Climatic Changes, by Ellsworth Huntington and Stephen Sargent Visher 37855 [Subtitle: Their Nature and Causes] [Link: http://www.gutenberg.org/3/7/8/5/37855 ] [Files: 37855.txt; 37855-8.txt; 37855-h.htm] Thanks to Robin Monks, Wayne Hammond and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) Many thanks Janet