Science Primers, Introductory, by Thomas Huxley 60289 [Link: http://www.gutenberg.org/6/0/2/8/60289 ] [Files: 60289-0.txt; 60289-h.htm] Thanks to Richard Tonsing, WebRover, Zachary Clark, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) David