1. Hastings Reservation and Museum of Vertebrate Zoology, University of California-Berkeley, 38601 E. Carmel Valley Rd., Carmel Valley, CA 93924, wicker@uclink4.berkeley.edu
2. Hastings Reservation and Museum of Vertebrate Zoology, University of California-Berkeley, 38601 E. Carmel Valley Rd., Carmel Valley, CA 93924, wicker@uclink4.berkeley.edu. Current address: USGS, Alaska Biological Sciences Center, Glacier Bay Field Station, P. O. Box 140, Gustavus, AK 99826.
3. Hastings Reservation and Museum of Vertebrate Zoology, University of California-Berkeley, 38601 E. Carmel Valley Rd., Carmel Valley, CA 93924, wicker@uclink4.berkeley.edu. Current address: Department of Biology, Davidson College, Davidson, NC 28036.