1. University of Georgia, Savannah River Ecology Laboratory, PO Drawer E, Aiken, SC 29802.
2. Global Wildlife Conservation Center, State University of New York College of Environmental Science and Forestry, 1 Forestry Drive, Syracuse, NY 13210.
3. Lake Erie Islands Conservancy, P.O. Box 461, Put-in-Bay, OH 43456.
4. United States Department of Agriculture, Wildlife Services, National Wildlife Research Center, Florida Field Station, 2820 East University Avenue, Gainesville, FL 32641.
5. United States Department of Agriculture, Wildlife Services, National Wildlife Research Center, Ohio Field Station, 6100 Columbus Avenue, Sandusky, OH 44870.