1. L.E. Rucker, C.D. Jacobsen West Virginia University, School of Natural Resources, 1145 Evansdale Drive, Morgantown, West Virginia 26506
2. D.J. Brown West Virginia University, School of Natural Resources, 1145 Evansdale Drive, Morgantown, West Virginia 26506U.S. Forest Service, Northern Research Station, 459 Nursery Bottom Road, Parsons, West Virginia 26287
3. Present address of C.D. Jacobsen: North Carolina Wildlife Resources Commission, 1701 Mail Services Center, Raleigh, North Carolina 27699
4. K.R. Messenger Nanjing Forestry University, College of Biology and the Environment, 159 Longpan Road, Nanjing, Jiangsu, China 210027
5. T.K. Pauley Marshall University, Department of Biological Sciences, 400 Hal Greer Boulevard, Huntington, West Virginia 25755