenberg.org/6/1/6/6/61663 ] [Files: ; 61663-0.txt; 61663-h.htm] Thanks to Thiers Halliwell, Richard Hulse, Bryan Ness and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Regards, Al