The Nature of Animal Light, by E. Newton Harvey 34450 [Link: http://www.gutenberg.org/3/4/4/5/34450 ] [Files: 34450.txt; 34450-8.txt; 34450-0.txt; 34450-h.htm] Thanks to Simon Gardner, Bryan Ness and the Online Distributed Proofreading Team at http://www.pgdp.net (This book was produced from scanned images of public domain material from the Google Print project.) Chuck