Search for the Giant Amazon Leech French Guyana; December 28, 2001 - January 8, 2002. Mark E. Siddall and Susan L. Perkins Examining the coevolution of blood feeding leeches and their bacterial endosymbionts.

Supported by... The National Science Foundation The Niarchos Foundation The Lewis and Dorothy Cullman Program in Molecular Systematic Studies The Ambrose Monell Foundation