Little Masterpieces of Science: Health and Healing, by Various 47343 [Editor: George Iles] [Link: http://www.gutenberg.org/4/7/3/4/47343 ] [Files: 47343-8.txt; 47343-h.htm] Thanks to Sigal Alon, Marcia Brooks, Fox in the Stars and the Online Distributed Proofreading Team at http://www.pgdp.net David