00587cam a2200181 4500 100363598 TxAuBib 20070420120000.0 111215s2011||||||||||||||||||||||||eng|u 38308 Project Gutenberg PGUSA eng TxAuBib Burkett, Ray D. Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) [Gutenberg] / by Ray D. Burkett. Project Gutenberg, 2011. Project Gutenberg. Freely available. Electronic text. http://www.gutenberg.org/license Rights