Research methods in ecology, by Frederic Edward Clements 73420 [Author: Frederic Edward Clements] [Link: https://www.gutenberg.org/ebooks/73420] note: link will be active within two hours of posting. Thanks to Richard Tonsing and The Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al