1. Aquatic Parasitology Laboratory, School of Fisheries, Aquaculture, and Aquatic Sciences, College of Agriculture, Auburn University, 203 Swingle Hall, Auburn, Alabama 36849.
2. Warm Springs Fish Technology Center, U.S. Fish and Wildlife Service, Auburn, Alabama 36849.
3. College of Environmental Science and Forestry, State University of New York (SUNY–ESF), 1 Forestry Drive, Syracuse, New York 13210.