Physiology, by M. Foster                                                 53347   [Link: http://www.gutenberg.org/5/3/3/4/53347 ]   [Files: 53347-0.txt; 53347-h.htm] Thanks to Chuck Greif, deaurider and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Chuck