Author Affiliations +
Brenda B. Honeycutt,* Benjamin A. Pierce**
*Brenda B. Honeycutt is Adjunct Professor of Biology at Armstrong Atlantic State University, Savannah, Georgia 31419
**Benjamin A. Pierce is Professor and Lillian Nelson Pratt Chair in the Department of Biology, Southwestern University, Georgetown, TX 78626; e-mail: PierceB@southwestern.edu.