This study was supported by Macalester College, the New York Zoological
Society, the Minnesota Department of Conservation, the U.S. Bureau of
Sport Fisheries and Wildlife, and the USDA Forest Service. Mr. Wallace
C. Dayton and Miss Elizabeth Dayton, and the Quetico-Superior
Foundation, all of Minneapolis, financed Mech during the preparation of
this paper. We would also like to thank Dr. J. L. Paradiso, Dr. H. L.
Gunderson, and Mr. M. H. Stenlund for reviewing this manuscript.