Keywords: Crotalus molossus molossus.jpg Crotalus_molossus molossus picture taken fom the Image Library ode the US-CDC http //phil cdc gov/Phil/home asp Fotograph Edward J Wozniak 2005 http //phil cdc gov/Phil/faq asp question6 Copyright restrictions; this picture is in the Public Domain PD-USGov Crotalus molossus |